CN214632393U

CN214632393U - Guide accessory

Info

Publication number: CN214632393U
Application number: CN202023295463.5U
Authority: CN
Inventors: 王星星; 吴刚; 姚峻峰
Original assignee: Shanghai Zhengya Dental Technology Co Ltd
Current assignee: Shanghai Zhengya Dental Technology Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-09
Anticipated expiration: 2030-12-30

Abstract

A guide attachment comprising a fixing surface to be fixed to occlusal surfaces of teeth of a posterior maxillary dental area, a guide surface to guide protrusion of a mandible, and a distal support surface connected to and angled from the guide surface and the fixing surface, respectively, the distal support surface extending in a direction of a distal surface thereof to which teeth are fixed, the guide surface being in contact with the teeth of the posterior mandibular dental area. The fixing surface of the guide accessory is fixed with the occlusal surface of the tooth, so that the guide accessory is stably connected with the tooth; the guide surface of the guide accessory can be contacted with teeth in the lower jaw posterior dental area, and when the upper jaw and the lower jaw are contacted, the lower jaw can be guided to extend forwards, so that the relative position relation of the upper jaw and the lower jaw is adjusted; the far support surface of the guide accessory can fix the guide surface and the fixing surface, so that when the upper jaw and the lower jaw are occluded, a sufficient support effect is provided, and the occlusion deformation of the guide accessory in the occlusion process is prevented, and the final correction effect is influenced.

Description

Guide accessory

Technical Field

The utility model belongs to the field of medical equipment, a annex is related to, especially, relate to a guide annex.

Background

In the malocclusion patients of the bone II type, the lower jaw of some patients retreats, the molar is in a distant relation, and in the correcting process, the treatment can be simplified by properly guiding the lower jaw to grow forwards, so that the improvement of the face shape is facilitated. The oblique guide is an correcting device used for guiding the lower jaw forwards, the traditional oblique guide has two forms of moving and fixing, the moving oblique guide is beneficial to cleaning, but depending on the compliance of a patient, the correcting effect is difficult to control. The fixed oblique guide is independent of a patient, but has difficulty in cleaning and is easy to cause tooth demineralization; and the structure of the device is complex, the wearing comfort of the patient is poor, and the appearance is affected. The existing method for correcting deep-covered cases has the problems that a Twin-block corrector can guide the mandible forward besides oblique guidance, the comfort is poor, the compliance requirement is high, and the like. The technology is more and more selected by the patient along with the development of technology, and the use of stealthy ware of correcting is through the parcel to the tooth, carries out the removal of tooth through elastic shell form macromolecular material, but when adjusting relative position relation between the lower jaw, usually need provide modes such as power are corrected in great jaw position adjustment with the help of other supplementary device of correcting, if pull through planting anchorage, but above-mentioned mode can cause certain damage to patient's oral cavity. For reducing the formation of intraoral injury in the existing mode, set up the vacuole structure on correcting the ware and make the lower jaw of upper and lower jaw interaction guide protrusion, but above-mentioned mode is more suitable for the darker patient of spee curve, in addition, because the upper and lower jaw all need set up corresponding vacuole structure, and the relative position relation of jaw is adjusted to both interactions, the patient need adjust relative position relation by oneself after wearing, if the relation adjustment is improper easily construct the interlock damage to the vacuole knot in-process of interlock, thereby the influence is corrected the effect. Therefore, the research on the accessory capable of guiding the mandible to extend forwards has important significance for causing less damage to the mouth of a patient and being matched with the invisible appliance for correction.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to overcome the defect that exists among the prior art, provide a guide annex, can guide the lower jaw to stretch forward, jaw relative position relation about the adjustment.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

a guide attachment comprising a fixing surface to be fixed to occlusal surfaces of teeth of a posterior maxillary dental area, a guide surface to guide protrusion of a mandible, and a distal support surface connected to and angled from the guide surface and the fixing surface, respectively, the distal support surface extending in a direction of a distal surface thereof to which teeth are fixed, the guide surface being in contact with the teeth of the posterior mandibular dental area.

Further, the angle between the fixing surface and the far supporting surface is alpha, and is more than or equal to 90 degrees and less than or equal to 170 degrees.

Further, the guiding accessory is arranged on the occlusal surface of the final dentition on both sides of the maxillary dentition or on the occlusal surface of the premolar on both sides of the maxillary.

Further, when the guide accessory is arranged on the occlusion surface of the final dentition at the two sides of the dentition, the length of the far supporting surface extending along the far surface direction of the fixed teeth is set to enable the occlusion relation of the upper jaw and the lower jaw to tend to align the cusp fossa; wherein the length of the far supporting surface extending along the far surface direction of the fixed teeth is 0.5mm-5.0 mm.

Further, when the guide accessory is arranged on the occlusal surface of the upper jaw bilateral premolars, a matching accessory which is matched with the guide accessory to guide the lower jaw to extend forwards is arranged at the occlusal surface of the lower jaw bilateral premolars, and the structure of the matching accessory is basically the same as that of the guide accessory.

Further, the guide attachment and the engagement attachment engage with each other by the guide surface so that the mandible is advanced.

Further, the angle between the fixing surface and the guide surface in the guide attachment is beta, and 30 DEG-beta is 60 deg.

Further, when the guide accessory and the matching accessory are matched with each other through the guide surface, the upper jaw and the lower jaw are opened and meshed, and the meshed relation of the upper jaw and the lower jaw tends to align the cusp and the fossa; wherein the distance of the opening occlusion is 1mm-6 mm.

Further, the fixing surface has a geometry which is matched with the occlusal surface of the teeth in the upper back dental area, and/or the guide surface has a geometry which is matched with the occlusal surface of the teeth in the lower back dental area.

Further, the fixing device also comprises a lip/cheek side surface and a tongue side surface, wherein the lip/cheek side surface is respectively connected with the far supporting surface, the guide surface and the fixing surface in a smooth transition way; the lingual side is in smooth transition connection with the distal support surface, the guide surface and the fixation surface, respectively.

Compared with the prior art, the beneficial effects of the utility model include at least:

the guide accessory comprises a fixing surface fixed on the occlusal surface of teeth in the posterior maxillary dental area, a guide surface for guiding the mandible to extend forwards and a distal support surface, wherein the distal support surface is connected with the guide surface and the fixing surface respectively and arranged at an angle; the fixing surface of the guide accessory is fixed with the occlusal surface of the tooth, so that the guide accessory is stably connected with the tooth; the guide surface of the guide accessory can be contacted with teeth in the lower jaw posterior dental area, and when the upper jaw and the lower jaw are contacted, the lower jaw can be guided to extend forwards, so that the relative position relation of the upper jaw and the lower jaw is adjusted; the far support surface of the guide accessory can fix the guide surface and the fixing surface, so that when the upper jaw and the lower jaw are occluded, a sufficient support effect is provided, and the occlusion deformation of the guide accessory in the occlusion process is prevented, and the final correction effect is influenced.

Drawings

Fig. 1 is a schematic structural diagram of a guide accessory according to an embodiment of the present invention.

Fig. 2 is a partial schematic view of the use of the guide accessory of fig. 1.

Fig. 3 is a schematic view of the guide attachment of fig. 1 in use, guiding mandible extension.

Fig. 4 is a schematic view of a guiding accessory according to another embodiment of the present invention.

Fig. 5 is a partial schematic view of the use of the guide accessory of fig. 4.

Fig. 6 is a schematic view of a guiding accessory according to another embodiment of the present invention.

Fig. 7 is a partial schematic view of the use of the guide accessory of fig. 6.

Fig. 8 is a schematic view of a guiding accessory according to still another embodiment of the present invention.

Fig. 9 is a partial schematic view of the use of the guide accessory of fig. 8.

Fig. 10 is a schematic view of the guide attachment of fig. 8 in use, guiding mandible extension.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. As used herein, the word "comprising" and similar words are intended to mean that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.

In the process of correcting teeth, the invisible correcting device and the accessory are combined into a common technical means. The method of upper and lower jaw relative position relation is adjusted in the guide has and sets up jaw pad, uses modes such as traditional Twin-block on the tooth, but above-mentioned setting mode needs paste the resin of great area on the tooth, and the patient wears the travelling comfort relatively poor to above-mentioned setting mode is installed and is dismantled the degree of difficulty great on the tooth, the utility model provides a guide annex, the volume is less, and is less to the tooth damage, and only need the annex template to install during the installation, only need when dismantling with the annex demolish the mode the same can, convenient operation.

The medical terms related to the present invention are explained as follows: the teeth are divided into an anterior tooth zone and a posterior tooth zone, wherein the "posterior tooth zone" is defined according to the classification of teeth including premolars and molars, as shown by FDI notation of 4-8 teeth and the "posterior tooth zone" FDI notation of 1-3 teeth as shown in pages 36-38 of the introduction to oral medicine published by Beijing university medical Press, 2 nd edition. The anterior tooth zone of the shell-shaped body 11 may be used to accommodate the central incisors, lateral incisors and cuspids of the maxillary teeth, and the posterior tooth zone of the shell-shaped body 10 may be used to accommodate the first premolar, the second premolar, the first molar, the second molar and the third molar of the maxillary teeth.

Referring to fig. 1 and 2, the embodiment 1 of the present invention provides a guide attachment 10, including a fixing surface 101 fixed to the occlusal surface of the teeth in the posterior maxillary area, a guide surface 102 for guiding the protrusion of the mandible, and a distal support surface 103, wherein the distal support surface 103 is connected to the guide surface 102 and the fixing surface 101 at an angle, the distal support surface 103 extends along a distal surface direction a (indicated by a dotted line) of the fixing teeth, and the guide surface 102 contacts the teeth in the posterior mandibular area. The guide attachment 10 may be installed at the occlusal surface of the teeth of the posterior dental area of the upper jaw, as shown in fig. 3, when the lower jaw interacts with the upper jaw, the occlusal surface of the posterior dental area of the lower jaw first contacts with the guide surface 102 of the guide attachment 10, and the lower jaw is guided to extend forward by the guide surface 102, thereby adjusting the relative position relationship of the upper and lower jaws.

In some embodiments of the present invention, as shown in fig. 1, the angle between the fixing surface 101 and the distal supporting surface 103 is α, and α is greater than or equal to 90 ° and less than or equal to 170 °. The angle between the fixing surface 101 and the far supporting surface 103 is obtuse in the arrangement mode, on one hand, the accessory is convenient to operate when being stuck on teeth, on the other hand, the contact area of the guiding accessory and the occlusal surface of teeth in the posterior maxillary dental area is the largest, the area of the guiding surface is larger, and the guiding of the lower jaw is more favorable for guiding the lower jaw to extend forwards.

In some embodiments of the present invention, as shown in fig. 1-7, the guiding attachment is provided on the occlusal surface of the final dentition on both sides of the maxillary dentition. It should be noted that the final tooth position on both sides of the maxillary dentition refers to the most distal tooth position on both sides of the upper jaw in the mouth of the patient, which may be the installation of the guide accessory on the third molar; if the patient lacks the third molar and a second molar exists, the guide accessory can be installed on the second molar; if the patient lacks the second molar and the third molar and the first molar exists, the guide accessory can be installed on the first molar; in one embodiment, the bilateral end sites of the maxillary dentition may be the same sites as the bilateral second molars for installation of the guide attachment; the guide accessory can be arranged on the second molar, and the guide accessory can be arranged on the first molar. In a preferred embodiment, when the guide attachment is provided on the occlusal surface of the terminal dentition at both sides of the dentition, the length of the distal support surface extending in the direction of the distal surface thereof to which the teeth are fixed is such that the maxillomandibular occlusal relationship tends to align the cusps; wherein the length of the far supporting surface extending along the far surface direction of the fixed teeth is 0.5mm-5.0 mm. The length of the setting mode can be selected according to actual clinical requirements, and if the upper and lower jaw teeth are required to be opened to be occluded in the process of guiding the lower jaw to extend forwards, the length of the far middle supporting surface extending along the far middle direction of the fixed teeth installed on the guiding accessory can be set to be 3mm, 4mm or 5 mm. If the open part occlusion relation of the upper and lower jaw teeth is not needed in the process of guiding the protrusion of the lower jaw, the length of the far supporting surface extending along the far direction of the fixed tooth installed on the guiding accessory can be set to be 0.5mm, 1.0mm or 1.5 mm. Whether the occlusal relationship of the upper and lower teeth needs to be opened or not needs to be set according to the actual intraoral condition of the patient, and the above list is only a partial list.

In another embodiment, as shown in fig. 8-10, the occlusal surfaces of the bi-lateral maxillary premolars may be fitted with guide attachments on the first premolars or may be fitted with guide attachments on the second premolars; bilateral premolars can be bilateral teeth with the same position, such as the second premolars on the two sides of the upper jaw for installing the guide accessory; the two sides of the upper jaw can be different teeth positions, for example, the left side is used for installing the guide accessory on the first premolar, and the right side is used for installing the guide accessory on the second premolar. In a preferred embodiment, when the guide accessory is arranged on the occlusal surface of the upper jaw bilateral premolar, the occlusal surface of the lower jaw bilateral premolar is provided with a matching accessory which is matched with the guide accessory to guide the lower jaw to extend forwards, and the structure of the matching accessory is basically the same as that of the guide accessory. In a preferred embodiment, the guide attachment 10 and the mating attachment 20 cooperate with the guide surfaces to advance the mandible. More specifically, the upper and lower jaws are provided with attachments, and the upper jaw mounted guiding attachment 10 and the lower jaw mounted mating attachment 20 interact during the occlusion of the upper and lower jaws to guide the mandible forward; more specifically, the guide attachment 10 and the mating attachment 20 are substantially identical in construction, and the guide surface 102 provided on the guide attachment 10 interacts with the guide surface 202 provided on the mating attachment 20 to guide mandibular protrusion. Wherein the structure of the guide accessory 10 and the mating accessory 20 are substantially the same means that at least one of the structure and the size of the two is the same. In a preferred embodiment, the guide attachment 10 and the mating attachment 20 are identical in structure and shape.

In one embodiment of the present invention, as shown in fig. 1 and 2, the angle between the fixing surface 101 and the guide surface 102 in the guide attachment 10 is β, and β is greater than or equal to 30 ° and less than or equal to 60 °. This kind of mode of setting makes the angle between stationary plane 101 and the guide face 102 be the acute angle, on the one hand carries out the annex and pastes convenient operation when the operation on the tooth, and on the other hand for the in-process that the guide annex extends to the distal end from the nearly middle-end of upper jaw back teeth district tooth occlusal surface is gently transited, compensates with the inclination of intraoral tooth itself, and when the guide annex was installed on the tooth, the patient carried out the bite and induced in-process, and the sense of discomfort in the mouth is less.

In one embodiment of the present invention, when the guide accessory 10 and the fitting accessory 20 are fitted to each other by the guide surface, the upper and lower jaws are opened and engaged, and the engagement relationship between the upper and lower jaws tends to align the cusp and fossa; wherein the distance of the opening occlusion is 1mm-6 mm. The open occlusion distance means that the distance between incisors in the upper jaw and the lower jaw is 1mm-6mm, because the guide accessory 10 is arranged at the premolar, the open occlusion distance of the teeth in the front tooth area is larger than that of the teeth in the rear tooth area in the lower jaw opening process if the lower jaw is relative to the upper jaw and the condylar point is taken as the center point of rotation, and the oral environments of different patients are different and the degrees of occlusion required to be opened are different; in the actual intraoral environment, the degree of open occlusion is selected according to the case, thereby adjusting the relative position relationship of the upper and lower jaws.

In one embodiment of the present invention, the securing surface 101 has a geometry that conforms to the occlusal surface of the teeth in the posterior maxillary area and/or the guiding surface 102 has a geometry that conforms to the occlusal surface of the teeth in the posterior mandibular area. As shown in fig. 4 and 5, in order to increase the fixing degree of the guide attachment 10 to the occlusal surface of the teeth in the posterior maxillary dental area, the fixing surface 101 has a geometrical shape matching the occlusal surface of the teeth in the posterior maxillary dental area, that is, a geometrical structure matching the occlusal surface of the teeth in the posterior maxillary dental area, so as to increase the contact area between the occlusal surface of the teeth in the posterior maxillary dental area and the fixing surface 101, so that the fixing degree of the two is increased, and the probability that the guide attachment 10 falls off from the teeth is reduced. In addition, as shown in fig. 6 and 7, when the upper jaw and the lower jaw are engaged with each other, the teeth of the lower jaw are interacted with and contacted with the guide surface 102 on the guide accessory 10, at this time, if the guide surface 102 has a geometrical shape which is matched with the occlusal surface of the teeth of the lower jaw back tooth area, the contact area between the lower jaw and the guide accessory 10 is increased, the interaction area between the guide accessory 10 and the teeth of the lower jaw back tooth area is larger, and the lower jaw is more favorably driven to extend forwards, so that the relative position relation between the upper jaw and the lower jaw is adjusted. The fixing surface 101 of the guide attachment 10 has a geometry that fits the occlusal surface of the teeth in the posterior maxillary area, and the guide surface 102 may have a geometry that fits the occlusal surface of the teeth in the posterior mandibular area, or may be provided alternatively according to the actual correction requirements.

In one embodiment of the present invention, the device further comprises a labial/buccal surface and a lingual surface, wherein the labial/buccal surface is in smooth transition connection with the distal support surface, the guide surface and the fixing surface respectively; the tongue side surface is respectively connected with the far supporting surface, the guiding surface and the fixing surface in a smooth transition way. More specifically, the guide attachment 10 is composed of 5 surfaces, namely a fixing surface 101, a guide surface 102, a far support surface 103, a lip/cheek side surface and a tongue side surface, and is a three-dimensional structure, wherein the fixing surface 101 is a surface fixed with teeth, the guide surface 102 is used for guiding the mandible to extend forwards, the far support surface 103 is used for adjusting the angle and the height of the guide surface, and the lip/cheek side surface and the tongue side surface are arranged so that the guide attachment 10 is a closed three-dimensional structure, and the inside of the three-dimensional structure can be a hollow structure or a solid filling structure; when a patient carries out occlusion induction, enough supporting force can be provided, and the collapse deformation of the guiding accessory in the occlusion process is avoided, so that the correction effect is not influenced. In addition, the lip/cheek side surfaces are respectively connected with the far supporting surface, the guiding surface and the fixing surface in a smooth transition way; the tongue side surface is respectively connected with the far and middle supporting surface, the guiding surface and the fixing surface in a smooth transition way, and the formed three-dimensional structure with smooth transition can reduce the damage to the oral mucosa in the mouth.

The utility model provides a guide annex can paste on the tooth through the annex template, and later the adjustment of jaw position relation about going up through patient's proper motion upper and lower jaw interlock, only need paste corresponding annex at this in-process on the tooth and can realize easy operation. In addition, the guide accessory can be used together with the invisible appliance, namely, the invisible appliance is provided with a structure for accommodating the guide accessory, so that the effect of correcting the teeth from the first position to the second position can be realized while the relation between the upper jaw and the lower jaw is adjusted. Certainly, the guiding attachment can also be used in combination with the fixing correction, for example, the guiding attachment is pasted on the teeth to adjust the relation between the upper jaw and the lower jaw, the fixing correction (for example, the bracket is used for correction) has the effect of correcting the teeth from the first position to the second position, and the effect of correcting the teeth while adjusting the relation between the jaws is realized. The above-mentioned usage can be selected and used according to the actual case situation in the patient's mouth.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. A guide attachment comprising a fixing surface for fixing to the occlusal surface of the teeth of the posterior maxillary area, a guide surface for guiding the mandibular advancement, and a distal support surface angularly connected to the guide surface and the fixing surface, respectively, the distal support surface extending in the direction of the distal surface of the teeth to be fixed thereto, the guide surface being in contact with the teeth of the posterior mandibular area.

2. The guide accessory of claim 1, wherein the angle between the stationary plane and the distal support plane is α, and 90 ° ≦ α ≦ 170 °.

3. The guide accessory of claim 1, wherein the guide accessory is provided on the occlusal surface of the maxillary dentition bilateral terminal dentition or on the maxillary bilateral premolar occlusal surface.

4. The guide attachment of claim 3, wherein when the guide attachment is placed on the occlusal surface of the terminal dentition at both sides of the dentition, the length of the distal support surface extending in the direction of the distal surface of the fixed tooth is such that the maxillomandibular engagement tends to align the cusps; wherein the length of the far supporting surface extending along the far surface direction of the fixed teeth is 0.5mm-5.0 mm.

5. The guide attachment of claim 3 wherein when the guide attachment is placed on the bi-lateral premolar occlusal surface, a mating attachment is provided at the bi-lateral premolar occlusal surface to mate with the guide attachment to guide protrusion of the mandible, the mating attachment being substantially identical in construction to the guide attachment.

6. The guide accessory of claim 5, wherein the guide accessory and the engagement accessory engage each other with the guide surface such that the mandible is advanced.

7. The guide accessory of claim 1, wherein the angle between the fixed face and the guide face in the guide accessory is β, and 30 ° ≦ β ≦ 60 °.

8. The guide attachment of claim 6, wherein when the guide attachment and the mating attachment are mated with each other by the guide surface, the upper and lower jaws open and bite together, and the occlusal relationship of the upper and lower jaws tends to align the cusps; wherein the distance of the opening occlusion is 1mm-6 mm.

9. The guide attachment of claim 1, wherein the securing surface has a geometry that conforms to the occlusal surface of the teeth of the posterior maxillary area and/or the guiding surface has a geometry that conforms to the occlusal surface of the teeth of the posterior mandibular area.

10. The guide attachment of claim 1, further comprising labial/buccal surfaces and lingual surfaces, the labial/buccal surfaces being in smooth transition with the distal support surface, the guide surface and the fixation surface, respectively; the lingual side is in smooth transition connection with the distal support surface, the guide surface and the fixation surface, respectively.