WO2017105032A1 - Procédé de panification d'intervention d'implant dentaire, appareil associé, et support d'enregistrement comprenant un enregistrement dudit procédé - Google Patents

Procédé de panification d'intervention d'implant dentaire, appareil associé, et support d'enregistrement comprenant un enregistrement dudit procédé Download PDF

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Publication number
WO2017105032A1
WO2017105032A1 PCT/KR2016/014324 KR2016014324W WO2017105032A1 WO 2017105032 A1 WO2017105032 A1 WO 2017105032A1 KR 2016014324 W KR2016014324 W KR 2016014324W WO 2017105032 A1 WO2017105032 A1 WO 2017105032A1
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WO
WIPO (PCT)
Prior art keywords
fixture
crown
area
planning
dental implant
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Application number
PCT/KR2016/014324
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English (en)
Korean (ko)
Inventor
최규옥
정정운
Original Assignee
오스템임플란트 주식회사
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Publication of WO2017105032A1 publication Critical patent/WO2017105032A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/04—Measuring instruments specially adapted for dentistry

Definitions

  • the present invention relates to a dental implant procedure planning method, apparatus for the same, and a recording medium recording the same, and more particularly, to a technique for establishing a dental implant procedure plan through the implant placement simulation.
  • Dental implant treatment involves an implant procedure planning process that determines the dimensions, types, locations, orientations, and shapes of the implant that are appropriate for the patient's condition prior to the procedure.
  • the imaging equipment can be used to obtain an image of the patient's anatomical structure such as X-ray, CT, MRI, panorama, etc., and to determine the condition of the dental bones. Position, orientation, shape, etc. are simulated by software program.
  • a fixture is placed at an appropriate position according to an analysis result of anatomical structures or bone density around an implant target area, and then abutments corresponding to the fixture position. ) And the crown (Crown) position is determined.
  • the implant treatment plan is made around the fixture.
  • the position of the crown should be determined in consideration of not only the relationship with the fixture but also the relationship between the surrounding teeth and the antagonist, so there is a practical limit in the area where the crown can be located. This makes it almost impossible to move, rotate or adjust the position of the crown.
  • the crown is placed in a position corresponding to the antagonist by satisfying the above limit condition, if the fixture position is placed too close to the boundary of the crown, there is a risk that the crown is broken by the grip force caused by the chewing movement after the implant procedure.
  • the positional relationship between the fixture and the crown connected to the abutment is very important for successful implantation.
  • the positioning of the fixture is preceded, and then the position of the crown is determined, so that the adjustment of the position of the fixture is inevitable according to the position of the crown. Since the adjustment of the position of the fixture is made manually, it is not only cumbersome, but there is a problem that takes time due to the repeated fixture positioning process.
  • the implant planning program according to the prior art provides only the function of guiding the positioning of the fixture according to the anatomical structure or the position of the surrounding implant, and does not provide the function of guiding the fixture and the crown to have a proper positional relationship. After the procedure, there was a problem of being exposed to the risk of crown fracture.
  • the present invention has been proposed to solve the problem of the prior art that the implant procedure planning is made around the fixture, which is not only cumbersome because the fixture position adjustment is necessary again in the planning stage, and may be exposed to the risk of crown fracture even after the procedure. It is an object of the present invention to provide a crown-based dental implant procedure planning method, a device therefor, and a recording medium recording the same.
  • the above object is a method of planning an implant procedure through a simulation according to an aspect of the present invention, comprising: arranging a crown and a fixture in an image; Setting a safe region in the inner region of the crown for guiding a connection position of the fixture with respect to the crown; And providing warning information when the fixture is moved within a predetermined range of the safety area according to the movement command of the fixture input through the user interface.
  • the setting of the safety area may include setting the safety area based on a user input through a user interface, or arranging the property of the crown including at least one of an area, a size, and a shape of the crown.
  • the safety zone may be set according to a preset criterion based on the arrangement including the position or angle.
  • the above object can also be achieved by a computer readable recording medium having recorded thereon a program for executing the aforementioned dental implant procedure planning method.
  • the above object is a device for planning a dental implant procedure through simulation according to another aspect of the present invention, an object for placing at least one implant object constituting the implant including the crown and fixture on the image Component; A condition setting unit for setting a safe area for guiding a connection position of the fixture with respect to the crown in an inner area of the crown disposed in the image; And an object corrector for providing warning information when the fixture is moved within a predetermined range of the safety area according to the position correction command of the fixture input through a user interface. Can be.
  • the object configuration unit may reduce the planning time by providing a crown-centered plan that determines the position and placement direction of the fixture based on the position and angle of the crown disposed corresponding to the tooth loss position.
  • the object modifying unit may limit the movement of the fixture so that the fixture does not exceed the maximum boundary range of the safe area, and further, calculates the distance to the boundary between the fixture and the safe area, the calculation
  • the warning information may be implemented to provide the warning information when the distance is included within a predetermined criterion for providing the warning information.
  • the positioning of the crown is preceded to prevent time delay due to the fixture position adjustment.
  • FIG. 1 is a block diagram of an apparatus for a dental implant procedure plan in accordance with an embodiment of the present invention
  • FIG. 2 is a reference diagram for explaining an example of a safety area set according to an embodiment of the present invention
  • FIG. 3 is a flow chart of a dental implant procedure planning method according to an embodiment of the present invention.
  • FIG. 4 is an example of a screen for providing warning information as a fixture approaches a safe area in a dental implant procedure planning method according to an embodiment of the present invention.
  • the implantation position of the implant object constituting the implant such as fixture (Crown), abutment (Abutment) that is the connection medium of the crown and fixture before the procedure
  • the implantation direction, length, size, etc. are determined to provide a simulation of implantation virtually.
  • the apparatus 100 for a dental implant procedure plan includes a user interface 10, an object configuration unit 30, a condition setting unit 50, and an object correction unit 70.
  • the user interface 10 is for receiving various commands from a user, and may be implemented as input means such as a mouse, a keyboard, a button, a keypad, and / or a GUI on the screen.
  • the object constructing unit 30 generates an implant object and places it in an image.
  • the image in which the implant object is disposed means a multi-dimensional image such as 2D, 3D, etc., in which a tooth arrangement of a patient generated for establishment of an implant procedure plan is shown.
  • the implant treatment plan may use various types of images such as X-ray, CT, MRI, panoramic image, scan image, image generated through reconstruction, and a combination of images.
  • the object constructing unit 30 may determine an arrangement mode such as a position, a direction, an angle, and the like, and an object property such as a dimension, a size, and a shape of the object. This is performed based on various image processing algorithms, information input from a user, and criteria prepared in advance.
  • the condition setting unit 50 sets a condition according to the connection relationship between the crown and the fixture disposed in the image by the object configuring unit 30. Since the crown is the part that engages the antagonist during the mastication movement, the fixture should be connected to the proper position so that the force applied to the crown during the mastication is evenly distributed. If the force is applied biased to a particular part, the crown may fracture and the connection between the crown and the fixture is very important for a successful procedure.
  • condition setting unit 50 sets a safety area for guiding the connection position of the fixture with respect to the crown.
  • the safety region S is set in the inner region of the crown 201 at the boundary L of the crown 201.
  • the safety zone may vary in extent depending on the size, area, shape, crown position, angle, and the like of the crown.
  • the safety region may be simply set in a circular shape, but as shown in FIG. 2, a specific shape may be determined according to the shape of the crown, and the crown may be placed in an area where a strong force is applied during the chewing. In this case, the safety region may be relatively narrow.
  • the area of the safety area may be wider in proportion to the area of the crown.
  • the condition setting unit 50 may store the safety zone setting criteria according to the attributes and the arrangement of the crowns to be arranged, and set the safety zone based on the safety zone setting criteria.
  • the object correction unit 70 allows a user to modify an implant object primarily disposed in an image, and moves and rotates the position of the object according to an instruction for modifying an implant object input through the user interface unit 10. Change attributes such as dimension, length, and size.
  • the object corrector 70 provides warning information when the fixture moves close to the boundary of the set safe area. In addition to providing the warning information, a function of limiting the movement of the fixture may be further added so that the fixture does not cross the boundary of the safe area.
  • the device 100 for a dental implant procedure plan can provide a successful implant procedure by providing a range of connection areas of the fixture without the risk of fracture of the crown.
  • FIG. 3 is a flowchart of a method for planning an implant procedure according to an embodiment of the present invention.
  • the organic operation of the apparatus 100 for the aforementioned implant procedure plan will be described.
  • an image processing process such as acquiring a medical image of a patient, reconstructing an acquired medical image, and image registration is premised.
  • the crown may be first disposed in the tooth loss region, and the fixture may be disposed corresponding to the position and the disposed angle of the crown.
  • the crown arrangement may be determined by detecting the position and size of the region where the tooth is lost through image processing to determine the size and arrangement position of the crown.
  • the crown may be arranged according to a user input through the user interface unit 10. For example, if the user inputs the maximum convexity of the crown to be placed, that is, both end points of the widest part when descending toward the gum, the crown may be disposed so as to pass through the two input points. have. According to this, the size of the crown and the disposed angle are determined based on the distance between the two input points and the inclination between the two points.
  • the fixation direction and the implantation position of the fixture are determined based on the arrangement position and the angle of the crown disposed as described above, and the fixture is disposed in the image.
  • the crown is first placed on the image, and the crown centered planning method of arranging the fixtures in correspondence with the crown is used to fit the crown in which there is a practical limit in the implantation area according to the relationship with the surrounding teeth and antagonists.
  • the time taken to adjust the position of can be greatly reduced.
  • the fixture may be placed first and the crown may be arranged according to the placement direction and position of the fixture.
  • the fixture may be placed first and the crown may be arranged according to the placement direction and position of the fixture.
  • the apparatus 100 for implant treatment planning may selectively provide a first placement mode preceded by the placement of the crown and a second placement mode preceded by the placement of the fixture according to the user's selection. Can be implemented.
  • a safety region indicating a range in which the fixtures can be connected is set among the inner regions of the arranged crown (S20).
  • the safe area may be set based on a user input through the user interface 10.
  • the user interface unit 10 receives a plurality of points in the crown and connects the input points to set a safe area, or basically provides a curved surface according to the shape of the crown, The shape and size may be adjusted by the user so that the safety area may be set.
  • the setting of the safety area may be automatically performed according to a preset criterion based on the area of the crown that is disposed.
  • the setting criteria according to the items to be considered in setting the safety area such as the size, area, shape of the crown, the position where the crown is disposed, the angle, and the like, may be prepared, and the safety area may be automatically set based thereon. As such, it is of course possible to provide the user with an opportunity to modify the safety zone even when set automatically.
  • the results of the location analysis of the bone density and anatomical structure around the position where the fixture is placed provide an opportunity for the user to modify the primarily placed implant object.
  • the user has a bone density suitable for fixing fixtures through the user interface unit 10, adjusts the implantation angle of the fixture to a position which does not overlap with the anatomical structure around, and moves the position of the fixture according to the horizontal / vertical movement.
  • warning information is provided (S30 and S40).
  • FIG. 4 is an example of a screen that provides warning information as a fixture approaches a safe area when fixing a fixture location. As shown in a to c of FIG. 4, the fixture approaches the boundary of the safe area, and the modification is performed.
  • the position of the fixture is corrected in the axial image, but not only the axial image, but also various two-dimensional images such as sagittal images and coronal images.
  • the correction can also be made in the three-dimensional image.
  • the boundary line F of the fixture and the boundary line S of the safe area remain sufficiently apart, while in b, the boundary line F of the fixture gradually approaches the boundary line S of the safe area, and in c, It can be seen that it is located very close to the boundary line (S).
  • the distance between the two boundary lines F and S is provided, and the boundary line S of the safety area is changed from orange to red as the distance approaches as the distance between the two boundary lines F and S is reflected. .
  • the distance between the boundary line F of the fixture and the boundary line S of the safety area is calculated, and when the boundary line S of the fixture boundary F and the set safety area come closer to or less than a predetermined distance, the two boundary lines F
  • the distance of, S) may be displayed, and warning information may be provided for the user to easily recognize by changing the display style such as the color or thickness displayed according to the distance between the two boundary lines (F, S). Meanwhile, the warning information may be provided not only visual information but also auditory information such as warning sound as described above.
  • a function of limiting the movement of the fixture may be further added such that the fixation boundary F does not exceed the boundary line S of the safety area which is the maximum boundary range of the safety area.
  • the dental implant procedure planning method and apparatus 100 for the same by guiding the connection relationship between the crown and the fixture to prevent the risk of crown fracture after the procedure to achieve a successful implant procedure We can plan.
  • the function of positioning and positioning the fixture around the crown it is possible to effectively reduce the implant planning time.
  • the dental implant procedure planning method according to the present invention may be implemented as a program that can be executed in a computer, and may be implemented as various recording media such as a magnetic storage medium, an optical read medium, and a digital storage medium.
  • Implementations of the various techniques described herein may be implemented in digital electronic circuitry, or in computer hardware, firmware, software, or in combinations of them. Implementations may be implemented for processing by, or to control the operation of, a data processing device, eg, a programmable processor, a computer, or multiple computers, a computer program product, ie an information carrier, for example a machine readable storage. It can be implemented as a device (computer readable medium) or as a computer program tangibly embodied in a radio signal.
  • Computer programs, such as the computer program (s) described above may be written in any form of programming language, including compiled or interpreted languages, and may be written as standalone programs or in modules, components, subroutines, or computing environments. It can be deployed in any form, including as other units suitable for use.
  • the computer program can be deployed to be processed on one computer or multiple computers at one site or distributed across multiple sites and interconnected by a communication network.
  • processors suitable for the processing of a computer program include, by way of example, both general purpose and special purpose microprocessors, and any one or more processors of any kind of digital computer.
  • a processor will receive instructions and data from a read only memory or a random access memory or both.
  • Elements of a computer may include at least one processor that executes instructions and one or more memory devices that store instructions and data.
  • a computer may include one or more mass storage devices that store data, such as magnetic, magneto-optical disks, or optical disks, or receive data from, transmit data to, or both. It may be combined to be.
  • Information carriers suitable for embodying computer program instructions and data include, for example, semiconductor memory devices, for example, magnetic media such as hard disks, floppy disks, and magnetic tape, compact disk read only memory. ), Optical media such as DVD (Digital Video Disk), magneto-optical media such as floppy disk, ROM (Read Only Memory), RAM , Random Access Memory, Flash Memory, Erasable Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), and the like.
  • the processor and memory may be supplemented by or included by special purpose logic circuitry.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Dental Prosthetics (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

La présente invention concerne un procédé permettant de planifier une intervention d'implant dentaire, un appareil pour ledit procédé, et un support d'enregistrement sur lequel ledit procédé est enregistré. Lors de la planification d'une intervention d'implant au moyen d'une simulation, le risque de fracture coronaire après l'intervention peut être éliminé de manière préventive en limitant la plage dans laquelle un dispositif de fixation peut être relié à une couronne.
PCT/KR2016/014324 2015-12-16 2016-12-07 Procédé de panification d'intervention d'implant dentaire, appareil associé, et support d'enregistrement comprenant un enregistrement dudit procédé WO2017105032A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150180046A KR101689748B1 (ko) 2015-12-16 2015-12-16 치과용 임플란트 시술 계획 방법, 이를 위한 장치 및 이를 기록한 기록매체
KR10-2015-0180046 2015-12-16

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WO2017105032A1 true WO2017105032A1 (fr) 2017-06-22

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Publication number Priority date Publication date Assignee Title
KR101960476B1 (ko) * 2017-04-28 2019-03-20 주식회사 코어라인소프트 치과용 임플란트 플래닝 시스템 및 방법
KR102145615B1 (ko) * 2018-06-15 2020-08-19 오스템임플란트 주식회사 치과용 임플란트 플래닝 방법, 이를 위한 장치, 및 이를 기록한 기록매체

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KR20050059134A (ko) * 2002-08-26 2005-06-17 오사카 인더스트리얼 프로모션 오가니제이션 인공 치근 매입 위치 특정 장치, 인공 치근 매입 위치 특정방법, 가이드 부재 제조 장치, 검지 장치, 드릴, 의치 제조 장치, 컴퓨터 프로그램 및 기록 매체
JP2008307281A (ja) * 2007-06-15 2008-12-25 Yuichiro Kawahara インプラント埋入穴開け術後口腔模型の製造方法、ステントの製造方法、および入れ歯の製造方法
KR100970341B1 (ko) * 2008-12-19 2010-07-15 이준호 다목적 스텐트 및 그 제작 방법
KR101538097B1 (ko) * 2015-03-03 2015-07-21 주식회사 디오 치아 임플란트 시술을 위한 서지컬 가이드 및 크라운, 어버트먼트 제조방법
JP2015527129A (ja) * 2012-07-31 2015-09-17 トロワデクレフォルム 歯科インプラントの取付けを調整するための方法及びデバイス

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050059134A (ko) * 2002-08-26 2005-06-17 오사카 인더스트리얼 프로모션 오가니제이션 인공 치근 매입 위치 특정 장치, 인공 치근 매입 위치 특정방법, 가이드 부재 제조 장치, 검지 장치, 드릴, 의치 제조 장치, 컴퓨터 프로그램 및 기록 매체
JP2008307281A (ja) * 2007-06-15 2008-12-25 Yuichiro Kawahara インプラント埋入穴開け術後口腔模型の製造方法、ステントの製造方法、および入れ歯の製造方法
KR100970341B1 (ko) * 2008-12-19 2010-07-15 이준호 다목적 스텐트 및 그 제작 방법
JP2015527129A (ja) * 2012-07-31 2015-09-17 トロワデクレフォルム 歯科インプラントの取付けを調整するための方法及びデバイス
KR101538097B1 (ko) * 2015-03-03 2015-07-21 주식회사 디오 치아 임플란트 시술을 위한 서지컬 가이드 및 크라운, 어버트먼트 제조방법

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