WO2011073436A1 - Dispositif et procédé d'acquisition intra-buccale de données tridimensionnelles - Google Patents

Dispositif et procédé d'acquisition intra-buccale de données tridimensionnelles Download PDF

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Publication number
WO2011073436A1
WO2011073436A1 PCT/EP2010/070166 EP2010070166W WO2011073436A1 WO 2011073436 A1 WO2011073436 A1 WO 2011073436A1 EP 2010070166 W EP2010070166 W EP 2010070166W WO 2011073436 A1 WO2011073436 A1 WO 2011073436A1
Authority
WO
WIPO (PCT)
Prior art keywords
jaw
intraoral
bearing elements
measuring
teeth
Prior art date
Application number
PCT/EP2010/070166
Other languages
German (de)
English (en)
Inventor
Albert Mehl
Thomas Schneider
Original Assignee
Universität Zürich
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 Universität Zürich filed Critical Universität Zürich
Priority to DE112010004857.6T priority Critical patent/DE112010004857B4/de
Publication of WO2011073436A1 publication Critical patent/WO2011073436A1/fr

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Classifications

    • 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
    • A61C19/045—Measuring instruments specially adapted for dentistry for recording mandibular movement, e.g. face bows
    • 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
    • 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
    • A61C9/0086—Acoustic means or methods

Definitions

  • the present invention relates to a device for measuring pines and parts thereof and a corresponding surveying method. Jaw. Further
  • Uses of the device of the invention include intraoral draining in intraoral shots and other dental treatment and diagnostic procedures.
  • Tooth surfaces can be scanned three-dimensionally with different measuring systems.
  • Intraoral measuring systems are e.g. in EP 1 984 785 and US 4,575,805. It is also known that various methods measure mandibular movements in all degrees of freedom.
  • US Pat. No. 6,152,731 describes a method for digitizing the tooth surfaces of the upper and lower jaw and relating them to one another via joint axes. It is also known according to the patent DE 35 74 340, to measure lower jaw movements in all degrees of freedom and to record the position data by means of arithmetic unit.
  • this publication describes how to determine three-dimensional measuring points in the area of the tooth surfaces by means of a stylus tip.
  • DE 102 18 435 finally presents a method for determining the positions of the lower jaw and upper jaw in relation to the position of the electronic registration system which records the jaw joint movements.
  • a bite plate or bite fork is used which has markings which in a known position, for example, to a magnetic receiving plate for the
  • Measuring sensors stand. If the impressions of the tooth surfaces are measured together with the markings, the desired assignment is obtained.
  • the present invention is therefore based on the object of providing an intraoral system for SD data acquisition, in particular of teeth, jaw elements and whole jaw and of jaw movements, which overcomes the above-mentioned disadvantages of known methods and devices therefor.
  • the present invention provides a device for measuring pines or parts thereof and / or for intra-oral draining, comprising a frame with bearing elements for attachment to the jaw, the
  • Bearing member adapted to exert a force on the jaw, which is aligned substantially transverse to the force of the two intraoral bearing elements
  • At least one further bearing element which preferably acts extraorally on the upper or lower jaw and which is designed to support the frame under the lower jaw front teeth or above the upper jaw front teeth in relation to the jaw,
  • the device according to the invention preferably has one or more extraoral holders for a measuring device (s) or measuring sensor system, the holder (s) being / is rigidly connected to the device. More preferred is / are at the /
  • Holder (s) one or more measuring devices extraorally attached to the lower or upper jaw.
  • the lateral intraoral bearing elements are spreading apart
  • Clamps are arranged, which surround the contour of the jaw at least partially, wherein the bearing elements are formed to cooperate with teeth of the jaw and wherein the brackets are arranged on the jaw to be movable or resilient (see for example Fig. 1, 2, 3, 6, 7, 15-17).
  • the middle intraoral bearing element in a holder such that it is mounted on the jaw to be movable and / or rotatable so that it interacts with teeth of the jaw.
  • the relative position of the lateral and middle intraoral bearing elements to each other adjustable and fastened is further preferred.
  • the further bearing element on the frame displaceable below or above the lateral and middle intraoral bearing elements.
  • the lateral intraoral bearing elements and / or the middle intraoral bearing element are designed as conical tips which engage between the teeth.
  • the further, preferably extra-oral bearing element is designed as a chin rest.
  • intraoral bearing elements and / or the further, preferably extraoral, bearing element are interchangeable.
  • intraoral holders for measuring sensors which are preferably rigidly connected to the device, and / or structured, preferably intra-oral, reference markers are provided.
  • the components of the device are at least partially for
  • parts of the device at least in the relevant radiation or viewing areas, consist of materials which have a
  • radiopacity in the form that at least parts of this device in conventional X-rays, in 3D X-ray images (DVT, CT) or magnetic resonance imaging (MRI) can be seen without this larger areas of the rows of teeth are covered.
  • the device according to the invention is in particular for
  • Another object of the present invention is a method for measuring a jaw or parts thereof, comprising the steps
  • the measuring device (s) can be attached to the device, and / or they can be guided separately from the device.
  • inventive method is from the position of one or more structured reference marker (s), the /
  • a dynamic three-dimensional jaw model is created by the optical measuring device or measuring sensor system detecting the relative movement of the lower or upper jaw.
  • the device is attachable to the lower or upper jaw by intraoral bearing elements with teeth of the lower or upper jaw cooperate by applying a holding force and another, for example.
  • the measuring device (s) used for measuring the jaw or parts thereof or in the device according to the invention can, for example, comprise one or more optical sensors, ultrasonic sensors, motion sensors, pressure sensors and combinations thereof.
  • additional 3D data sets are created by means of DVT, CT and / or MRT and these data records are registered with the intraorally measured data records.
  • a fourth support e.g. provided on the chin to stiffen the entire system.
  • FIGS. 1 to 5 an embodiment of the device according to the invention is shown for this purpose.
  • a significant advantage is that attachment is very fast, only a very small portion of the tooth surface is covered for optical impression, and the entire device is immediately reusable for the next patient. This is primarily ensured by the fact that the one support, preferably the support in the incisal area (3), by a screw or clamping (spring) device (6) is attached.
  • the other two editions preferably in the left and right
  • Posterior region (1, 2) can contribute to attachment by either spring tension (spring band) (1 1, 12) or screwing devices (15) (e.g., Figures 1 and 6). It should be ensured that a certain freedom of positioning of the individual pads is present so that the device can be used for the largest possible number of patients, each with different teeth and tooth sizes.
  • parts of the device are preferably detected together with the teeth on the individual optical recordings.
  • this serves to draw conclusions about the positioning of the measuring sensor electronics from the position of certain elements or element parts of the device, if their mutual position is known by the component geometries.
  • this improves the registration of the intraoral single images into an overall 3D model, and thus makes jaw imaging faster and more accurate.
  • it is possible to improve the requirements for optical detection and registration by providing certain surface parts of the device or also the entire device with a structure and coating suitable for the optical measurement or by attaching additional elements which comprise them
  • the coupling of an extra-oral measuring sensor system is e.g. intended for the recording of jaw movements or for the determination of position of any kind.
  • This can, as shown in Figures 1 and 6, e.g. via a torsion-free stable rod (9) which is connected on one side firmly to the element (8) and on the other side to a receiving plate (7) for the measuring unit (see, eg, FIGS. 1, 2, 6, 7 , 15-17).
  • the measuring unit can be mounted only in a clearly defined position, from which any further individual sensor position can be calculated (see FIGS. 9 and 10).
  • any further individual sensor position can be calculated (see FIGS. 9 and 10).
  • the extra-oral holder in order, for example, to also fix measuring devices for the intraoral measurement or to use it as a support for support (for example Sirona BlueCam measuring camera). This can also be done via pivoting or Schaniervorraumen that allow a guided movement of the intraoral measuring device.
  • Device is possible. It is further provided according to the invention to extend the method explicitly to the use of intraoral sensors, which are connected in a defined manner with the device (indirect position determination) or whose position is also detected directly by means of intraoral 3D measurement.
  • This can be, for example, small cameras, lasers,
  • Ultrasonic sensors or motion sensors that record the movements or the distance at any time to the respective antagonist jaw. Furthermore, these may also be pressure sensors which determine the load during chewing or the occlusal contact points. A spatial assignment of the individual measured values to the 3D spatial data of the tooth surfaces is again clearly possible with the aid of the device.
  • Coupling units of the measuring sensors (indirectly) or to the measuring sensors themselves (directly) are located and this relation does not change independently of the application and the situation of the jaw (size, toothing etc).
  • the position of the measuring sensors can be calculated directly from the intraoral 3D image. This is preferably done by software programs that look for known structures / elements in the 3D image, register these structures / elements to each other, and thus control the positions of other elements of the device, such as the device.
  • Measuring sensors can calculate. Of course, the manual clicking of
  • Embodiments of the measuring sensors which may be coupled to the device are e.g. optical measuring systems (transit time measurement, triangulation, strip projection, color measurement, etc.), ultrasound systems, motion sensors, pressure sensors, etc.
  • optical measuring systems transmission time measurement, triangulation, strip projection, color measurement, etc.
  • ultrasound systems motion sensors, pressure sensors, etc.
  • hinge device (14) so that the one support (3) and / or the other two supports (1, 2) have a certain rotational freedom, which is stiffened when tightening the screw or fixing the entire system again.
  • Embodiments are shown in Figures 6 and 7.
  • the two other conditions are additionally fixed by a screw device, wherein an eccentric at non-symmetrical support points allows a certain positioning flexibility of the support points (Fig. 6 and 7).
  • a further embodiment such that the fourth support element (4) by a sliding mechanism (9) can be easily, quickly and safely stabilized in position.
  • Fig. 2 it can be seen how this can be implemented. By squeezing two spring bands, the rod (5) can slide, releasing the current position of the rod is fixed.
  • the intraoral supports or bearing elements can be designed differently. In well-toothed jaw situation, a conical shape has proved to be very suitable (see Fig. 3, 10, 1 1). This allows intervening in the interdental space and thus allows the best possible, in all three directions limited fixation.
  • the support cone made of Teflon or other tooth-friendly material with a slightly roughened surface and rounded tip.
  • the inclination of the cones preferably goes up slightly to optimally fit the interdental papilla
  • the device includes a mechanism to exchange and combine the pads as needed. This can either be with Screw connections are made or by spring-loaded "rider" rails.Other conventional designs are familiar to a person skilled in the art.
  • This support element is preferably made
  • a weight-saving construction of the device is preferably provided. This can e.g. using glass fiber reinforced elements, aluminum parts, recesses and
  • Claims are shown in addition to the soft tissues and tooth surfaces and shares of the device in the three-dimensional data set. For various purposes, it may therefore be useful to at least partially remove these portions of the device. This can e.g. automatically by software.
  • TMJ parameters the creation of a three-dimensional data set of
  • the device When draining, it is also provided according to the invention to use the device in the way in which attached to this other other devices (eg suckers, brackets, wire frames, etc.), the other soft tissues such as cheeks, tongue, lips, etc. hold and or absorb oral fluid. Also for other diagnostic purposes or position determinations elements can be attached to the device according to the invention, which are suitable for the corresponding purposes (eg for rails and Drilling templates, Lego bricks, balls, X-ray opaque materials for wax-ups, backward-planing etc).
  • the device for registering 2D or 3D data sets from other imaging diagnostic methods with the intraoral measurement data sets.
  • the diagnostic imaging techniques may be conventional X-ray images, volume data sets from DVT (digital volume tomography), any type of computed tomography (CT), or magnetic resonance imaging (MRI).
  • the device is preferably designed so that it at least partially
  • both data sets can thus be superimposed (registered) in a simpler and more accurate manner on the basis of the structures of the device, and thus the information can be increased.

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

Abstract

La présente invention concerne un dispositif conçu pour mesurer des mâchoires et des parties de mâchoires, ainsi qu'un procédé de mesure correspondant. Le dispositif de l'invention convient également à d'autres utilisations, et notamment au drainage intra-buccal à l'occasion d'acquisitions de données intra-buccales et d'autres méthodes de traitement et de diagnostic dentaires.
PCT/EP2010/070166 2009-12-17 2010-12-17 Dispositif et procédé d'acquisition intra-buccale de données tridimensionnelles WO2011073436A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112010004857.6T DE112010004857B4 (de) 2009-12-17 2010-12-17 Vorrichtung und Verfahren zur intraoralen 3D-Datenerfassung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09179725 2009-12-17
EP09179725.8 2009-12-17

Publications (1)

Publication Number Publication Date
WO2011073436A1 true WO2011073436A1 (fr) 2011-06-23

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DE (1) DE112010004857B4 (fr)
WO (1) WO2011073436A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014139944A1 (fr) * 2013-03-11 2014-09-18 Polymetric GmbH Procédé de superposition de représentations numérisées et dispositif de marquage de référence
WO2016034672A1 (fr) * 2014-09-04 2016-03-10 3Shape A/S Arc facial et méthode d'utilisation d'arc facial
WO2016142264A1 (fr) * 2015-03-06 2016-09-15 Forstgarten International Holding Gmbh Suivi d'un mouvement dentaire
CN114886589A (zh) * 2022-04-15 2022-08-12 杭州口腔医院集团有限公司 一种3d打印采集下颌运动的固定装置及方法

Citations (8)

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Publication number Priority date Publication date Assignee Title
US4575805A (en) 1980-12-24 1986-03-11 Moermann Werner H Method and apparatus for the fabrication of custom-shaped implants
EP0188819A1 (fr) * 1985-01-10 1986-07-30 Markus Dr. Hansen Dispositif pour mesurer les positions et mouvements de la mâchoire inférieure relativement à la mâchoire supérieure
DE3620404A1 (de) * 1986-06-18 1988-01-07 Dieter Dr Dr Edinger Messvorrichtung zur aufzeichnung und reproduktion von unterkieferbewegungen
DE4112080A1 (de) * 1991-04-12 1992-10-15 Klaus Dipl Ing Dr Dr Baeuerle Bewegungsmessgeraet fuer kieferbewegungen und koerperbewegungen
US6152731A (en) 1997-09-22 2000-11-28 3M Innovative Properties Company Methods for use in dental articulation
US20030204150A1 (en) * 2002-04-25 2003-10-30 Wolfgang Brunner Method and apparatus for the 3-dimensional analysis of movement of the tooth surfaces of the maxilla in relation to the mandible
DE202005010987U1 (de) * 2005-07-11 2005-09-29 Senghaas, Thomas Virtuelle zahnärztliche Funktionsanalyse mit einem Dentalen-Positionierungs-System
EP1984785A1 (fr) 2006-02-13 2008-10-29 3M Innovative Properties Company Traitement d'image tridimensionnel monoculaire

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DE10236333A1 (de) * 2002-08-08 2004-02-19 Berger, Roland, Dr.med.dent. Vorrichtung und Verfahren zur Artikulationsanalyse
DE10342536A1 (de) * 2003-09-12 2005-04-21 Walter Georg Sebald Registrierplattenhalteeinrichtung für die instrumentelle Funktionsdiagnostik auf dem Gebiete der Zahnheilkunde

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US4575805A (en) 1980-12-24 1986-03-11 Moermann Werner H Method and apparatus for the fabrication of custom-shaped implants
EP0188819A1 (fr) * 1985-01-10 1986-07-30 Markus Dr. Hansen Dispositif pour mesurer les positions et mouvements de la mâchoire inférieure relativement à la mâchoire supérieure
DE3620404A1 (de) * 1986-06-18 1988-01-07 Dieter Dr Dr Edinger Messvorrichtung zur aufzeichnung und reproduktion von unterkieferbewegungen
DE4112080A1 (de) * 1991-04-12 1992-10-15 Klaus Dipl Ing Dr Dr Baeuerle Bewegungsmessgeraet fuer kieferbewegungen und koerperbewegungen
US6152731A (en) 1997-09-22 2000-11-28 3M Innovative Properties Company Methods for use in dental articulation
US20030204150A1 (en) * 2002-04-25 2003-10-30 Wolfgang Brunner Method and apparatus for the 3-dimensional analysis of movement of the tooth surfaces of the maxilla in relation to the mandible
DE10218435A1 (de) 2002-04-25 2003-11-13 Zebris Medizintechnik Gmbh Verfahren und Vorrichtung zur 3-dimensionalen Bewegungsanalyse von Zahnoberflächen des Oberkiefers in Relation zum Unterkiefer
DE202005010987U1 (de) * 2005-07-11 2005-09-29 Senghaas, Thomas Virtuelle zahnärztliche Funktionsanalyse mit einem Dentalen-Positionierungs-System
EP1984785A1 (fr) 2006-02-13 2008-10-29 3M Innovative Properties Company Traitement d'image tridimensionnel monoculaire

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014139944A1 (fr) * 2013-03-11 2014-09-18 Polymetric GmbH Procédé de superposition de représentations numérisées et dispositif de marquage de référence
WO2016034672A1 (fr) * 2014-09-04 2016-03-10 3Shape A/S Arc facial et méthode d'utilisation d'arc facial
US10561479B2 (en) 2014-09-04 2020-02-18 3Shape A/S Facebow and method of using a facebow
WO2016142264A1 (fr) * 2015-03-06 2016-09-15 Forstgarten International Holding Gmbh Suivi d'un mouvement dentaire
CN107530154A (zh) * 2015-03-06 2018-01-02 福斯特加滕国际控股有限公司 牙齿运动跟踪
US10485451B2 (en) 2015-03-06 2019-11-26 Forstgarten International Holding Gmbh Tracking a dental movement
CN107530154B (zh) * 2015-03-06 2020-11-03 福斯特加滕国际控股有限公司 牙齿运动跟踪
CN114886589A (zh) * 2022-04-15 2022-08-12 杭州口腔医院集团有限公司 一种3d打印采集下颌运动的固定装置及方法
CN114886589B (zh) * 2022-04-15 2024-01-09 杭州口腔医院集团有限公司 一种3d打印采集下颌运动的固定装置

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Publication number Publication date
DE112010004857B4 (de) 2017-06-08
DE112010004857A5 (de) 2012-12-06

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