EP1922013A1 - Procede pour realiser des organes de guidage pour guider un instrument chirurgical, et organe de guidage realise grace a ce procede - Google Patents

Procede pour realiser des organes de guidage pour guider un instrument chirurgical, et organe de guidage realise grace a ce procede

Info

Publication number
EP1922013A1
EP1922013A1 EP06761269A EP06761269A EP1922013A1 EP 1922013 A1 EP1922013 A1 EP 1922013A1 EP 06761269 A EP06761269 A EP 06761269A EP 06761269 A EP06761269 A EP 06761269A EP 1922013 A1 EP1922013 A1 EP 1922013A1
Authority
EP
European Patent Office
Prior art keywords
guide member
positioning
holder
guiding
human body
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.)
Withdrawn
Application number
EP06761269A
Other languages
German (de)
English (en)
Inventor
Lukas Kamer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1922013A1 publication Critical patent/EP1922013A1/fr
Withdrawn legal-status Critical Current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
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/082—Positioning or guiding, e.g. of drills
    • A61C1/084—Positioning or guiding, e.g. of drills of 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
    • A61C13/0003—Making bridge-work, inlays, implants or the like
    • A61C13/0004—Computer-assisted sizing or machining of dental prostheses

Definitions

  • the invention relates to a method for producing a guide member for guiding a surgical instrument, wherein a holder which can be repositioned on the human body is produced, three - dimensional radiological information is obtained from this holder and the area of the human body to be treated, with this information a virtual model of the computer At least one axis is determined on the basis of this virtual model and this axis is transferred to the repositionable holder.
  • the invention also relates to a guide member produced by the said method.
  • a method of the type mentioned has become known, for example, from WO 2005/023138 A. This procedure is used for the insertion of dental implants with an intervention in the jaw area, with which a missing tooth is replaced.
  • the implant is anchored in the bone and is made, for example, of titanium or a titanium alloy.
  • An artificial dental crown is attached to the anchored implant.
  • the anatomical conditions such as the location of adjacent tooth roots, the Position of the antrum and intraosseous blood vessels and nerves, taking into account bone quality and quantity as well as aesthetic and functional aspects.
  • the bone is routinely exposed locally by preparation of a soft tissue flap.
  • the location and direction of the bone bore are usually determined manually or by eye.
  • Various technical aids for the positioning of dental implants are now known.
  • a plastic rail equipped with metal balls is used, which is fastened to the teeth or to the alveolar ridge of the patient before the X-ray diagnostics.
  • CT computed tomography
  • other slice imaging methods the position of the metal balls is correlated with the clinical situation. This is to create a drilling aid.
  • a suitable drilling aid is seen in the fact that on the one hand it can considerably simplify the surgical procedure technically and on the other hand allows an implant bore without preparing a soft tissue flap.
  • surgery time, operative trauma and subsequent postoperative complications such as swelling, pain, bleeding and infection could be reduced and ultimately patient safety and patient comfort increased.
  • a model for example a plaster model, must be produced by the jaw, which is comparatively expensive.
  • the invention has for its object to provide a method and a management body, which avoid the difficulties mentioned.
  • the invention should enable a simpler and more cost-effective production of a guide member.
  • the invention has for its object to provide a method of the type mentioned, which allows a more cost-effective production of the guide member.
  • the holder fastening means such as a modelable mass or a screw and is attached with this directly to the area to be treated, for example, the jaw of a patient or another bone.
  • the mouldable mass is plastically deformed or modeled according to the shape of the area, for example, the shape of the patient's teeth, and then can be repositioned very accurately due to the impression.
  • the composition hardens or is cured after molding.
  • the mass may be formed so that it cures on the patient and is removed in at least partially cured state, for example, from the patient's jaw.
  • the guiding member consists of a carrier and the said mass, wherein the carrier consists of a comparatively stable material, for example of a suitable plastic.
  • the carrier may be formed as a vessel or container which receives the modelable mass.
  • means are arranged on the guide member with which a computer-aided spatially defined coordinate system is generated. These means can be formed by the said carrier, thus providing another Function takes over.
  • a body which is suitable for generating a coordinate system can also be attached to the carrier of the guide member.
  • This body is preferably non-circular and / or made of a substantially metal-free material.
  • the body may be made of a radiopaque plastic and contain barium sulfate in an amount that makes the body radiologically more visible.
  • a positioning means which can be fastened in the desired position on the guide member and which marks the suitable clinical position of a tooth to be implanted, taking into account the opposing jaw.
  • This positioning means provides a clinical position marker that can later be controlled on the computer model and optimized as needed.
  • the positioning means consists in particular of a pin and a fastening mechanism on the guide member.
  • the clinical position indicating part of the positioning means is radiologically visible.
  • the attachment of the positioning means is carried out according to an embodiment of the invention with an attached to the guide member grid and in particular micro-grid.
  • the positioning means can then be placed in the desired position on the holder. But there are also other fastening devices conceivable.
  • computer tomography can be used here, which is particularly suitable for the spatial representation and assessment of the bone tissue, ie the implant-bearing tissue.
  • digital volume tomography also known as Cone Beam Computed Tomography (CBCT)
  • CBCT Cone Beam Computed Tomography
  • Radiation exposure is significantly lower compared to CT.
  • devices with reduced scan volume which detect only one segment of the jaw.
  • virtual three-dimensional, rotatable or displaceable models are generated by means of said imaging method and preferably by computer-aided programs. This type of representation, in combination with corresponding slice images, serves as the basis for a computer-aided planning of the implant position or another position for an operative procedure.
  • distance, area, volume and angle measurements can be determined both on the slice images and on a three-dimensional reconstruction.
  • Axes and geometric bodies can be constructed and positioned.
  • Each individual radiological image or volume element (pixel or voxel) is spatially determinable by spatial coordinates.
  • a coordinate system is generated in the computer and thus the planned implant axis to the management body or parts of that determined by coordinates.
  • a coordinate system can be determined comparatively easily if the said means are formed by additionally attaching a non-circular geometric body.
  • This body is a square or a prism and in particular a cube with edges and corners arranged so that, for example, three edges and one corner define a coordinate system.
  • any loss of precision for example, as a result of a so-called mesh formation or a smoothing effect, for example, by a stored in the computer software exact virtual model in the manner of a template, the geometric shape by image overlay, for example, by "surface matching" in the position the inaccurately reconstructed geometric shape are brought.
  • the coordinate points of the coordinate system can then be read more accurately on this image-transferring template.
  • similar effects can be achieved by applying three orthogonal faces of the geometric figure. Sharp edges and corners improve the reading accuracy, ie points can be assigned more clearly to a pixel or voxel coordinate value.
  • the guide is removed after radiographic imaging (from the patient's mouth).
  • the computer model is used to plan the implant axis (or another axis intended for an operative procedure), this being unambiguously determined by coordinate values with respect to the guide organ.
  • Implant axis of the computer model on the guide member by means of a computer-controlled drilling or positioning device, whereby also here the position of the guide member with respect to said device by means of a coordinate system and a positioning element is clearly defined.
  • the implant position / axis on the guide member can now be correctly positioned on the patient again and used, for example, as a drilling aid for tooth implantation directly on the patient.
  • the erf ⁇ ndungsgemässe method is particularly characterized in that the management body can be produced directly on the patient without the aid of a model cost and time-saving.
  • Named substantially metal-free guide member can be produced as a variant as a model (for example, gypsum model), but this is associated with greater time and cost. In most cases even a production outside the clinic by specialized technicians is necessary.
  • the method allows a (dental) implant bore to be performed on the patient merely by a drilling operation.
  • the preparation of a soft tissue flap is therefore unnecessary, so that the mentioned advantages, such as shortening of the operation time, reduction of the operative trauma, etc. can be achieved cost and time saving.
  • the guide member produced by the method forms, for example and preferably, a drilling template for the anchoring of dental implants in the jaw region.
  • the management organ can also be used for other surgical procedures.
  • the guide member may be used to guide a probe or instrument to stir in an implant or a surgical instrument.
  • the invention also relates to a prepared by the method according to claim 1 guide member. This has a repositionable on the human body holder.
  • a fastening device for a positioning aid is arranged for fixing the clinical implant position on the patient, for example with respect to the position of the teeth of the opposing jaw, on the guide member.
  • the position of the positioning aid is compared with the subsequent planning on the computer model and can thereby be corrected taking into account radiological events.
  • FIG. 2. 2 is a schematic representation of an alternative embodiment of the guide element on a patient's jaw.
  • 3 shows a three-dimensional computed tomography reconstruction with representation of some relevant teeth of the upper jaw and of a part of the lower jaw bone and of the guide element according to the invention according to FIG. 1 (the upper jaw bone is not shown), FIG.
  • FIG. 4 a shows a schematic view of the guide element according to the invention according to FIG. 2,
  • FIG. 4b shows a schematic view of the guide element according to the invention according to FIG. 1,
  • FIG. 5 a schematic representation of the individual steps of the method according to the invention
  • FIG. 6 schematically shows an arrangement with a drilling or positioning device, a positioning means, a computer and a guide element to be positioned
  • FIG. 7 schematically shows a spatial representation of a guide element arranged on an upper jaw according to a further variant and a positioning means fastened thereto;
  • FIG. 8 shows a further schematic spatial representation of the guide element according to FIG. 7, the lower jaw being partially shown, FIG.
  • FIG. 9 schematically shows an enlarged illustration of a positioning means which is attached to the guide member, which is only partially shown, and
  • FIG. 1 shows a guide member 1 which is produced on a jaw model 6. It has a holder 19, which is placed on teeth 5 of the jaw 6 repositionable.
  • the holder 19 consists for example of a suitable plastic and has in the region of a gap 12 modeled teeth 4. Via a web 3 or another suitable connection means, the holder 19 is preferably fixedly connected to a molded body 2.
  • the molded body 2 is in this embodiment, a rectangular body with edges 8 and corners 7.
  • the molded body 2 may also be another non-circular geometric body, such as a prism, a cuboid or a cube. The molded body 2 is thus repositionably attached via the web 3 and the bracket 19 to the teeth 5 and the lower jaw 6.
  • the holder 19 can be attached to the molded body 2 very exactly in the same position again on the jaw 6. The position and orientation of the molded body 2 to the teeth 5 and to the jaw 6 is thus always the same. Also conceivable is an embodiment in which the holder 19 itself is designed so that it can take over the function of the molded body 2.
  • the guide member 1 'shown in Figure 2 is attached directly to the jaw 9 of the patient.
  • a container 13 is provided, the modeling has 14, which hardens or is curable.
  • a molded body 2 ' is fixed, which corresponds to the shaped body 2 shown in Figure 1.
  • the guide member 1 ' is placed on the jaw 9 so that teeth 10 and 11, between which a gap 12 is disposed, engage in the soft and uncured mass 14.
  • the modeling mass 14 hardens or is cured and then the guide member 1 'is removed from the jaw 9.
  • modeling 14 are, for example, polyether rubber, siloxanes or alginates.
  • the container 13 may be formed so that it can take over the shape and function of the molded body 2 '.
  • the guide member 1 ' may extend over part or all of the jaw 9.
  • the shaped body 2 is arranged so that it is as shown outside the teeth 5 and thus located approximately below the nose.
  • the molded body 2 is located within the jaw 9.
  • the molded body 2 can thus be positioned variably on the guide member 1 or 1 '.
  • the direct production of the guide member 1 ' has the significant advantage that the corresponding preparation and adaptation to a jaw model is not required and thus the production is not only faster, but also cheaper.
  • a tomographic image is created in a first step and in a second step, a computer-aided three-dimensional model is produced, which comprises the guide member 1 and 1' and the corresponding jaw section.
  • computed tomography or DVT or MRI can be used to generate the corresponding image data.
  • Three-dimensional models can be generated on the basis of such data with known computer programs in combination with slice images.
  • a coordinate system is preferably generated directly.
  • the geometric shape of the shaped body 2 or 2 ' which are in particular rectangular shapes, such as cuboid or pyramid shapes, having three adjacent edges that intersect in a corner 7 or any other suitable point.
  • the corner 7 then forms the coordinate origin.
  • the coordinate system K is uniquely determined numerically.
  • the x-axis is determined by an edge 16, the y-axis by an edge 17, and the z-axis by an edge 18 of a rectangular parallelepiped.
  • the corner 15 forms the origin of the coordinate system K. It is also conceivable that the coordinate system at corners and edges of the guide member 1 or 1 'or parts thereof can be generated, for which purpose at least three corners must be specified. The attachment of a shaped body 2 or 2 'is then no longer necessary.
  • Edges so for example by means of a template stored in the computer program, the geometric shape can be adjusted by image overlay. This makes it possible read the coordinate points of the coordinate system K more exactly. Alternatively, a similar effect can be achieved by applying three orthogonal faces of the geometric figure. This makes comparatively sharp edges 16-18 and at least one corner 15 represent, which results in an increased reading accuracy. It is then possible to uniquely assign points to a pixel value or a voxel coordinate value. Alternatively to the direct generation of a coordinate system, an indirect generation of the coordinate system is also conceivable. In this case, a geometric figure in the form of three points is assumed, and from the plane defined thereby, a spatially unambiguous and reducible coordinate system is defined with suitable software.
  • the accuracy of the method for generating a coordinate system can be improved if the said direct method and the indirect method of generating the coordinate system are used in combination. If a determined deviation between the two methods is small, an arithmetic mean of this can be formed, for example. If the deviation is greater than a predetermined value, the two methods are checked. Thus, a higher accuracy and higher security can be created.
  • the implant axis is spatially defined on the slice image or the virtual three-dimensional reconstruction. Subsequently, at least two points of this implant axis and thus two points per implant are determined and determined in the form of coordinate points in relation to the coordinate system. So that the highest possible precision can be achieved, the points of each pair of points should be as far apart as possible. It is essential that measurements, such as angle or distance measurements for determining the implant axis are not required.
  • the position of the implant axis or the implant axes is transmitted to the guide member 1 or 1 'or fixed spatially.
  • This is done, for example, with the arrangement 22 shown in FIG. 6.
  • This has a plate 23, on softer a position element 27 is attached.
  • a device 24, for example, a known per se robot is arranged, which is connected via a signal line 29 to a computer 28.
  • the device 24 has a movably controlled arm 25 to which is attached a portion 26 which may be a drill or a locating pin for attachment to a drill sleeve, not shown.
  • the device 24 is positioned with respect to the positioning member 27 predetermined.
  • the planning data and in particular the coordination data of the implant axis in relation to the coordinate system are transferred from the computer 28 to the device 24. This positions a drill sleeve 21 on the guide member 1 or drills this directly.
  • FIG. 7 to 9 show a guide element 1 "according to a further variant, with this guide element 1" it is possible to clinically fix the implant position with respect to the position of teeth 38 of a counterjaw 30 on the patient.
  • a fastening device 31 which is preferably designed as a grid.
  • a positioning means 33 can be fastened at any position within the grid.
  • the grid can be very small-meshed, so that the positioning means 33 can be positioned exactly with respect to the teeth 38.
  • the positioning means 33 has according to Figure 9, a foot part 34 with four Aufsteck tone 37, which engage in grooves 32 of the container 13 '.
  • the attachment is thus made according to a known matrix-male system.
  • the positioning means 33 could also be fastened to the container 13 'by means of an adhesive.
  • the positioning means 33 has a head portion 36 for fixing the implant position.
  • This head part is preferably spherical. So that the positioning means 33 can not unintentionally release and be aspirated or swallowed by the patient, the latter is fastened to the container 13 'by a holding part 35, for example a thread.
  • the molded body 2 corresponds in its structure and function to the above-described molded part.
  • FIGS. 6, 10a and 10b the position of the implant axis or the implant axes is transmitted to the guide element 1 or 1 '.
  • FIG. 6 shows a plate 23 on which a positioning element 27 is fastened.
  • a device 24 for example, a known per se robot is arranged, which is connected via a signal line 29 to a computer 28.
  • the device 24 has a movably controlled arm 25 to which is attached a portion 26, which may be a drill, a locating pin or a drill sleeve 21.
  • the device 24 is positioned with respect to the positioning member 27 predetermined.
  • the planning data and in particular the coordination data of the implant axis in relation to the coordinate system are transferred from the computer 28 to the device 24. This positions a drill sleeve 21 on the guide member 1 or drills this directly.
  • FIGS. 10a and 10b show a part of the arrangement according to FIG. 6.
  • Positioning element 27 are here cubically formed and fit according to the die
  • Positioning element fits.

Abstract

Pour permettre la réalisation d'un organe de guidage (1, 1') destiné à guider un instrument chirurgical, un support (19, 13) qui peut être repositionné sur le corps d'une personne, est réalisé. Des informations radiologiques tridimensionnelles sont fournies par ce support (19, 13) et la zone à traiter (12) du corps de la personne, et ces informations sont utilisées pour établir avec une assistance informatique, un modèle virtuel du support (19, 13) et de la partie à traiter (12) du corps de la personne. Ce modèle virtuel permet la détermination d'au moins un axe (A) et son transfert sur le support repositionnable (19, 13). Le support repositionnable (19, 13) peut être réalisé directement sur la mâchoire du patient ou sur un modèle de mâchoire.
EP06761269A 2005-09-07 2006-08-09 Procede pour realiser des organes de guidage pour guider un instrument chirurgical, et organe de guidage realise grace a ce procede Withdrawn EP1922013A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH14632005 2005-09-07
PCT/CH2006/000418 WO2007028260A1 (fr) 2005-09-07 2006-08-09 Procede pour realiser des organes de guidage pour guider un instrument chirurgical, et organe de guidage realise grace a ce procede

Publications (1)

Publication Number Publication Date
EP1922013A1 true EP1922013A1 (fr) 2008-05-21

Family

ID=37057043

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06761269A Withdrawn EP1922013A1 (fr) 2005-09-07 2006-08-09 Procede pour realiser des organes de guidage pour guider un instrument chirurgical, et organe de guidage realise grace a ce procede

Country Status (3)

Country Link
US (1) US20080199827A1 (fr)
EP (1) EP1922013A1 (fr)
WO (1) WO2007028260A1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7653455B2 (en) * 2006-07-28 2010-01-26 3M Innovative Properties Company Computer-aided implanting of orthodontic anchorage devices using surgical guides
US20080286715A1 (en) * 2007-05-16 2008-11-20 Woncheol Choi System and method for providing an image guided implant surgical guide
US20110143307A1 (en) * 2008-03-27 2011-06-16 Akira Takebayashi Stent, a reproducing method using the stent, and a method for positioning a wire
DE102010005497B4 (de) * 2010-01-23 2012-02-09 Karsten Baumann Verfahren zur Erstellung einer Bohrschablone für eine Implantat-OP in einem Kiefer.
IT1402727B1 (it) * 2010-10-29 2013-09-18 Physioplant S R L Metodo per la preparazione di una mascherina chirurgica per l' installazione di un impianto dentale
DE102011013191B4 (de) * 2011-03-05 2014-04-03 Karsten Baumann Verfahren zur Erstellung einer Bohrschablone für eine Implantat-OP in einem Kiefer
US10617489B2 (en) 2012-12-19 2020-04-14 Align Technology, Inc. Creating a digital dental model of a patient's teeth using interproximal information
US10098714B2 (en) * 2012-12-19 2018-10-16 Align Technology, Inc. Apparatus and method for optically scanning an object in registration with a reference pattern
KR101491704B1 (ko) 2013-05-01 2015-02-16 주식회사 메가젠임플란트 임플란트용 영상정보 획득장치
US9962234B2 (en) * 2014-12-24 2018-05-08 Isethco Llc Disposable surgical intervention guides, methods, and kits
US10136968B2 (en) 2014-12-24 2018-11-27 Isethco Llc Disposable surgical intervention guides, methods, and kits
FR3033245B1 (fr) * 2015-03-03 2020-12-18 Jacob Jacques Hania Guide radiologique standard pour l'implantologie dentaire, personnalisable et transformable en guide chirurgical
KR101862815B1 (ko) 2017-01-24 2018-05-31 주식회사 디오 치아 임플란트용 서지컬 가이드 및 식립물 제조방법
US20220079709A1 (en) * 2020-09-15 2022-03-17 DDS Company, Inc. Bone Stabilized Base Guide and Method for Attaching and Positioning a Robotic Intra-Oral Surgical Device
KR102233682B1 (ko) * 2020-09-29 2021-03-29 김경진 치과용 임플란트 시스템 및 치과 임플란트용 크라운 보철물

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5015183A (en) * 1989-08-07 1991-05-14 Fenick Thomas J Locating device and method of placing a tooth implant
US6814575B2 (en) * 1997-02-26 2004-11-09 Technique D'usinage Sinlab Inc. Manufacturing a dental implant drill guide and a dental implant superstructure
US5725376A (en) * 1996-02-27 1998-03-10 Poirier; Michel Methods for manufacturing a dental implant drill guide and a dental implant superstructure
US6296483B1 (en) * 1997-03-07 2001-10-02 Universite Joseph Fourier System for preparing the placing of a dental implant
DE19710273C1 (de) * 1997-03-13 1998-08-20 Heraeus Kulzer Gmbh Verfahren und Vorrichtung zur Bearbeitung von Werkstücken in der Dentaltechnik
DE19715202B4 (de) * 1997-04-11 2006-02-02 Brainlab Ag Referenzierungsvorrichtung mit einem Mundstück
WO2000033759A1 (fr) * 1998-12-04 2000-06-15 Align Technology, Inc. Modele dentaire reconfigurable pour la fabrication d'appareils orthodontiques
DE10029256A1 (de) * 2000-06-14 2000-11-30 Stefan Wolz Verfahren zur Herstellung einer Bohrschablone zum Implantieren von künstlichen Zähnen
EP1401323A4 (fr) * 2001-05-31 2009-06-03 Image Navigation Ltd Procedes d'implantologie guidee par imagerie
WO2003017862A2 (fr) * 2001-08-31 2003-03-06 Leonard Marotta Systemes d'analogues dentaires fixes
SE520765C2 (sv) * 2001-12-28 2003-08-19 Nobel Biocare Ab Anordning och arrangemang för att medelst mall ta upp hål till implantat i ben, företrädesvis käkben
US7086860B2 (en) * 2002-02-20 2006-08-08 Schuman Walter F Implant placement system
US6966772B2 (en) * 2003-05-02 2005-11-22 Leo J. Malin Method of adjusting a drill bushing for a dental implant
US7044735B2 (en) * 2003-05-02 2006-05-16 Leo J. Malin Method of installing a dental implant
US20060281046A1 (en) 2003-09-04 2006-12-14 Mjrad Co., Ltd. Stent for guiding the location/direction of implant, and production method thereof
US7097451B2 (en) * 2003-11-14 2006-08-29 Brian Tang Thermoplastic surgical template for performing dental implant osteotomies and method thereof
EP3135238B1 (fr) * 2005-04-18 2019-05-29 Image Navigation Ltd Procédés et appareil d'implantation dentaire

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007028260A1 *

Also Published As

Publication number Publication date
US20080199827A1 (en) 2008-08-21
WO2007028260A1 (fr) 2007-03-15

Similar Documents

Publication Publication Date Title
EP1922013A1 (fr) Procede pour realiser des organes de guidage pour guider un instrument chirurgical, et organe de guidage realise grace a ce procede
DE69724669T2 (de) Verfahren zur herstellung einer zahnimplantatsuprastruktur
EP1933757B1 (fr) Ébauche utilisée comme gabarit de percage et pour enregistrer des enregistrements de données
DE10353913B4 (de) Verfahren und Vorrichtung zum Herstellen einer navigierten Bohrschablone für die Einbringung von Zahnimplantatbohrungen
EP1101451B1 (fr) Procédé de fabrication d'un guide de perçage pour un implant dentaire
EP2205177A1 (fr) Procédé de fabrication d'un gabarit de traitement
DE19629708C2 (de) Verfahren zur präoperativen Planung von Zahnimplantaten
WO2014001284A1 (fr) Procédé de contrôle de positions dentaires
EP2062224A1 (fr) Procédé de fabrication d'au moins une goupille chirurgicale fendue, en particulier pour la chirurgie maxillofaciale et l'ostéotomie de transformation assistées par ordinateur
DE102015222821A1 (de) Verfahren und Vorrichtung zum Betreiben eines dentaldiagnostischen Bilderzeugungssystems
EP2391297A1 (fr) Maquette d'occlusion
DE19902273A1 (de) Vorrichtung zur Bestimmung einer Plazierung von Dental-Implantaten im Kieferknochen
DE4328490A1 (de) Verfahren und Vorrichtung zur Lagebestimmung und präoperativen Ausrichtung von enossalen Implantaten im Kieferknochen und zum Setzen der Bohrungen für die Implantate
DE10064111A1 (de) Verfahren und Vorrichtung zur Anfertigung eines Implantats
DE102007034343B4 (de) Bissgabel und System aufweisend die Bissgabel
DE102004033989B4 (de) Verfahren zur Messung der dreidimensionalen Dichteverteilung in Knochen
DE102011117430A9 (de) Verfahren zur Herstellung einer chirurgischen Schablonenmaske zum Einsetzen eines Zahnimplantates
DE102009023114B3 (de) Positioniergerät zur Plazierung von Dental-Implantaten und Verfahren zur exakten Positionierung von Dentalimplantaten
DE19725197A1 (de) Verfahren und Vorrichtung zur Lokalisierung von Zahnimplantaten sowie Vorrichtung zur Koordinatenzuordnung
EP2957251B1 (fr) Dispositif d'utilisation dans un procédé de fabrication d'une structure d'implant dentaire
DE112019006258T5 (de) Dentales messinstrument, messverfahren und befestigungsinstrument
DE102019106141A1 (de) Biomechanische Vorrichtung für das Kiefergelenk
DE19728864C2 (de) Vorrichtung zur Bestimmung einer Plazierung von Dental-Implantaten und Verfahren zur exakten Positionierung von Dentalimplantaten
DE102005040738A1 (de) Mittel und Verfahren zur Registrierung dreidimensionaler Bilddaten
DE19728865C2 (de) Verfahren zur Plazierung von Dental-Implantaten

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20080314

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20131210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20140423