WO2015008893A1 - Procédé de production de prothèse d'implant dentaire semi-personnalisé ayant un processus de production simplifié - Google Patents

Procédé de production de prothèse d'implant dentaire semi-personnalisé ayant un processus de production simplifié Download PDF

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Publication number
WO2015008893A1
WO2015008893A1 PCT/KR2013/008094 KR2013008094W WO2015008893A1 WO 2015008893 A1 WO2015008893 A1 WO 2015008893A1 KR 2013008094 W KR2013008094 W KR 2013008094W WO 2015008893 A1 WO2015008893 A1 WO 2015008893A1
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WO
WIPO (PCT)
Prior art keywords
abutment
prosthesis
shape
design
semi
Prior art date
Application number
PCT/KR2013/008094
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English (en)
Korean (ko)
Inventor
김정한
Original Assignee
라파바이오 주식회사
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Publication of WO2015008893A1 publication Critical patent/WO2015008893A1/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
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • 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
    • A61C13/0003—Making bridge-work, inlays, implants or the like
    • A61C13/0004—Computer-assisted sizing or machining of dental prostheses
    • 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
    • A61C13/34—Making or working of models, e.g. preliminary castings, trial dentures; Dowel pins [4]
    • 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
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0068—Connecting devices for joining an upper structure with an implant member, e.g. spacers with an additional screw
    • 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
    • A61C8/008—Healing caps or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C9/00—Impression cups, i.e. impression trays; Impression methods
    • A61C9/004—Means or methods for taking digitized impressions
    • A61C9/0046—Data acquisition means or methods
    • A61C9/0053—Optical means or methods, e.g. scanning the teeth by a laser or light beam
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/70—Tooth crowns; Making thereof
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H20/00—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
    • G16H20/40—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture

Definitions

  • the present invention relates to a method for manufacturing a dental implant prosthesis, and more particularly to a method for manufacturing a semi-custom dental implant prosthesis by simplifying the manufacturing process by designing using a ready-made abutment library.
  • an implant is a replacement that is originally restored when human tissue is lost, but in dentistry, an artificial tooth replacement is placed, more specifically in place of a lost root (root).
  • an artificial tooth replacement is placed, more specifically in place of a lost root (root).
  • the tooth root made of titanium (titanium), which has no rejection reaction to the human alveolar bone, the artificial tooth is fixed.
  • the dental implant prosthesis procedure performed in the dentistry is divided into a surgical process of embedding a fixture in the gum bone, that is, the alveolar bone, and a prosthetic process of connecting abutment to the planted fixture to install a tooth substitute.
  • the dental implant prosthesis procedure described below is a fixture level impression method for completing an intraoral model by connecting impression copings in the oral cavity when the impression is taken in the prosthetic process.
  • grooves matching the fixture dimensions are formed by drilling and tapping the alveolar bone, and then mounting a mount on the upper portion of the fixture.
  • the implant is then embedded in the alveolar bone by using the surgical hand piece to embed the fixture and mount in the alveolar bone and then remove the mount from the fixture.
  • the first operation is completed by fastening the cover screw to the upper part of the fixture to seal the fixture.
  • the cover screw blocks bacteria and foreign matter present in the oral cavity from entering the fixture while waiting for the fusion of the fixture. Bone fusion periods vary somewhat depending on the bone quality and location of the patient, but generally take three to six months.
  • the healing abutment is removed, and an impression coping is fastened to the upper portion of the fixture to produce a prosthesis.
  • the impression material is then used to take a preliminary impression in the oral cavity and to remove the impression coping.
  • a tooth model is manufactured and an artificial tooth, that is, an artificial crown, is processed, and then abutments are fastened to the upper part of the fixture, and the upper prosthesis (ie, a crown) is fixed on the abutment to complete the implant prosthesis.
  • An object of the present invention in the design of the abutment to make a custom design above the margin on the basis of the margin, the bottom cuff to be automatically generated in the tapered shape, thereby reducing the effort required for the design and manufacture of the abutment and the upper prosthesis It is to provide a method for manufacturing a dental prosthesis that can reduce the time.
  • Another object of the present invention is to provide a dental prosthesis manufacturing method that can reduce the number of visits and treatment period of the patient by collectively designing and manufacturing the upper prosthesis and abutment of the dental implant prosthesis.
  • the present invention provides a model preparing step of obtaining information from the oral environment of the patient to prepare a plaster model and a wax-up model in the form of a final prosthesis; Performing a three-dimensional scan of the wax-up model to obtain three-dimensional solid shape data of the final prosthesis; An abutment and upper prosthesis design step of setting semi-customized abutment shape design data and upper prosthesis design data using the three-dimensional three-dimensional shape data of the final prosthesis; It provides a dental implant prosthesis manufacturing method comprising a; and semi-custom abutment processing step of processing a semi-custom abutment by performing a cam processing from the set semi-custom abutment shape data.
  • the abutment cuff shape is preferably to be automatically generated in a tapered shape.
  • the abutment design is to select the standard of the round bar to be used for processing, it is preferable to design the shape above the margin margin within the range.
  • the abutment and upper prosthesis design step may be set by selecting a shape selected from a preset ready rent column shape library within a preset changeable range.
  • the changeable range is the height of the post and the angle of the post.
  • the semi-custom abutment processing step it is preferable to process the post and the margin by using a pre-processed material.
  • the method may further include an upper prosthesis processing step of processing the upper prosthesis from the set upper prosthesis shape data.
  • the gypsum model provided in the model preparing step includes an immersion profile shape selected from a ready-made healing abutment shape.
  • the present invention transforms the library of ready rents to design the rents, thereby reducing the effort required to design and reducing the time to manufacture the rents and upper prostheses.
  • the present invention enables to design and manufacture the upper prosthesis and the abutment of the dental implant prosthesis collectively, bringing the effect of reducing the number of visits and the treatment period of the patient.
  • 1 is a view schematically showing the external structure and internal structure of the dental implant prosthesis
  • Figure 2 is a flow chart showing a semi-custom dental implant prosthesis manufacturing method simplified the manufacturing process according to an embodiment of the present invention
  • 3 is a view showing the height adjustment range of the post
  • 4 is a view showing an angle adjustment range of the post.
  • FIG. 5 is a view showing a pre-processing material used in the implant prosthesis manufacturing method according to an embodiment of the present invention.
  • 1 is a view schematically showing the external structure and internal structure of the dental implant prosthesis.
  • the dental implant prosthesis is the fixture 110 is inserted into the alveolar bone, the abutment 120 fastened to the fixture 110, and the abutment 120 is wrapped to form the appearance of the final dental implant prosthesis It includes an upper prosthesis 130 to.
  • the upper prosthesis 130 may also be referred to as a crown, and in the present invention, the term upper prosthesis is used.
  • the upper prosthesis 130 is made of a precious metal alloy containing gold (Au) or a non-precious or semi-precious metal alloy containing no gold, a ceramic material, a precious metal, It can be manufactured using various dental materials such as non-noble or semi-precious metals and ceramics.
  • PFM Porous Fused Metal
  • the appearance of the upper prosthesis 130 is determined by data such as the tooth shape of the patient and the shape of the occlusal antagonist.
  • the inner surface shape of the upper prosthesis 130 corresponds to the outer shape of the abutment 120. This is to secure the coupling force of the abutment 120 and the upper prosthesis 130.
  • the present invention is to simplify the process of manufacturing the prosthesis by designing and processing a semi-custom abutment. From this, the effect that can shorten the healing period of a patient is anticipated.
  • Figure 2 is a flow chart illustrating a semi-custom dental implant prosthesis manufacturing method simplified the manufacturing process according to an embodiment of the present invention.
  • the implant prosthesis manufacturing method comprises obtaining a gypsum model and a wax-up model in the form of a final prosthesis by obtaining information from the oral environment of the patient (S-21), and the wax-up model three-dimensional A wax-up model scan step (S-22) of scanning to obtain three-dimensional solid shape data of the final prosthesis, semi-custom abutment shape design data and upper prosthesis design data using the three-dimensional solid shape data of the final prosthesis.
  • the abutment and the upper prosthesis design step (S-23) to set and a semi-custom abutment processing step (S-24) for processing a semi-custom abutment by performing a cam processing from the set semi-custom abutment shape data.
  • Model preparation step (S-21) is a step of preparing a plaster model corresponding to the oral environment of the patient and the wax-up model in the form of the final prosthesis.
  • the gypsum model can be made using an impression model acquired from a patient or a 3D oral scan file.
  • Gypsum models include the shape of an immersion profile, which is the shape of the gum around the ankle.
  • the immersion profile shape can be adjusted to some extent using the healing abutment, it is desirable to include an emergence profile in the gypsum model that corresponds to the shape of the healing abutment to be used or used.
  • the emergency profile shape relates to the abutment cuff shape described later, and more details will be described later.
  • the shape of the wax-up model in the form of the final prosthesis is determined by data such as the tooth shape of the patient and the shape of the occlusal antagonist.
  • the model scan step (S-22) is a step of three-dimensional scanning of the wax-up model, digitalizing the three-dimensional solid shape of the final prosthesis, and acquiring the data.
  • the 3D three-dimensional shape data of the final prosthesis thus obtained is used to design the shape of the abutment and the upper prosthesis.
  • the abutment and upper prosthesis design step S-23 is a process of designing the shape of the abutment and the upper prosthesis using the three-dimensional solid shape data of the final prosthesis obtained in the model scan step S-22.
  • the abutment design may be completed by selecting a specific shape from a preset ready abutment shape library and selecting the shape from a changeable range.
  • the cuff design basically has a tapered shape, and the tapered surface may be formed convexly or concavely.
  • the shape of the upper prosthesis is composed of an outer surface shape corresponding to the appearance of the final prosthesis, and a cavity shape of the portion engaged with the abutment.
  • the outer shape it is determined by using three-dimensional three-dimensional shape data of the final prosthesis obtained in the model scanning step, and in the case of the cavity shape, it is determined to secure a predetermined distance from the abutment shape.
  • the post portion of the upper margin based on the margin performs a custom design, and the cuff portion below the margin is automatically generated, thereby reducing the effort required for the abutment design.
  • the present invention starts with a preselected library selection shape or abutment preliminary shape created using the shape information of the healing abutment, thereby modifying the design.
  • a semi-customized renter that is halfway between the customized renter and the ready renter.
  • the abutment design is preferably selected from the specifications of the pre-processing material to be used for the processing, and design the shape within that range.
  • the abutment preliminary shape generated by using the shape information of the healing abutment means that the shape of the cuff has a taper shape that is automatically generated by using the size and shape information of the healing abutment, and the post is formed according to the cross-sectional size of the cuff. It means an automatically generated form.
  • the shape data of the abutment and the shape data of the upper prosthesis can be obtained.
  • a cam machining is performed in the abutment processing step (S-24) to produce a semi-custom abutment.
  • the method may further include an upper prosthesis processing step of processing the upper prosthesis from the set upper prosthesis shape data at the same time as or after the semi-custom abutment processing step.
  • the 3D solid shape of the final prosthesis is implemented and displayed from the 3D solid shape data of the final prosthesis.
  • Dividing the three-dimensional solid shape of the final prosthesis into abutment and top prosthesis becomes the design stage of the abutment and top prosthesis.
  • the abutment consists of a cuff associated with the immersion profile shape, a post and a chamfer associated with the joining of the upper prosthesis, and the present invention stores a ready-made abutment library in advance and stores it in the three-dimensional conformation of the final prosthesis.
  • the design starts with the selection of a ready-made abutment shape.
  • the abutment cuff shape is preferably set in advance.
  • the cuff should have a shape corresponding to the immersion profile, which will follow the shape of the healing zone column.
  • the renter's cuff shape eventually has the same shape as the healing renter's cuff shape.
  • the cuff shapes of the abutments stored in the existing abutment library become shapes corresponding to those of the healing abutment.
  • the cuff shape does not change during the design process, and the shape of the cuff is determined by selecting a ready abutment from the library.
  • the shape overlaps with the three-dimensional shape of the final prosthesis and is displayed.
  • the height and angle of the post can be adjusted, and the shape of the chamfer can be adjusted.
  • FIG. 3 shows the height adjustment range of the post
  • FIG. 4 shows the angle adjustment range of the post.
  • the height of the post may be selected from a range guide in which the upper prosthesis may be secured to a certain thickness while the chamfer surface may be secured to a certain width.
  • the angle of the post may be limited within a certain angle range.
  • the angle of the post is related to the load subjected to the occlusal pressure, and if it is out of a certain angular range, problems arise in durability, so it is preferable to limit the angle of the post to a certain range.
  • the manufacturing process of the abutment and the upper prosthesis can be simplified, and the bondability of the abutment and the upper prosthesis can be secured.
  • FIG. 5 is a view showing a pre-processing material used in the implant prosthesis manufacturing method according to an embodiment of the present invention.
  • the semi-custom abutment processing step may be used to process the post and the margin by using the pre-processing material 200, the fastening portion 210 and the cuff 220 is processed, but is not limited to this can also use a cut round bar material. have.
  • the round bar material as shown by the point islands are cut to a certain length, leaving the fastening portion 210 and the cuff 220 and cutting the remaining portion (parts indicated by the point islands) to manufacture the pre-processed material 200.
  • the semi-custom abutment according to the present invention is to determine the design by importing the shape from the ready-made abutment library to change the height and angle of the post, the shape of the cuff does not change in the design stage.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Optics & Photonics (AREA)
  • Physics & Mathematics (AREA)
  • Prostheses (AREA)

Abstract

La présente invention concerne un procédé de production de prothèse d'implant dentaire comprenant : une étape de préparation de modèle pour préparer un modèle en plâtre, et un modèle en cire sous la forme d'une prothèse finale par obtention de données à partir de l'environnement buccal d'un patient ; une étape de balayage de modèle en cire pour obtenir des données sur la forme stéréoscopique tridimensionnelle de la prothèse finale par balayage tridimensionnel du modèle en cire ; une étape de conception de pilier et de prothèse supérieure pour configurer des données de conception de forme de pilier semi-personnalisé et des données de conception de prothèse supérieure en utilisant les données sur la forme stéréoscopique tridimensionnelle de la prothèse finale ; et une étape de traitement de pilier semi-personnalisé pour traiter un pilier semi-personnalisé en conduisant un processus de FAO en utilisant les données de forme de pilier semi-personnalisé configuré.
PCT/KR2013/008094 2013-07-18 2013-09-06 Procédé de production de prothèse d'implant dentaire semi-personnalisé ayant un processus de production simplifié WO2015008893A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20130084650A KR20150010119A (ko) 2013-07-18 2013-07-18 제작 공정을 간소화한 세미 커스텀 치과용 임플란트 보철물 제조방법
KR10-2013-0084650 2013-07-18

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WO2015008893A1 true WO2015008893A1 (fr) 2015-01-22

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Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10709528B2 (en) 2015-02-23 2020-07-14 Osstemimplant Co., Ltd. Method for designing dental prosthesis, apparatus therefor, and recording medium having same recorded thereon
WO2016137190A1 (fr) * 2015-02-23 2016-09-01 오스템임플란트 주식회사 Procédé de conception de prothèse dentaire, appareil correspondant et support d'enregistrement sur lequel ce dernier est enregistré
DE102016003084A1 (de) * 2016-03-14 2017-09-14 CADFEM International GmbH Optimierung von Suprakonstruktionen bzw. Mesiokonstruktionen bei Zahnprothesen
KR102020397B1 (ko) * 2019-04-08 2019-11-04 문윤희 적층제조 기술을 이용한 치과용 임플란트 복합 지대주 및 그 제조방법
KR102146627B1 (ko) * 2019-05-26 2020-08-20 권혁하 Pfm 크라운 임플란트 제조 방법
KR102499007B1 (ko) * 2020-12-04 2023-02-14 오스템임플란트 주식회사 맞춤화 기성 어버트먼트를 설계, 선정, 배송 또는 시술하거나 이와 관련된 정보를 제공하는 방법, 디바이스 및 기록매체
KR102479375B1 (ko) * 2020-12-04 2022-12-20 오스템임플란트 주식회사 맞춤화 기성 어버트먼트
KR102607246B1 (ko) * 2022-12-08 2023-11-29 신천호 치과용 임플란트 보철물 제조용 스캔 정보 취득 방법 및 치과용 임플란트 보철물 제조용 스캔 정보 취득 시스템
KR102657776B1 (ko) 2023-03-02 2024-04-16 구민경 보철물 디자인 제작 시스템

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US7114952B2 (en) * 2000-09-14 2006-10-03 Debbie, Llc Abutment for dental implant and associated components for use therewith
KR100795645B1 (ko) * 2007-08-17 2008-01-17 김정한 임플란트용 일체형 어버트먼트 제조방법
KR101045004B1 (ko) * 2009-05-27 2011-07-01 주식회사 디디에스 치과 임플란트용 맞춤형 어버트먼트 가공 장치 및 방법
KR101234295B1 (ko) * 2011-03-28 2013-02-18 오스템임플란트 주식회사 치과용 임플란트 어버트먼트 및 그 치과용 임플란트 어버트먼트를 제작하는 방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7114952B2 (en) * 2000-09-14 2006-10-03 Debbie, Llc Abutment for dental implant and associated components for use therewith
KR100795645B1 (ko) * 2007-08-17 2008-01-17 김정한 임플란트용 일체형 어버트먼트 제조방법
KR101045004B1 (ko) * 2009-05-27 2011-07-01 주식회사 디디에스 치과 임플란트용 맞춤형 어버트먼트 가공 장치 및 방법
KR101234295B1 (ko) * 2011-03-28 2013-02-18 오스템임플란트 주식회사 치과용 임플란트 어버트먼트 및 그 치과용 임플란트 어버트먼트를 제작하는 방법

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