CN116138908A - Dental implant abutment modeling method and dental implant abutment - Google Patents
Dental implant abutment modeling method and dental implant abutment Download PDFInfo
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Abstract
The invention provides a dental implant abutment modeling method, which comprises the following steps: step 1: acquiring oral cavity information of a dental implant user and preset personalized abutment customization standard information; step 2: based on the personalized base station customization standard information, carrying out personalized base station customization necessity analysis according to the oral cavity information to obtain an analysis result; step 3: based on the analysis result, determining whether personalized base station customization is needed, and if so, carrying out corresponding personalized base station modeling. According to the modeling method of the dental implant abutment, unified personalized abutment customization standard information is introduced, corresponding personalized abutment modeling is performed according to the necessity analysis result of personalized abutment customization necessity analysis, suitability of personalized abutment modeling is improved, in addition, full-mouth personalized dental implant is not performed blindly on a dental implant user, and dental implant cost of the dental implant user is reduced.
Description
Technical Field
The invention relates to the technical field of dental implants, in particular to a dental implant abutment modeling method.
Background
Dental implants are commonly used to connect prosthetic sites with implants, existing dental implants are largely divided into finished and personalized implants. The specification of the finished product base station is fixed, and when the oral cavity condition of a user is complex (for example, the angle is too askew, the gum spacing is insufficient, the planting position is too close, etc.), the problem of low adaptation degree is easy to occur; the personalized abutment is customized according to the oral cavity information of the dental implant user, and the adaptation degree is high.
The invention patent with the application number of CN201510656305.2 discloses a method and a system for designing a personalized healing abutment, wherein the method comprises the following steps: establishing an oral cavity 3D model by collecting data of teeth and gums on each tooth position of a plurality of patients, and storing the oral cavity 3D model in a database; according to the oral cavity 3D model in the database, the shape and the size of the tooth root and the tooth neck on each tooth position and the shape and the size of the joint surface of the tooth neck and the gum are obtained; the shape and size of the bottom of the healing abutment corresponding to each tooth position are determined according to the shape and size of the tooth root and the tooth neck on each tooth position and the shape and size of the joint surface of the tooth neck and the gum, so that the shape and size of the bottom of the healing abutment are the same as the shape and size of the joint surface of the tooth neck and the gum. Through healing abutment for the gum forms the tissue cuff and before tooth extraction the same, can cooperate well with the prosthetic that later stage was put into, makes abutment and prosthetic excessively smooth, can not appear black triangle and abutment atress problem.
However, the above-mentioned prior art does not analyze the necessity of customizing the personalized healing abutment for the patient during the patient consultation, the degree of adaptation of the finished abutment is low but the cost is low, the degree of adaptation of the personalized abutment is higher than the finished abutment but the price is also higher, the planting conditions at the position where the user needs to plant the teeth are different, and it is not necessarily necessary to design the personalized abutment everywhere, and the blind and full-mouth personalized design easily results in unsuitable abutment type selection, and at the same time, the user costs more and the tooth implantation cost is higher.
In view of this, a solution is needed.
Disclosure of Invention
The invention aims at providing a dental implant abutment modeling method, which introduces unified personalized abutment customization standard information, carries out corresponding personalized abutment modeling according to a necessity analysis result of personalized abutment customization necessity analysis, improves suitability of personalized abutment modeling, and reduces dental implant cost of a dental implant user instead of blindly carrying out full-mouth personalized dental implant on the dental implant user.
The embodiment of the invention provides a modeling method of an implant abutment, which comprises the following steps:
step 1: acquiring oral cavity information of a dental implant user and preset personalized abutment customization standard information;
step 2: based on the personalized base station customization standard information, carrying out personalized base station customization necessity analysis according to the oral cavity information to obtain an analysis result;
step 3: based on the analysis result, determining whether personalized base station customization is needed, and if so, carrying out corresponding personalized base station modeling.
Preferably, the acquiring module acquires oral information of the dental implant user, including:
acquiring an oral cavity image of an oral cavity of a dental implant user, which is shot by a preset shooting device, and taking the oral cavity image as the oral cavity information;
and/or the number of the groups of groups,
and acquiring scanning data of a preset scanner for scanning the oral cavity of the dental implant user, and taking the scanning data as the oral cavity information.
Preferably, the step 2: based on the personalized abutment customization standard information, performing personalized abutment customization necessity analysis according to the oral cavity information to obtain an analysis result, wherein the method comprises the following steps of:
constructing a simulated oral model based on the oral information;
determining a simulated dental implant position in the simulated oral model corresponding to a desired dental implant position of the dental implant user;
acquiring a preset finished product base station library;
constructing a simulation base model corresponding to each finished base in the finished base library;
determining the simulation base station model to be simulated planting, and taking the simulation base station model as a current simulation base station model;
sequentially simulating and planting the current simulation abutment model at the simulated tooth implantation position, and judging whether the current simulation abutment model meets the planting standard after each simulation planting is completed;
if the current simulation base station model does not meet the planting standard, personalized base station customization is necessary.
Preferably, the determining whether the current simulation base station model reaches a planting standard includes:
acquiring a first direction of a long axis of the current simulation base station model;
drawing a first straight line in which the first direction is located in the simulated oral cavity model;
determining a second direction of bite stress of the simulated dental implant position in the current simulated abutment model;
drawing a second straight line in which the second direction is located in the simulated oral cavity model;
calculating a linear included angle between the first line and the second line;
determining a neck plane of the current simulation base model;
simulating tooth occlusion in the simulated tooth model, and determining a jaw occlusal surface corresponding to the current simulated abutment model;
obtaining the vertical distance from the neck plane to the corresponding jaw occlusal surface;
if the included angle is smaller than or equal to a preset included angle threshold value and the vertical distance is larger than or equal to a preset vertical distance threshold value, the current simulation base station model reaches a planting standard, otherwise, the current simulation base station model does not reach the planting standard.
Preferably, the step 3: if yes, carrying out corresponding personalized base modeling, including:
if the analysis result is that personalized abutment customization is needed, taking the oral information corresponding to the dental implant user as target oral information;
determining a reference tooth adjacent to the personalized implant position when the teeth of the implant user are naturally closed based on the target oral cavity information;
acquiring reference tooth information of the reference tooth;
determining artificial crown information of the implant tooth based on the reference tooth information;
acquiring gingival information of the personalized tooth implantation position;
determining first design parameter information of a first connection portion of a personalized abutment based on the artificial crown information and the gingival information;
determining bone information for the personalized implant location of the implant user based on the oral information;
determining artificial root information of the planted teeth based on the bone information;
determining second design parameter information of a second connection portion of the personalized abutment based on the artificial tooth root information and the gingival information;
and carrying out modeling on the personalized base station based on the first design parameter information and the second design parameter information.
Preferably, the determining artificial crown information of the planted teeth based on the reference tooth information includes:
constructing a pre-repair tooth three-dimensional model based on the reference tooth information;
determining a local missing space in the pre-repair tooth three-dimensional model corresponding to the personalized dental implant position;
extracting a first space feature value set of the local missing space based on a preset first feature extraction template;
matching the first space characteristic value set with a second space characteristic value set in a preset tooth filling scheme library to obtain a matching index, and determining a tooth filling scheme corresponding to the second space characteristic value set with the largest matching index;
and performing simulated dental filling based on a dental filling scheme, obtaining simulated dental crown information of the dental filling teeth of the simulated dental filling after the simulated dental filling is completed, and taking the simulated dental crown information as the artificial dental crown information.
Preferably, the modeling of the corresponding personalized base station based on the first design parameter information and the second design parameter information includes:
integrating the first design parameter information and the second design parameter information and taking the first design parameter information and the second design parameter information as three-dimensional parameter information;
extracting three-dimensional parameter characteristic values in the three-dimensional parameter information based on a preset second characteristic extraction template;
acquiring the three-dimensional parameter type of the three-dimensional parameter characteristic value;
and constructing a template based on a preset three-dimensional model, and carrying out corresponding personalized base modeling according to the three-dimensional data characteristic value and the three-dimensional data type corresponding to the three-dimensional data characteristic value.
Preferably, a dental implant abutment modeling method further includes:
obtaining a personalized base station model with modeling completed;
according to the personalized base station model, controlling preset processing equipment to manufacture a temporary base station;
notifying medical staff to plant the temporary abutment for the corresponding dental implant user through a preset staff node;
after planting is completed, obtaining feedback information corresponding to the tooth implantation user in a preset time period;
analyzing the feedback information and judging whether abnormal feedback exists or not;
and if no abnormal feedback exists, manufacturing a delivery base station based on the personalized base station model.
Preferably, the obtaining feedback information of the temporary abutment corresponding to the dental implant user within the preset time period includes:
acquiring gum pictures of a preset range around the temporary abutment in the time period of the dental implant user for planting the temporary abutment;
and/or the number of the groups of groups,
and acquiring comfort evaluation information of the dental implant user for planting the temporary abutment.
The dental implant abutment provided by the embodiment of the invention is applied to the method.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a schematic diagram of a modeling method of an implant abutment according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
The embodiment of the invention provides a dental implant abutment modeling method, as shown in fig. 1, comprising the following steps:
step 1: acquiring oral cavity information of a dental implant user and preset personalized abutment customization standard information;
step 2: based on the personalized base station customization standard information, carrying out personalized base station customization necessity analysis according to the oral cavity information to obtain an analysis result;
step 3: based on the analysis result, determining whether personalized base station customization is needed, and if so, carrying out corresponding personalized base station modeling.
The working principle and the beneficial effects of the technical scheme are as follows:
the oral information is, for example: intra-oral pictures of the dental implant user, again for example: CT scan pictures of the oral cavity of the dental implant user, and preset personalized abutment customization standard information is, for example: when the finished abutment is used by the dental implant user, the reserved space at the upper part of the finished abutment needs to be enough for installing the dental crown. Generally, the standard of the uniform standard dental implant abutment is single, however, the oral conditions of the human body are different, when the user prepares to implant teeth, whether the existing dental implant abutment with fixed standard can adapt to the oral conditions of the user needs to be judged according to the oral conditions, and if not, the personalized abutment needs to be customized. Therefore, based on the personalized abutment customization standard information, personalized abutment customization necessity analysis of the dental implant user is performed according to the oral cavity information of the dental implant user, and an analysis result is obtained (for example, personalized abutment customization is required). If the analysis result is that the personalized abutment is needed to be customized, personalized abutment modeling is carried out, modeling parameters are determined according to the oral cavity information of the dental implant user when the personalized abutment modeling is carried out, a personalized abutment model is built based on the modeling parameters, and the processing equipment is used for manufacturing the personalized abutment according to the abutment model and is applied to clinic.
According to the method, unified personalized abutment customization standard information is introduced, corresponding personalized abutment modeling is performed according to the necessity analysis result of personalized abutment customization necessity analysis, suitability of personalized abutment modeling is improved, in addition, full-mouth personalized tooth implantation is not performed on a tooth implantation user blindly, and tooth implantation cost of the tooth implantation user is reduced.
In one embodiment, the obtaining module obtains oral information of the dental implant user, including:
acquiring an oral cavity image of an oral cavity of a dental implant user, which is shot by a preset shooting device, and taking the oral cavity image as the oral cavity information;
and/or the number of the groups of groups,
and acquiring scanning data of a preset scanner for scanning the oral cavity of the dental implant user, and taking the scanning data as the oral cavity information.
The working principle and the beneficial effects of the technical scheme are as follows:
there are two ways to obtain the dental information of the dental implant user. First kind: shooting an oral cavity image of an oral cavity of a dental implant user through a preset shooting device; the preset photographing device is, for example: the oral cavity detector is generally obtained when a medical staff holds the photographing device to conduct oral cavity examination when the photographing device photographs oral cavity images of the oral cavity of the dental implant user. Second kind: the method comprises the steps of acquiring scanning data (such as CT scanning images) of an oral cavity of a dental implant user by a preset scanner (such as a CT scanning device), wherein the scanner can acquire bone information of the user.
According to the method, the oral cavity information is acquired in two modes, and the comprehensiveness of the acquisition of the oral cavity information is improved.
In one embodiment, the step 2: based on the personalized abutment customization standard information, performing personalized abutment customization necessity analysis according to the oral cavity information to obtain an analysis result, wherein the method comprises the following steps of:
constructing a simulated oral model based on the oral information;
determining a simulated dental implant position in the simulated oral model corresponding to a desired dental implant position of the dental implant user;
acquiring a preset finished product base station library;
constructing a simulation base model corresponding to each finished base in the finished base library;
determining the simulation base station model to be simulated planting, and taking the simulation base station model as a current simulation base station model;
sequentially simulating and planting the current simulation abutment model at the simulated tooth implantation position, and judging whether the current simulation abutment model meets the planting standard after each simulation planting is completed;
if the current simulation base station model does not meet the planting standard, personalized base station customization is necessary.
The working principle and the beneficial effects of the technical scheme are as follows:
constructing a simulated oral model based on the oral information; the simulated oral cavity model is a local simulated model at the position where the tooth is to be implanted, and is realized based on a three-dimensional model construction technology, which belongs to the prior art and is not described in detail. A simulated dental implant location in the simulated oral model is determined at which a simulated dental implant is desired. The preset finished product base station stores base station parameter information of the existing finished product base station. According to the abutment parameter information, a simulation abutment model corresponding to each finished abutment is constructed, a simulation abutment model to be simulated planting is determined to be a current simulation abutment model, the current simulation abutment model is sequentially simulated to be planted at a simulated tooth implantation position, during simulated planting, tooth implantation logic of artificial teeth in a plurality of artificial planting records can be learned, and then simulated tooth implantation is performed according to abutment parameter information corresponding to a simulation base model and oral cavity information corresponding to the simulated tooth implantation position. After each simulated tooth implantation is completed, judging whether the current simulated abutment model reaches the implantation standard (for example, whether a reserved space at the upper part of the abutment is enough or not for installing a dental crown at a later stage), if the current simulated abutment does not meet the implantation standard, indicating that the finished abutment cannot meet the implantation requirement of a user, and carrying out corresponding personalized abutment customization.
According to the method, the finished product base is introduced, the finished product base is simulated to be planted in the constructed simulated oral cavity model, whether the existing finished product base reaches the planting standard is judged according to the planting result of simulated planting, if the planting standard is not reached, the personalized base customization is carried out on the user, the personalized base customization of the whole mouth is not carried out blindly on the user, the user cost is reduced, and the rationality of the personalized customization determination process is also improved.
In one embodiment, the determining whether the current simulated base station model meets a planting criterion includes:
acquiring a first direction of a long axis of the current simulation base station model;
drawing a first straight line in which the first direction is located in the simulated oral cavity model;
determining a second direction of bite stress of the simulated dental implant position in the current simulated abutment model;
drawing a second straight line in which the second direction is located in the simulated oral cavity model;
calculating a linear included angle between the first line and the second line;
determining a neck plane of the current simulation base model;
simulating tooth occlusion in the simulated tooth model, and determining a jaw occlusal surface corresponding to the current simulated abutment model;
obtaining the vertical distance from the neck plane to the corresponding jaw occlusal surface;
if the included angle is smaller than or equal to a preset included angle threshold value and the vertical distance is larger than or equal to a preset vertical distance threshold value, the current simulation base station model reaches a planting standard, otherwise, the current simulation base station model does not reach the planting standard.
The working principle and the beneficial effects of the technical scheme are as follows:
the first direction of the long axis of the simulation base model is: the direction of the axis parallel to the crown installation direction in the abutment model was simulated. The first straight line is: the straight line of the first direction in the oral cavity model is simulated. Determining a second direction of the occlusion stress of the simulated dental implant position in the current simulated abutment model, wherein the occlusion stress is as follows: when the simulated oral cavity model is closed, the simulated tooth implantation position is subjected to the reaction force of the biting force generated by the simulated teeth in other simulated oral cavity models. And drawing a second straight line in a second direction of the occlusal stress in the simulated oral cavity model according to the occlusal stress. Calculating the linear included angle between the first line and the second line, wherein the larger the linear included angle is, the larger the component force in the direction of generating non-biting force is, the worse the biting capacity of the implant is, and meanwhile, the abrasion of the implant is easier to cause. The neck plane of the current simulation base model is: in the simulated oral cavity model, the plane of the top surface of the base model is currently simulated. The jaw facing occlusal surface is: when the simulated oral cavity is closed, the occlusal surface of the simulated teeth vertically corresponding to the same side of the simulated tooth implantation position is positioned on the plane of the simulated oral cavity model. And calculating the vertical distance between the neck plane and the corresponding jaw occlusal surface (the larger the vertical distance is, the larger the space for installing a subsequent dental crown is), and if the included angle is smaller than or equal to a preset included angle threshold (for example, 15 DEG) and the vertical distance is larger than or equal to a preset vertical distance threshold (for example, 5 mm), enabling the finished product abutment corresponding to the current simulation abutment model to reach the planting standard, and planting.
The included angle between the first direction of the long axis of the simulation base station model and the second direction of the occlusal stress and the vertical distance between the neck plane of the current simulation base station model and the jaw occlusal surface are introduced, so that whether the current simulation base station model can reach the planting standard is judged, and the comprehensiveness and rationality of the planting standard judgment are improved.
In one embodiment, the step 3: if yes, carrying out corresponding personalized base modeling, including:
if the analysis result is that personalized abutment customization is needed, taking the oral information corresponding to the dental implant user as target oral information;
determining a reference tooth adjacent to the personalized implant position when the teeth of the implant user are naturally closed based on the target oral cavity information;
acquiring reference tooth information of the reference tooth;
determining artificial crown information of the implant tooth based on the reference tooth information;
acquiring gingival information of the personalized tooth implantation position;
determining first design parameter information of a first connection portion of a personalized abutment based on the artificial crown information and the gingival information;
determining bone information for the personalized implant location of the implant user based on the oral information;
determining artificial root information of the planted teeth based on the bone information;
determining second design parameter information of a second connection portion of the personalized abutment based on the artificial tooth root information and the gingival information;
and carrying out modeling on the personalized base station based on the first design parameter information and the second design parameter information.
The working principle and the beneficial effects of the technical scheme are as follows:
the target oral cavity information is: there is a need for dental implant user oral information that is personalized to the abutment. The dental implant abutment is used for connecting the artificial dental crown and the artificial dental root in the false tooth, and plays a role in connection and fixation, so that parameters of the dental implant abutment are influenced by the forms of the artificial dental crown and the artificial dental root, and therefore, based on target oral cavity information, reference teeth adjacent to the personalized dental implant position when teeth of a dental implant user are naturally closed are determined, and reference tooth information of the reference teeth is obtained, for example: reference is made to shape information of the teeth. Based on the reference tooth information, artificial crown information of the planted tooth is determined, for example: shape information of the artificial dental crown. The gum information is, for example: shape image of gum. Based on the artificial dental crown information and the gingival information, first design parameter information of a first connection part of the personalized abutment is determined, wherein the first connection part is: the connection portion of the abutment and the artificial dental crown is personalized, and the first design parameter information is, for example: shape parameters of the first connection portion. Bone information is, for example: CT scan image of root bone. Based on the bone information, artificial root information of the planted teeth is determined, for example: shape information of the artificial tooth root. The second connecting part is as follows: and determining parameter information of the second connecting part by the connecting part of the artificial tooth root and the personalized abutment. And determining three-dimensional information of the personalized base station based on the first design parameter information and the second design parameter information, and performing three-dimensional modeling.
According to the method, the first connecting part and the second connecting part of the personalized abutment are introduced, the parameter information of the first connecting part and the parameter information of the second connecting part are respectively determined and modeled based on the artificial dental crown information and the artificial dental root information, and the design accuracy of the personalized abutment is improved.
In one embodiment, the determining artificial crown information of the planted tooth based on the reference tooth information includes:
constructing a pre-repair tooth three-dimensional model based on the reference tooth information;
determining a local missing space in the pre-repair tooth three-dimensional model corresponding to the personalized dental implant position;
extracting a first space feature value set of the local missing space based on a preset first feature extraction template;
matching the first space characteristic value set with a second space characteristic value set in a preset tooth filling scheme library to obtain a matching index, and determining a tooth filling scheme corresponding to the second space characteristic value set with the largest matching index;
and performing simulated dental filling based on a dental filling scheme, obtaining simulated dental crown information of the dental filling teeth of the simulated dental filling after the simulated dental filling is completed, and taking the simulated dental crown information as the artificial dental crown information.
The working principle and the beneficial effects of the technical scheme are as follows:
the pre-repair tooth three-dimensional model is: a personalized implant location and a three-dimensional model of a reference tooth adjacent to the personalized implant location. Determining a local missing space above the pre-repair tooth three-dimensional model corresponding to the personalized implant location, the local missing space being, for example: taking the position corresponding to the personalized tooth implantation position in the three-dimensional model of the pre-repaired tooth as a sphere center and a spherical area with the radius of 2 cm. The preset first feature extraction template is as follows: the template for extracting the space characteristic value is preset, and the space characteristic value is as follows: the feature values used to characterize the spatial information, including but not limited to spatial shape, spatial volume, etc., the first set of spatial feature values are, for example: shape information and volume information in the local missing space, etc. And matching the first space characteristic value set with a second space value set in a preset dental filling scheme library to obtain a matching index (the larger the matching index is, the more available the corresponding dental filling scheme is). Simulated filling is performed based on a filling plan (e.g., a filling tooth model corresponding to the filling plan is constructed on a pre-prosthetic tooth three-dimensional model). And determining crown information corresponding to the tooth filling teeth as artificial crown information.
According to the method, the first characteristic extraction template is introduced, the first space characteristic value set of the local missing space is extracted, and the accuracy of acquiring the first space characteristic value is improved; and a dental filling scheme library is introduced, so that a dental filling scheme corresponding to a second spatial characteristic value set with the largest matching index of the first spatial characteristic value set is determined, and the suitability of the dental filling scheme determination is improved.
In one embodiment, the modeling of the corresponding personalized base station based on the first design parameter information and the second design parameter information includes:
integrating the first design parameter information and the second design parameter information and taking the first design parameter information and the second design parameter information as three-dimensional parameter information;
extracting three-dimensional parameter characteristic values in the three-dimensional parameter information based on a preset second characteristic extraction template;
acquiring the three-dimensional parameter type of the three-dimensional parameter characteristic value;
and constructing a template based on a preset three-dimensional model, and carrying out corresponding personalized base modeling according to the three-dimensional data characteristic value and the three-dimensional data type corresponding to the three-dimensional data characteristic value.
The working principle and the beneficial effects of the technical scheme are as follows:
the preset second feature extraction template is a preset template for extracting three-dimensional parameter feature values, where the three-dimensional parameter feature values are, for example: the modeling coordinates of the base station are personalized. The three-dimensional parameter types are as follows: types of three-dimensional parameter feature values (e.g., X-axis, Y-axis, and Z-axis). The preset three-dimensional model construction template is as follows: and constructing a template of the three-dimensional model according to the three-dimensional parameter information. And according to the three-dimensional parameter information, carrying out personalized base modeling through the three-dimensional model building template.
According to the method, the second feature extraction template is introduced to extract the three-dimensional parameter feature value of the three-dimensional parameter information, so that the accuracy of obtaining the three-dimensional parameter feature value is improved; and a three-dimensional model building template is introduced to perform personalized base modeling, so that the method is more suitable.
In one embodiment, the dental implant abutment modeling method further comprises:
obtaining a personalized base station model with modeling completed;
according to the personalized base station model, controlling preset processing equipment to manufacture a temporary base station;
notifying medical staff corresponding to preset staff nodes to plant the temporary abutment for the corresponding dental implant user;
after planting is completed, obtaining feedback information corresponding to the tooth implantation user in a preset time period;
analyzing the feedback information and judging whether abnormal feedback exists or not;
and if no abnormal feedback exists, manufacturing a delivery base station based on the personalized base station model.
The working principle and the beneficial effects of the technical scheme are as follows:
the personalized abutment model is: and personalizing the three-dimensional model of the base station. The preset processing equipment is controlled to manufacture a temporary base station, and the preset processing equipment is, for example: the temporary abutment mainly plays a role in maintaining gum morphology and facilitating later-stage dental crown inlaying, and meanwhile, the temporary abutment can also play a role in sealing, because the middle of the implant is hollow, if the implant is not sealed, bacteria, food residues and the like can possibly enter, so that local infection is caused. The preset personnel nodes are as follows: and after the temporary base station is manufactured, the communication node of the medical staff sends a manufacturing completion message to the staff node to inform the medical staff of planting the temporary base station for the corresponding tooth implantation user. The preset time period is, for example: and continuously acquiring feedback information (such as tooth discomfort) of the tooth implantation user in which the temporary abutment is planted in a preset time period for 4 months. If there is no abnormal feedback, it is indicated that the corresponding personalized abutment model is appropriate, and a delivery abutment (e.g., permanent abutment) is created that is ultimately delivered to the user. When the delivery base station is manufactured, 3D printing can be performed through the three-dimensional model based on the delivery base station, slicing processing is required to be performed on the three-dimensional model of the personalized base station when the 3D printing is performed, a plurality of three-dimensional slices are obtained, and the slicing processing is performed on the three-dimensional model, so that the principle of the slicing processing is not repeated in the prior art. Determining a two-dimensional image area corresponding to the three-dimensional slice, determining a first printing path of the two-dimensional image area, and performing 3D printing by the 3D printing equipment based on the first printing path until printing is completed; wherein determining a first print path of the two-dimensional image area comprises:
performing spiralable region division on the two-dimensional image region to obtain at least one spiralable region;
determining a path function theta=kw corresponding to paths with equidistant contours in the spiral area, wherein w is a drawing path offset, and k is the number of contour layers of the drawing contour;
and determining a second printing path corresponding to the path function and serving as a first printing path of the two-dimensional image area.
According to the method, the temporary abutment is introduced, feedback information of a tooth implantation user who plants the temporary abutment is obtained to judge whether the delivery abutment is manufactured or not, and the probability of inappropriateness of the delivery abutment is greatly reduced; and a path function is introduced to determine a spiral printing path, so that the continuity of 3D printing is improved, the hard corners smaller than 90 degrees on the printing path are reduced, and the printing quality and the printing efficiency are improved.
In one embodiment, the obtaining feedback information of the temporary abutment corresponding to the dental implant user within a preset period of time includes:
acquiring gum pictures of a preset range around the temporary abutment in the time period of the dental implant user for planting the temporary abutment;
and/or the number of the groups of groups,
and acquiring comfort evaluation information of the dental implant user for planting the temporary abutment.
The working principle and the beneficial effects of the technical scheme are as follows:
there are two ways to obtain feedback information. Firstly, acquiring gum pictures of a preset range of a temporary base station (for example, a sphere with a radius of 1.5cm is taken as a center of the sphere) in the time period; second, comfort assessment information (e.g., discomfort in wearing at xx) of the user of the dental implant at the temporary abutment is obtained.
According to the method, the feedback information of the tooth implantation user of the temporary abutment is acquired in two ways, so that the diversity of the acquisition of the feedback information is improved, and the comprehensiveness of abnormal feedback judgment is further improved.
The embodiment of the invention provides an implant abutment, which is applied to the method described in the embodiment.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. A method of modeling an implant abutment, comprising:
step 1: acquiring oral cavity information of a dental implant user and preset personalized abutment customization standard information;
step 2: based on the personalized base station customization standard information, carrying out personalized base station customization necessity analysis according to the oral cavity information to obtain an analysis result;
step 3: based on the analysis result, determining whether personalized base station customization is needed, and if so, carrying out corresponding personalized base station modeling.
2. The dental implant abutment modeling method of claim 1, wherein the obtaining module obtains oral information of the dental implant user, comprising:
acquiring an oral cavity image of an oral cavity of a dental implant user, which is shot by a preset shooting device, and taking the oral cavity image as the oral cavity information;
and/or the number of the groups of groups,
and acquiring scanning data of a preset scanner for scanning the oral cavity of the dental implant user, and taking the scanning data as the oral cavity information.
3. The method for modeling an implant abutment according to claim 1, wherein said step 2: based on the personalized abutment customization standard information, performing personalized abutment customization necessity analysis according to the oral cavity information to obtain an analysis result, wherein the method comprises the following steps of:
constructing a simulated oral model based on the oral information;
determining a simulated dental implant position in the simulated oral model corresponding to a desired dental implant position of the dental implant user;
acquiring a preset finished product base station library;
constructing a simulation base model corresponding to each finished base in the finished base library;
determining the simulation base station model to be simulated planting, and taking the simulation base station model as a current simulation base station model;
sequentially simulating and planting the current simulation abutment model at the simulated tooth implantation position, and judging whether the current simulation abutment model meets the planting standard after each simulation planting is completed;
if the current simulation base station model does not meet the planting standard, personalized base station customization is necessary.
4. A dental implant abutment modeling method according to claim 3, wherein said determining whether said current simulated abutment model meets an implant standard comprises:
acquiring a first direction of a long axis of the current simulation base station model;
drawing a first straight line in which the first direction is located in the simulated oral cavity model;
determining a second direction of bite stress of the simulated dental implant position in the current simulated abutment model;
drawing a second straight line in which the second direction is located in the simulated oral cavity model;
calculating a linear included angle between the first line and the second line;
determining a neck plane of the current simulation base model;
simulating tooth occlusion in the simulated tooth model, and determining a jaw occlusal surface corresponding to the current simulated abutment model;
obtaining the vertical distance from the neck plane to the corresponding jaw occlusal surface;
if the included angle is smaller than or equal to a preset included angle threshold value and the vertical distance is larger than or equal to a preset vertical distance threshold value, the current simulation base station model reaches a planting standard, otherwise, the current simulation base station model does not reach the planting standard.
5. The method for modeling an implant abutment according to claim 1, wherein said step 3: if yes, carrying out corresponding personalized base modeling, including:
if the analysis result is that personalized abutment customization is needed, taking the oral information corresponding to the dental implant user as target oral information;
determining a reference tooth adjacent to the personalized implant position when the teeth of the implant user are naturally closed based on the target oral cavity information;
acquiring reference tooth information of the reference tooth;
determining artificial crown information of the implant tooth based on the reference tooth information;
acquiring gingival information of the personalized tooth implantation position;
determining first design parameter information of a first connection portion of a personalized abutment based on the artificial crown information and the gingival information;
determining bone information for the personalized implant location of the implant user based on the oral information;
determining artificial root information of the planted teeth based on the bone information;
determining second design parameter information of a second connection portion of the personalized abutment based on the artificial tooth root information and the gingival information;
and carrying out modeling on the personalized base station based on the first design parameter information and the second design parameter information.
6. The dental implant abutment modeling method of claim 5, wherein the determining artificial crown information of the implant teeth based on the reference tooth information comprises:
constructing a pre-repair tooth three-dimensional model based on the reference tooth information;
determining a local missing space in the pre-repair tooth three-dimensional model corresponding to the personalized dental implant position;
extracting a first space feature value set of the local missing space based on a preset first feature extraction template;
matching the first space characteristic value set with a second space characteristic value set in a preset tooth filling scheme library to obtain a matching index, and determining a tooth filling scheme corresponding to the second space characteristic value set with the largest matching index;
and performing simulated dental filling based on a dental filling scheme, obtaining simulated dental crown information of the dental filling teeth of the simulated dental filling after the simulated dental filling is completed, and taking the simulated dental crown information as the artificial dental crown information.
7. The dental implant abutment modeling method of claim 5, wherein said performing a corresponding personalized abutment modeling based on said first design parameter information and said second design parameter information comprises:
integrating the first design parameter information and the second design parameter information and taking the first design parameter information and the second design parameter information as three-dimensional parameter information;
extracting three-dimensional parameter characteristic values in the three-dimensional parameter information based on a preset second characteristic extraction template;
acquiring the three-dimensional parameter type of the three-dimensional parameter characteristic value;
and constructing a template based on a preset three-dimensional model, and carrying out corresponding personalized base modeling according to the three-dimensional data characteristic value and the three-dimensional data type corresponding to the three-dimensional data characteristic value.
8. The dental implant abutment modeling method of claim 1, further comprising:
obtaining a personalized base station model with modeling completed;
according to the personalized base station model, controlling preset processing equipment to manufacture a temporary base station;
notifying medical staff to plant the temporary abutment for the corresponding dental implant user through a preset staff node;
after planting is completed, obtaining feedback information corresponding to the tooth implantation user in a preset time period;
analyzing the feedback information and judging whether abnormal feedback exists or not;
and if no abnormal feedback exists, manufacturing a delivery base station based on the personalized base station model.
9. The method for modeling an implant abutment according to claim 8, said obtaining feedback information of the temporary abutment for the implant user within a preset period of time, comprising:
acquiring gum pictures of a preset range around the temporary abutment in the time period of the dental implant user for planting the temporary abutment;
and/or the number of the groups of groups,
and acquiring comfort evaluation information of the dental implant user for planting the temporary abutment.
10. An implant abutment, characterized by being applied to the method according to claims 1-9.
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