EP2205177A1 - Procédé de fabrication d'un gabarit de traitement - Google Patents

Procédé de fabrication d'un gabarit de traitement

Info

Publication number
EP2205177A1
EP2205177A1 EP08804379A EP08804379A EP2205177A1 EP 2205177 A1 EP2205177 A1 EP 2205177A1 EP 08804379 A EP08804379 A EP 08804379A EP 08804379 A EP08804379 A EP 08804379A EP 2205177 A1 EP2205177 A1 EP 2205177A1
Authority
EP
European Patent Office
Prior art keywords
treatment template
template
holder
patient
jaw
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Withdrawn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
EP08804379A
Other languages
German (de)
English (en)
Inventor
Dirk Freyer
Gerhard ZÜNDORF
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.)
SICAT GmbH and Co KG
Original Assignee
SICAT GmbH and Co KG
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 SICAT GmbH and Co KG filed Critical SICAT GmbH and Co KG
Publication of EP2205177A1 publication Critical patent/EP2205177A1/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Withdrawn legal-status Critical Current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

Definitions

  • the present invention relates to a method for producing a treatment template, in particular a surgical template, which serves a treating physician for accurately guiding his instrument, in particular his drill, in the oral cavity of a patient.
  • a treatment template is releasably fixed during the surgical procedure in the jaw region of the patient in a defined position.
  • the invention also relates to a system for assisting implantation by means of a treatment template produced by the method.
  • US 2004/0259051 A1 also describes a method for producing a drill template suitable for the edentulous jaw, according to which special anchor elements suitable for fixing are introduced into the jaw. According to the procedure described, although the drilling template is fixed, it is not necessarily fixed in the correct position. The faulty seat can lead to holes that deviate from the original plan.
  • US Pat. No. 6,793,491 also describes a similar system of temporary implants for holding a surgical template where correct positioning is difficult.
  • the production of a surgical template is often done by means of a plaster model of the patient jaw, the plaster model is a potential source of error in the preparation of a surgical guide, as it is not always can be made in sufficient quality.
  • the result is that the drilling template does not fit clearly on the patient's jaw.
  • the object of the invention is now to provide a method for preparing a treatment template, in particular a surgical template for the insufficiently dentate jaw, which can be implemented inexpensively with simple means and which leads to a relation to the planning exactly and firmly positioned treatment template.
  • it is the task to propose an easy-to-handle and practical system for supporting an implantation in the jaw area.
  • the essential basic idea of the invention lies in the fact that in the jaw area of the patient first a holder for later detachable attachment of a treatment template is anchored in particular in the upper jaw or in the lower jaw of the patient, which is removed after completion of the treatment and therefore a "temporary" implant
  • This holder has markings in the form of marker structures that span a coordinate system and are visible in the set of recorded 3D image data. Then the patient is equipped with this holder the image data by means of a tomographic method, in particular by means of a computed tomography (CT) or Then, using this 3D image data, the implant and, on the other hand, the treatment template required for the introduction of this implant can be planned hablone is equipped with means, such as appropriately aligned sleeves, which provide the doctor's drill with well-defined guidance in terms of drilling position, drilling angle and drilling depth. The guidance of successive drills with different diameters can be realized on the use of several corresponding inner sleeves, which are plugged into a common outer sleeve.
  • the marker structures span a coordinate system for the planning data, this can also be used for computer-controlled production tools, such as CNC milling machines, with which the treatment template is made for example of plastic.
  • the prepared treatment template can then be installed for the purpose of introducing the hole provided for the implant accurately and firmly in the oral cavity of the patient by means of the previously implanted holder.
  • the present invention makes use of the holder also one or more temporary implants, but the logistical effort in relation to the known methods is significantly reduced and possible sources of error are eliminated.
  • it is possible to dispense with the use of a plaster model whose quality is important for the success of the treatment according to the most commonly known methods.
  • the holder is thus anchored for detachable attachment of the treatment template in the jaw region of the patient, wherein this anchoring in particular takes place in turn by implantation.
  • the holder in turn has the marker structures that span a three-dimensional coordinate system in the image data to be recorded and can therefore be represented by the imaging process together with the anatomy of the patient. Since the imaging process mostly uses x-ray radiation, it is advantageous to provide marker structures that can be clearly visualized in the 3D volume, but do not cause any major artifacts. There are therefore various metallic, ceramic, glassy or plastic-based materials, which are advantageously connected to the material of the holder.
  • a set of three-dimensional image data is taken from the jaw equipped with the holder, on the basis of which the planning of the implants and the planning of the treatment template to be fixed defined on the holder are undertaken. All planning and production can be based on the coordinate system spanned by the marker structures.
  • the holder which can be formed in a preferred embodiment of a kind of pedestal, which is implanted as such in the upper or lower jaw of the patient.
  • This base can have a "standardized" mechanical interface for attaching the treatment template.
  • This interface is to be designed so that an exact and fixed attachment of the treatment template is possible.For this purpose, in particular form-locking couplings in the nature of the Lego system, which with for example When using such standardized prefabricated interfaces, no additional planning and production work needs to be put into the type of coupling.
  • the holder of a plurality, in particular of three, separately to be anchored holding means is formed, which are each placed individually as temporary implants in the jaw of the patient.
  • Each of these holding means is provided with its own visible in the image data marker structure and with a fastening means.
  • holding means for example, small pins, in particular screws, can be used, which are implanted at a suitable location in the jaw and their heads form as it were marker structure and fasteners.
  • the holding means as far as possible spaced and anchored in a triangle in the jaw area. By means of such holding means distributed over a larger area, a particularly firm hold and a defined positioning of the treatment template in the jaw can be achieved.
  • the abutments on the treatment template, which interact with the attachment means are individually made.
  • this individual production is no problem with the above-mentioned methods, for example rapid prototyping.
  • Another advantage of the method is that the temporary implants can hold a temporary prosthesis until completion of the final prosthesis.
  • the fastening means as a ball head or cylinder, which forms a defined support for a correspondingly introduced in the treatment template pan.
  • the treatment template is then placed by the doctor on the fasteners and secured in the attached state.
  • the fuse can be done for example by means of small screws, which engage behind the ball head or the cylinder. So that it can also be ensured that the treatment template is seated exactly, it is advantageous to provide control means which indicate to the physician the secure fit.
  • FIG. 1 shows a partially edentulous upper jaw
  • FIG. 2 shows a section through the upper jaw
  • FIG. 3 shows a fixed drilling template
  • Figure 4 is a fixed in the upper jaw drilling template
  • FIG. 1 shows the upper jaw 2 of a patient, which has a residual toothing with three teeth 3.
  • a holder with three arranged in a triangle temporarily implanted holding means 1 is introduced in the upper jaw 2.
  • the holding means 1 have ball heads which serve on the one hand as a marker structure and on the other hand as a fastening means.
  • Figure 2 shows a transverse section through the Upper jaw 2 and a temporarily implanted holding means 1, which in this example has a spherical adapter in the form of a ball head 1a.
  • the holding means 1 is screwed with a thread 4 through the mucosa 5 through with the alveolar ridge 6.
  • FIG. 3 shows a drilling template 7, which is placed and fixed on the three holding means 10.
  • a drill sleeve 8 is introduced, which has a relative to the holding means 10 planned drilling axis 9.
  • the corresponding application of fixed in the patient jaw 2 drilling template 7 is shown in Figure 4.
  • the drilling template 7 is fixed on the temporary holding means 1 by the catch 11.
  • a guided implant bore can be introduced with the drill 16 and the implant 15 can be applied guided.
  • FIG. 5a shows the drilling template 7 on the ball head 1a in the latching position.
  • a locking indicator 17 is provided, which is pressed by the ball head 1a from its rest position out into the locking position. He signals the doctor that he has reached the locking position.
  • a return mechanism for example by a coil spring.

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)
  • Dental Prosthetics (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

L'invention concerne un procédé de confection d'un gabarit de traitement, en particulier d'un gabarit de perçage (7), qui sert à guider avec précision un instrument dans la cavité buccale d'un patient, sachant : que le gabarit de traitement est, pendant une intervention opératoire, fixé de manière amovible dans une position définie dans la région de la mâchoire du patient ; qu'un support pour la fixation amovible du gabarit de traitement (7) est ancré notamment par implantation dans la région de la mâchoire ; que le support présente des structures de marqueurs (1a) qui engendrent un système de coordonnées en trois dimensions et qui peuvent être représentées conjointement avec l'anatomie du patient par un procédé d'imagerie ; et qu'on enregistre un jeu de données d'image en trois dimensions de la région de la mâchoire (2) équipée du support. À l'aide des données d'image, on entreprend la planification des implants et la planification du gabarit de traitement (7) à fixer d'une manière définie sur le support, sachant que les planifications se rapportent au système de coordonnées engendré par les structures de marqueurs (1a).
EP08804379A 2007-10-31 2008-09-18 Procédé de fabrication d'un gabarit de traitement Withdrawn EP2205177A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007052389A DE102007052389A1 (de) 2007-10-31 2007-10-31 Verfahren zur Herstellung einer Behandlungsschablone
PCT/EP2008/062439 WO2009056397A1 (fr) 2007-10-31 2008-09-18 Procédé de fabrication d'un gabarit de traitement

Publications (1)

Publication Number Publication Date
EP2205177A1 true EP2205177A1 (fr) 2010-07-14

Family

ID=40303618

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08804379A Withdrawn EP2205177A1 (fr) 2007-10-31 2008-09-18 Procédé de fabrication d'un gabarit de traitement

Country Status (5)

Country Link
US (1) US20110033819A1 (fr)
EP (1) EP2205177A1 (fr)
JP (1) JP2011500238A (fr)
DE (1) DE102007052389A1 (fr)
WO (1) WO2009056397A1 (fr)

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US8986009B2 (en) * 2008-05-08 2015-03-24 Degudent Gmbh Method for determining 3-D data from at least one prepared maxillary area
EP2238941B1 (fr) * 2009-04-02 2015-01-14 Straumann Holding AG Procédé de fabrication d'un gabarit de perçage chirurgical
DE102011083439B4 (de) * 2011-09-26 2017-06-29 Sirona Dental Systems Gmbh Verfahren zur Überprüfung einer Bohrschablone zur Herstellung eines implantatgestützten Zahnersatzes
US9168112B2 (en) 2012-07-27 2015-10-27 Guided Surgery Solutions, Llc Multi-layer surgical guide
US20140026419A1 (en) * 2012-07-27 2014-01-30 Guided Surgery Solutions, Llc Surgical guide fabrication
US10307226B2 (en) 2013-03-14 2019-06-04 National Dentex, Llc Bone foundation guide and method of use
US10405945B2 (en) 2013-03-14 2019-09-10 National Dentex, Llc Bone foundation guide and method of use
US10278789B2 (en) 2013-03-14 2019-05-07 National Dentex, Llc Bone foundation guide system and method
US10398530B2 (en) 2013-03-14 2019-09-03 National Dentex, Llc Bone foundation guide system and method
US10639129B2 (en) 2013-03-14 2020-05-05 National Dentex, Llc Bone foundation guide system and method
KR20180098230A (ko) 2015-10-23 2018-09-03 내셔널 덴텍스 엘엘씨 뼈 기초부 가이드 시스템 및 방법
WO2017155823A1 (fr) 2016-03-05 2017-09-14 National Dentex, Llc Procédé et système de guide de fondation osseuse
SE542458C2 (en) 2018-01-31 2020-05-05 Soederstroem Staffan System for aiding mounting of tooth implants in a jaw, jaw customized guide, a radiopaque marker element and a software for determining data for manufacture of a jaw customized guide
WO2019211912A1 (fr) * 2018-05-02 2019-11-07 OTAWA Naruto Gabarit de balayage, et procédé et système pour spécifier la position spatiale d'un implant, etc.
CN108986209B (zh) * 2018-08-15 2020-04-14 雅客智慧（北京）科技有限公司 一种种植体种植精度的评价方法及系统
CN113813062A (zh) * 2020-06-18 2021-12-21 刘昭麟 立即式牙科植牙手术导引装置及其方法
JP2022001221A (ja) * 2020-06-22 2022-01-06 昭麟 劉 即時歯科インプラントにおける外科誘導装置及びその方法
CN115153922B (zh) * 2022-07-07 2023-02-28 四川大学 一种种植钻研究装置及其方法

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Also Published As

Publication number Publication date
US20110033819A1 (en) 2011-02-10
WO2009056397A1 (fr) 2009-05-07
JP2011500238A (ja) 2011-01-06
DE102007052389A1 (de) 2009-05-07

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