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WO1996037163A1 - Procede et dispositif de restauration dentaire assistee par ordinateur - Google Patents

Procede et dispositif de restauration dentaire assistee par ordinateur Download PDF

Info

Publication number
WO1996037163A1
WO1996037163A1 PCT/DE1996/000840 DE9600840W WO9637163A1 WO 1996037163 A1 WO1996037163 A1 WO 1996037163A1 DE 9600840 W DE9600840 W DE 9600840W WO 9637163 A1 WO9637163 A1 WO 9637163A1
Authority
WO
WIPO (PCT)
Prior art keywords
measuring device
restoration
computer
cad
central computer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/DE1996/000840
Other languages
German (de)
English (en)
Inventor
Manfred Franetzki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of WO1996037163A1 publication Critical patent/WO1996037163A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • A61C5/00—Filling or capping teeth
    • A61C5/70—Tooth crowns; Making thereof
    • A61C5/77—Methods or devices for making crowns
    • 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

Definitions

  • the geometry of the tooth to be restored and its surroundings are recorded and stored electronically.
  • the restoration inlay, onlay, crown, veneer, etc.
  • This task requires a corresponding computer and professional CAD (Computer Aided Design) work from the operator of the computer, with three-dimensional imagination and the ability to be able to construct on the screen with computer means.
  • CAD Computer Aided Design
  • the quality of the restaurant largely depends on these skills and the training status of the staff.
  • the result of this design is translated into a program for a numerically controlled grinding / milling machine.
  • the restoration is finally made from a block of material in an NC machine (CAM).
  • the restoration is placed in the patient's jaw.
  • the invention specified in claim 1 is based on the object of finding a technical solution which allows such a method and a device operating according to it to be used in dental without any special skills and training for dental personnel in computer-aided design (CAD) Use practice and thereby reduce the investment costs for the dentist.
  • CAD computer-aided design
  • the powerful computer can be equipped with more complex programs and aids, for example with optimized graphic image processing, better pattern recognition and image manipulation with tooth and restoration libraries, which permit largely automatic image interpretation and CAD activity of the computer.
  • the computer can be designed according to the principle of neural networks. This computer is through a data network module and data lines connected to the device in the dental practice.
  • a restaurant creation can therefore proceed as follows:
  • the dentist takes 3D images of the tooth to be prepared, possibly also of the neighboring and opposite teeth or of the opposite tooth impressions. Color recordings can possibly also be made with a video camera. Then the tooth is prepared in the usual way. Then 3D and possibly video images are created of the prepared tooth.
  • the images are first saved in an existing 3D measuring device at the dentist. These activities are simple and can be learned quickly by the practice staff.
  • the 3D measuring device essentially consists of a measuring camera with the associated camera electronics, a power supply unit and a screen.
  • the images are then transmitted via a data line - in the simplest case a modem connected to a telephone line can be used for this - to a data center located externally to the treatment room.
  • the central computer then delivers the restoration data back to the dentist's office via the same data line, in a form which ensures that the grinding machine located there can grind out the restoration.
  • the dentist then only needs to use the restoration on the patient. All of this happens - as before - in quick succession in one session of the patient.
  • the grinding machine need not necessarily be in the dentist's treatment room; it can also be located elsewhere, for example in a dental laboratory or in a service center that offers both the computing power and the mechanical manufacture of the restorations. In this case, however, treatment in one session will generally not be possible due to the necessary transportation of the restoration.
  • FIG. 1 shows a first embodiment in which a compact device 1 (CAD / CAM device) is set up in a room A, which is intended to represent the treatment room of a dentist in which the workplace for patient treatment is normally located.
  • a compact device is described, for example, in DE-4 030 176. It contains a 3D camera 2 with the necessary supply and imaging electronics; an integrated, here only symbolically indicated microprocessor 3 for image processing, construction and grinding machine control; a screen 4, various operating elements 5 (trackball, buttons, input foot switch), a floppy disk drive 6 for storing the original 3D images and the restorations and a grinding machine 8 arranged in a grinding chamber 7.
  • the machine can also be used in an expansion stage contain a video camera with appropriate electrical supply.
  • the video images can be saved and printed using an external printer.
  • the 3D video images can only be displayed alternatively, not simultaneously on the screen.
  • the CAD / CAM functions of the compact device 1 are not used; it is rather the original 3D images, possibly also the ones
  • this central computer is equipped with more complex programs and aids and is located outside the treatment room A, for example in a dental laboratory or in a central computer center (room B) specially created for this purpose.
  • the image interpretation and construction already mentioned is carried out there.
  • the result is retransmitted via the same data line 12 and the two data network modules 11, 10 and in
  • Memory of the microprocessor 3 of the grinding machine is stored in room A. Then the restoration is milled or ground using the machine's own resources (universal computer and grinding machine).
  • the user has no investment cost advantage with the CAD / CAM machine, but he does not have to learn and carry out the image processing and construction. So it's a gain in time, so labor costs and quality.
  • FIG. 2 shows a variant in which a PC 15 is used in room A, that is to say at the dental treatment station.
  • This PC is supplemented by a 3D camera 16, which corresponds to item 2 in FIG. 1, and possibly a video camera (not shown), with its necessary electronics.
  • the electronics can be arranged externally in their own housings and / or as a plug-in card (s) in the PC.
  • the PC 15 also has the necessary interface cards to be able to connect it to the data networks shown here, e.g. via modem.
  • the images generated by the cameras are temporarily stored on PC's own memory and can be checked for suitability by the practitioner on the screen.
  • the usable images can then be transmitted to central computer 13 in room B, as in variant 1, processed there and the result then 6 are retransmitted again, either in the above-mentioned PC or - with appropriate equipment - directly into the grinding machine 17 (which in this case is designed without a monitor). This is followed by the production of the restaurant, etc.
  • the grinding machine can be controlled directly by the PC or a processor installed in the grinding machine; in the latter case it would be a CNC machine.
  • FIG. 3 shows a further variant, which essentially differs from that shown in FIG. 2 in that one or more cameras are arranged on a DV box 20 located directly at the dental treatment station.
  • the DV box 20 is advantageously designed as a 3D measuring device and, in the simplest version, contains the already mentioned SD measuring camera with corresponding electronics, a screen and a power supply unit.
  • the computer 24 is connected to the grinding machine 17 via a data transmission line 27.
  • variants 2 and 3 compared to those of variant 1 are that a PC already available for other purposes (with all memory and peripheral components) can be used, which reduces the cost of the CAD / CAM system reduced and it allows to use the increased performance of a new PC generation.

Landscapes

  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Dental Prosthetics (AREA)

Abstract

L'invention concerne un procédé et un dispositif de restauration dentaire assistée par ordinateur. Selon ce procédé, dans une première étape, la géométrie de la dent à restaurer est mémorisée à l'aide d'un dispositif de mesure. Dans une deuxième étape, l'image de la dent est interprétée, dans une troisième étape, l'élément de restauration est construit par CAO et dans une quatrième étape, ledit élément de restauration est fraisé dans un bloc de matériau approprié à la restauration, à l'aide d'un dispositif de meulage à commande numérique (CAM). Selon l'invention, la fonction CAO/CAM, en d'autres termes, les étapes 2, 3 et en partie 4, est transférée à un ordinateur central (13) puissant qui dispose des outils correspondants. L'ordinateur travaille dans une large mesure en mode automatique. Lorsque c'est nécessaire, il est actionné par un opérateur chevronné et est relié par ligne de données à l'appareil de mesure en 3D (2 et 15, 20) et au dispositif de meulage (17).
PCT/DE1996/000840 1995-05-22 1996-05-13 Procede et dispositif de restauration dentaire assistee par ordinateur Ceased WO1996037163A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19518702A DE19518702C2 (de) 1995-05-22 1995-05-22 Verfahren und Einrichtung zur rechnergestützten Restauration von Zähnen
DE19518702.4 1995-05-22

Publications (1)

Publication Number Publication Date
WO1996037163A1 true WO1996037163A1 (fr) 1996-11-28

Family

ID=7762538

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1996/000840 Ceased WO1996037163A1 (fr) 1995-05-22 1996-05-13 Procede et dispositif de restauration dentaire assistee par ordinateur

Country Status (2)

Country Link
DE (1) DE19518702C2 (fr)
WO (1) WO1996037163A1 (fr)

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998044865A1 (fr) * 1997-04-10 1998-10-15 Nobel Biocare Ab (Publ) Configuration et systeme de fabrication de produits dentaires et transmission d'informations
DE19724724A1 (de) * 1997-06-12 1998-12-24 Matthias Dr Weiler Verfahren zur Herstellung eines Knochenaugmentats sowie Knochenaugmentat
WO1999013796A1 (fr) * 1997-09-17 1999-03-25 Decim Ab Technique de fabrication de corps dentaire et ebauche correspondante
WO2001035854A1 (fr) 1999-11-17 2001-05-25 3M Innovative Properties Company Ebauche de fraisage pour prothese dentaire
WO2001085054A1 (fr) 2000-05-09 2001-11-15 3M Innovative Properties Company Modeles dentaires et procedes de fixation associes
WO2002017815A1 (fr) 2000-08-31 2002-03-07 3M Innovative Properties Company Ebauche pour fraisage dentaire et ensemble support
GB2374016A (en) * 2001-01-31 2002-10-09 Gc Kk Process for preparing dental prosthesis
WO2003057068A1 (fr) 2001-12-21 2003-07-17 3M Innovative Properties Company Modeles dentaires amovibles
US6821123B2 (en) 1997-04-10 2004-11-23 Nobel Biocare Ab Arrangement and system for production of dental products and transmission of information
WO2005055856A1 (fr) * 2003-12-10 2005-06-23 Nobel Biocare Ab (Publ) Systeme et agencement pour la production et l'insertion d'une structure de pont dentaire
US6913666B1 (en) 1997-03-21 2005-07-05 Woodwelding Ag Process for anchoring connecting elements in a material with pores or cavities and connecting elements therefor
US6921264B2 (en) 2002-08-23 2005-07-26 Woodwelding Ag Implant to be implanted in bone tissue or in bone tissue supplemented with bone substitute material
US6955540B2 (en) 2002-08-23 2005-10-18 Woodwelding Ag Preparation for being fastened on a natural tooth part or tooth and corresponding fastening method
US7079914B2 (en) 2001-12-28 2006-07-18 Nobel Biocare Ab System and method for producing a three-dimensional body comprising bone or tissue-compatible material
US7160405B2 (en) 1999-06-18 2007-01-09 Woodwelding Ag Integral joining
US7335205B2 (en) 2001-03-02 2008-02-26 Woodwelding Ag Implants, device and method for joining tissue parts
US7708560B2 (en) 2004-11-22 2010-05-04 3M Innovative Properties Company System and method for manufacturing dental prostheses
US7950924B2 (en) 2001-12-28 2011-05-31 Nobel Biocare Services Ag Arrangement and device for using a template to form holes for implants in bone, preferably jaw bone
USRE43584E1 (en) 2000-12-29 2012-08-14 Nobel Biocare Services Ag Method, arrangement and program for a prosthetic installation
US8540510B2 (en) 2006-05-04 2013-09-24 Nobel Biocare Services Ag Device for securing a dental implant in bone tissue, a method for making a surgical template and a method of securing a dental implant in bone tissue
US9348973B2 (en) 2009-05-18 2016-05-24 Nobel Biocare Services Ag Method and system providing improved data matching for virtual planning
CN107126273A (zh) * 2017-05-23 2017-09-05 高艳云 多功能补牙系统
US10206757B2 (en) 2007-01-10 2019-02-19 Nobel Biocare Services Ag Method and system for dental planning and production
CN119112397A (zh) * 2024-09-11 2024-12-13 荆门市人民医院(荆楚理工学院附属中心医院) 一种口腔正畸微动力系统操作控制方法与系统

Families Citing this family (10)

* Cited by examiner, † Cited by third party
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NL1007059C2 (nl) * 1997-09-17 1998-10-09 Cordent Multi Media B V Gebitstechnisch beeldverwerkingssysteem.
DE19838238A1 (de) 1998-08-22 2000-03-02 Girrbach Dental Gmbh Verfahren zur rechnergesteuerten Herstellung von Zahnersatz
DE19922279A1 (de) * 1999-05-11 2000-11-16 Friedrich Schiller Uni Jena Bu Verfahren zur Generierung patientenspezifischer Implantate
DE19922870A1 (de) * 1999-05-19 2000-12-07 Paul Weigl Verfahren zur automatischen, individuell angepaßten Farb-, Transluzenz-, Helligkeits- und Fluoreszenzgebung von zahntechnischen Restaurationen
FR2824254B1 (fr) * 2001-05-07 2004-04-02 Medcom Procede de prise d'empreinte pour la realisation d'une prothese dentaire et architecture d'appareillages pour sa mise en oeuvre
US20060212154A1 (en) * 2003-07-14 2006-09-21 Philip Von Schroeter Method for representing a dental object and for producing dentures
DE102005029454A1 (de) * 2005-06-24 2007-01-04 Implant & 3D Planungscenter GbR (vertretungsberechtigte Gesellschafter Dr. Jan Kielhorn, 74629 Pfedelbach, Gerhard Stachulla, 86444 Affing, Marcel Liedtke, 86447 Todtenweis) Verfahren und System zum Begutachten einer Implantatsplanung
DE102005056565B4 (de) * 2005-11-25 2013-05-29 Heiko Schafberg Verfahren zur Herstellung eines vergrößerten Modells der Zahnsituation eines Patienten
US9408686B1 (en) 2012-01-20 2016-08-09 Conformis, Inc. Devices, systems and methods for manufacturing orthopedic implants
EP3666220B1 (fr) 2018-12-10 2021-07-07 Sirona Dental Systems GmbH Procédé de conception et de fabrication d'un composant dentaire

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WO1994010935A1 (fr) * 1992-11-09 1994-05-26 Ormco Corporation Procede et appareil de formation d'appareils orthodondiques personnalises
WO1995015731A1 (fr) * 1993-12-06 1995-06-15 Nobelpharma Ab Procede et systeme de collecte de donnees pour la production d'elements de support artificiels ou de pieces de remplacement pour le corps humain

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DE3171266D1 (en) * 1980-12-24 1985-08-08 Mormann Werner H Process for the manufacture of medical and dental, alloplastic, endoprosthetic and exoprosthetic fittings
DE4030176A1 (de) * 1990-09-24 1992-03-26 Siemens Ag Verfahren zum kalibrieren eines motorisch angetriebenen werkzeuges in bezug auf ein mit diesem zu bearbeitendes werkstueck sowie vorrichtung zur durchfuehrung des verfahren

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
WO1994010935A1 (fr) * 1992-11-09 1994-05-26 Ormco Corporation Procede et appareil de formation d'appareils orthodondiques personnalises
WO1995015731A1 (fr) * 1993-12-06 1995-06-15 Nobelpharma Ab Procede et systeme de collecte de donnees pour la production d'elements de support artificiels ou de pieces de remplacement pour le corps humain

Cited By (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6913666B1 (en) 1997-03-21 2005-07-05 Woodwelding Ag Process for anchoring connecting elements in a material with pores or cavities and connecting elements therefor
WO1998044865A1 (fr) * 1997-04-10 1998-10-15 Nobel Biocare Ab (Publ) Configuration et systeme de fabrication de produits dentaires et transmission d'informations
US6821123B2 (en) 1997-04-10 2004-11-23 Nobel Biocare Ab Arrangement and system for production of dental products and transmission of information
DE19724724A1 (de) * 1997-06-12 1998-12-24 Matthias Dr Weiler Verfahren zur Herstellung eines Knochenaugmentats sowie Knochenaugmentat
WO1999013796A1 (fr) * 1997-09-17 1999-03-25 Decim Ab Technique de fabrication de corps dentaire et ebauche correspondante
US7815409B2 (en) 1999-06-18 2010-10-19 Woodwelding Ag Integral joining
US7160405B2 (en) 1999-06-18 2007-01-09 Woodwelding Ag Integral joining
WO2001035854A1 (fr) 1999-11-17 2001-05-25 3M Innovative Properties Company Ebauche de fraisage pour prothese dentaire
WO2001085054A1 (fr) 2000-05-09 2001-11-15 3M Innovative Properties Company Modeles dentaires et procedes de fixation associes
WO2002017815A1 (fr) 2000-08-31 2002-03-07 3M Innovative Properties Company Ebauche pour fraisage dentaire et ensemble support
US6482284B1 (en) 2000-08-31 2002-11-19 3M Innovative Properties Company Method of making a dental mill blank and support stub assembly
US6627327B2 (en) 2000-08-31 2003-09-30 3M Innovative Properties Company Dental mill blank and support stub assembly
USRE43584E1 (en) 2000-12-29 2012-08-14 Nobel Biocare Services Ag Method, arrangement and program for a prosthetic installation
US6835066B2 (en) 2001-01-31 2004-12-28 Gc Corporation Process for preparing dental prosthesis
GB2374016A (en) * 2001-01-31 2002-10-09 Gc Kk Process for preparing dental prosthesis
US9216083B2 (en) 2001-03-02 2015-12-22 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US8932337B2 (en) 2001-03-02 2015-01-13 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US9924988B2 (en) 2001-03-02 2018-03-27 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US7335205B2 (en) 2001-03-02 2008-02-26 Woodwelding Ag Implants, device and method for joining tissue parts
US9615872B2 (en) 2001-03-02 2017-04-11 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US8945192B2 (en) 2001-03-02 2015-02-03 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
WO2003057068A1 (fr) 2001-12-21 2003-07-17 3M Innovative Properties Company Modeles dentaires amovibles
US7079914B2 (en) 2001-12-28 2006-07-18 Nobel Biocare Ab System and method for producing a three-dimensional body comprising bone or tissue-compatible material
US7950924B2 (en) 2001-12-28 2011-05-31 Nobel Biocare Services Ag Arrangement and device for using a template to form holes for implants in bone, preferably jaw bone
US8142189B2 (en) 2001-12-28 2012-03-27 Noble Biocare Services AG Arrangement and device for using a template to form holes for implants in bone, preferably jaw bone
US6955540B2 (en) 2002-08-23 2005-10-18 Woodwelding Ag Preparation for being fastened on a natural tooth part or tooth and corresponding fastening method
US7008226B2 (en) 2002-08-23 2006-03-07 Woodwelding Ag Implant, in particular a dental implant
US6921264B2 (en) 2002-08-23 2005-07-26 Woodwelding Ag Implant to be implanted in bone tissue or in bone tissue supplemented with bone substitute material
KR101156077B1 (ko) * 2003-12-10 2012-06-28 노벨 바이오케어 서비시스 아게 가공의치 구조의 제조 및 삽입을 위한 시스템 및 구성
WO2005055856A1 (fr) * 2003-12-10 2005-06-23 Nobel Biocare Ab (Publ) Systeme et agencement pour la production et l'insertion d'une structure de pont dentaire
US8186999B2 (en) 2003-12-10 2012-05-29 Nobel Biocare Services Ag System and arrangement for production and insertion of a dental bridge structure
EP1694235A1 (fr) * 2003-12-10 2006-08-30 Nobel Biocare AB (publ) Systeme et agencement pour la production et l'insertion d'une structure de pont dentaire
US7708560B2 (en) 2004-11-22 2010-05-04 3M Innovative Properties Company System and method for manufacturing dental prostheses
US8540510B2 (en) 2006-05-04 2013-09-24 Nobel Biocare Services Ag Device for securing a dental implant in bone tissue, a method for making a surgical template and a method of securing a dental implant in bone tissue
US10206757B2 (en) 2007-01-10 2019-02-19 Nobel Biocare Services Ag Method and system for dental planning and production
US9348973B2 (en) 2009-05-18 2016-05-24 Nobel Biocare Services Ag Method and system providing improved data matching for virtual planning
CN107126273A (zh) * 2017-05-23 2017-09-05 高艳云 多功能补牙系统
CN107536648A (zh) * 2017-05-23 2018-01-05 高艳云 智能化牙科治疗床
CN119112397A (zh) * 2024-09-11 2024-12-13 荆门市人民医院(荆楚理工学院附属中心医院) 一种口腔正畸微动力系统操作控制方法与系统

Also Published As

Publication number Publication date
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DE19518702A1 (de) 1996-11-28

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