WO2016202967A2 - Procédé et dispositif d'enregistrement de données de surface intraorales par rapport à des données de surface extraorales - Google Patents

Procédé et dispositif d'enregistrement de données de surface intraorales par rapport à des données de surface extraorales Download PDF

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Publication number
WO2016202967A2
WO2016202967A2 PCT/EP2016/063985 EP2016063985W WO2016202967A2 WO 2016202967 A2 WO2016202967 A2 WO 2016202967A2 EP 2016063985 W EP2016063985 W EP 2016063985W WO 2016202967 A2 WO2016202967 A2 WO 2016202967A2
Authority
WO
WIPO (PCT)
Prior art keywords
surface data
extraoral
measuring body
relative
intraoral
Prior art date
Application number
PCT/EP2016/063985
Other languages
German (de)
English (en)
Other versions
WO2016202967A3 (fr
Inventor
Frank Thiel
Kai Lindenberg
Stefan Hehn
Original Assignee
Sirona Dental Systems Gmbh
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 Sirona Dental Systems Gmbh filed Critical Sirona Dental Systems Gmbh
Publication of WO2016202967A2 publication Critical patent/WO2016202967A2/fr
Publication of WO2016202967A3 publication Critical patent/WO2016202967A3/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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
    • A61B5/0088—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for oral or dental tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1079—Measuring physical dimensions, e.g. size of the entire body or parts thereof using optical or photographic means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/361—Image-producing devices, e.g. surgical cameras
    • 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
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B2090/364—Correlation of different images or relation of image positions in respect to the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B2090/364—Correlation of different images or relation of image positions in respect to the body
    • A61B2090/367—Correlation of different images or relation of image positions in respect to the body creating a 3D dataset from 2D images using position information
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • A61B2090/3937—Visible markers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • A61B2090/3991—Markers, e.g. radio-opaque or breast lesions markers having specific anchoring means to fixate the marker to the tissue, e.g. hooks

Definitions

  • the invention relates to a method and a device for registration of intraoral surface data relative to extraoral surface data, wherein the intraoral surface data and the extraoral surface data are combined.
  • the registration is carried out using three-dimensional X-ray data, wherein the position and orientation of the teeth are determined relative to the Oberflä ⁇ che of the face.
  • a disadvantage of this method is that the on ⁇ assumption of a three-dimensional X-ray image is connected to an ER heblichen radiation exposure. When carrying out a follow-up check , frequent measurement is therefore not possible.
  • the object of the present invention is therefore to enable a method for registering intraoral surface data relative to extraoral surface data which does not result in radiation exposure.
  • the invention relates to a method for registering intraoral surface data relative to extraoral surface data, wherein the intraoral surface data and the extraoral surface data are combined.
  • a measuring body is recorded, the measuring body having an intraoral area and an extraoral area, which protrudes from the mouth of a patient when the mouth is closed.
  • the measuring body has a previously known and defined position and orientation relative to an upper jaw and / or a lower jaw. Using this defined position and orientation of the measuring body, the position and orientation of the extraoral surface data is then determined relative to the intraoral surface data.
  • the extra-oral surface data portions of the patient's face or the entire face can umfas ⁇ sen.
  • the intraoral surface data may include an entire mandible, an entire maxilla, portions of the two jaws, or even edentulous jaws.
  • a toothless jaw may include at least one implant.
  • the measuring body may be ge ⁇ formed, for example in the form of a rod, wherein the intra-oral portion of the measuring body is arranged with the mouth closed within the mouth, and the extra-oral portion of the measuring body is arranged at gesche ⁇ nem mouth outside the mouth.
  • the position and orientation of the measuring body relative to the upper jaw and / or the lower jaw may be previously known or can be determined by means of an additional measurement.
  • the intraoral surface data can be measured by means of a hand-held dental camera, which can be based on a triangulation method or on a confocal measuring method.
  • the tooth situation can be measured by means of the hand-held dental camera.
  • the intraoral surface data may include the entire upper jaw, the entire lower jaw, a partial region of the upper jaw and / or a partial region of the lower jaw.
  • the extraoral surface data are acquired by means of an extraoral surface detection system.
  • a surface detection system may be for example a multi-camera system, consisting of multiple cameras that record as the face of the Pati ⁇ ducks, from different directions at the same time the object.
  • the surface detection system can also consist of a single camera and an optional illumination unit, wherein the object is acquired from different directions by means of the individual camera and subsequently the three-dimensional surface data are generated from the images produced.
  • the BL LEVEL ⁇ processing unit can be omitted.
  • the triangulation measurement method or the photogrammetry method can be used.
  • the Photogrammetrie Kunststoff is a measurement method and off ⁇ evaluation methods of remote sensing to determine from optical images of an object from different directions in space its three-dimensional shape.
  • a three-dimensional image of the object is calculated.
  • the extra-oral surface data of at least a portion of a face by means of a surface detection system that is based on egg ⁇ nem Photogrammetrie Kunststoff or triangulation.
  • the extra-oral portion of the Messkör ⁇ pers structures may have that allow unequivocal determination of the position and orientation of the gauge body on the basis of the extra-oral ⁇ surface data.
  • the structures can be shaped as desired.
  • the structures may be, for example, hemispherical, pyramidal or rectangular elevations or depressions.
  • the three-dimensional extraoral surface data and the three-dimensional intraoral surface data can be displayed by taking into account the determined position and orientation relative to one another by means of a display device.
  • the display device such as a monitor
  • the extraoral surface data relative to the intraoral surface data is displayed.
  • the defined position and orientation of the measuring body relative to the upper jaw and / or the lower jaw can be determined by a drilling template is measured with the attached measuring body using a three-dimensional optical surveying method, wherein recorded impressions of the teeth on the drilling template and the measuring body become.
  • Characterized the measuring body is connected directly to a drill template on ⁇ ordered so that the position and orientation of the measuring body can be determined relative to the teeth.
  • the defined position and orientation of the measuring body relative to the upper jaw and / or the lower jaw can be determined by a bite registration is measured with the attached measuring body using a three-dimensional optical surveying method, wherein impressions of the teeth on the bite registration and the measuring body detected become.
  • a bite registration is an impression that is generated to document the functional anatomical positions of upper jaw to lower jaw when clenching.
  • the bite registration can also be made of a suitable Ma ⁇ material, such as wax, gypsum or silicone.
  • the bite is first controlled without material. ⁇ according since the respective material between the two Kie ⁇ fer is brought and the patient asked to fauxzubei ⁇ SEN. After the material has hardened, the Bissre ⁇ gistrat is removed, which has both impressions of the upper jaw and the lower jaw.
  • the defined position and orientation of the measuring body relative to the upper jaw and / or the lower jaw can advantageously be determined by measuring the measuring body attached by gluing to a specific tooth using a three-dimensional optical measuring method and producing a registration recording, wherein at least the respective Tooth and the measuring body are recorded in the registration recording.
  • the measuring body is glued directly to a tooth, such as an anterior tooth.
  • a suitable material is used to easily remove the measuring body again.
  • the registration receptacle and the extraoral surface data may include a forehead area on a forehead of the patient, the position and orientation of the forehead area relative to the measuring body being used in the registration receptacle and in the extraoral surface data for improving the registration.
  • the forehead area is included in both the registration and the extraoral surface data, so that the registration of the extraoral surface data to the intraoral surface data based on the forehead area is enabled.
  • the invention relates to another alternative method of registering intraoral surface data relative to extraoral surface data without the use of a measuring body, combining the intraoral surface data and the extraoral surface data.
  • a registration recording at an open Mouth of a patient recorded, which is determined based on this registration recording the position and orientation of at least one tooth of the patient relative to an extraoral 0- surface area.
  • the extra-oral surface area is also recorded, wherein based on the determined position and orientation of ext ⁇ raoralen surface area relative to at least one tooth, the intra-oral surface data relative to the surface data extraoral be registered.
  • the surface area may be a forehead area on the forehead of the patient.
  • the invention further relates to an apparatus for registering intraoral surface data relative to extraoral surface data, combining the intraoral surface data and the extraoral surface data.
  • the device comprises a measuring body, wherein the measuring body has an intraoral area and an extraoral area which protrudes from the mouth of a patient when measuring the extraoral surface data with the mouth closed.
  • the measuring body thus makes it possible to register the intraoral surface data relative to the extraoral surface data.
  • the extra-oral portion of the Messkör ⁇ pers structures may have that allow unequivocal determination of the position and orientation of the gauge body on the basis of the extra-oral ⁇ surface data.
  • the structures on the measuring body can be, for example, hemispherical, pyramidal or rectangular elevations or depressions. In the case of hemispherical structures, at least three structures are required in order to carry out an unambiguous determination of the position and orientation of the measuring body.
  • the structures may be formed of at least three characteristic elevations or depressions, which are arranged on a flat portion of the extraoral region of the measuring body.
  • the arrangement of the structures on a flat portion of the measuring body allows easier determination of the position and orientation of the measuring body.
  • the measuring body can be arranged on a Bohrschab ⁇ lone.
  • the measuring body is connected directly to the drilling template, wherein in the three-dimensional optical measurement, the impressions of the teeth in the drilling template and the measuring body are measured.
  • the measuring body can be arranged on a bite register.
  • the measuring body is connected directly with the bite registration, wherein the imprints of the upper jaw on Bissre ⁇ gistrat and the measuring body to be measured, so that the position of the measuring body can be determined relative to the teeth.
  • Fig. 4 shows a further alternative of the device for
  • FIG. 6 shows an alternative method of registering intraoral surface data relative to extraoral surface data using a registration recording that
  • Fig. 7 is a display device, the extraoral
  • Fig. 1 shows a schematic diagram for Verdeut ⁇ lichung a method for registration of intra-oral surface data and extra-oral surface data being received in the measurement of extra-oral surface data, a measuring body 1.
  • the measuring body 1 points an intraoral area 2 and an extraoral area 3, which protrudes when the mouth 4 of a patient 5 is closed.
  • the measuring body 1 in this case has a defined position and orientation relative to an upper jaw 6 and / or a lower jaw 7 of the patient 5.
  • the measuring body 1 is attached to a drilling template 8, which is arranged on the upper jaw 6.
  • the drilling template 8 with the attached measuring body 1 can be measured by means of a three-dimensional optical method, so that the position and orientation of the measuring body 1 relative to the teeth 9 of the upper jaw 6 can be determined.
  • the ext ⁇ raoralen surface data comprises in this case at least a portion of a face 10 of the patient 5, wherein the receiving area is indicated by the dashed lines.
  • the measurement takes place by means of a multi-camera system 11 comprising a plurality of optical cameras 12, the multi-camera system 11 being based on a photogrammetric method.
  • the extraoral surface data thus comprise both the face 10 of the patient 5 and the extraoral area 3 of the measuring body 1.
  • FIG. 2 shows that the intraoral surface data is manually measured by means of a handheld dental camera 20, whereby the dental camera 20 can be based on a triangulation method or on a confocal measuring method.
  • the intraoral surface data can be the teeth 9 of the entire upper jaw 6, a partial region of the upper jaw 6, the entire lower jaw 7 and / or a portion of the lower jaw 7 include.
  • the measurement of the intraoral surface data can take place before or after the measurement of the extraoral surface data, as shown in FIG.
  • FIG. 3 shows schematically how the drilling template ⁇ 8 of the upper jaw 6 with the attached measuring body 1 by means of the hand-held dental camera 20 is measured manually.
  • Both the blocks 30 are also Abdrü- Messkör ⁇ per 1 measured with the attached structures 31 of the teeth 9 of the upper jaw 6 as.
  • the structures 31 are executed as three hemispherical elevations on a flat portion 32 of the measuring body 1 ⁇ .
  • the arrangement of structures 31 on the flat partial region 32 enables easy determination of the La ⁇ ge and orientation of the measuring body 1 relative to the footprints ⁇ CKEN 30 of the teeth 9 of the upper jaw 6. As a result, therefore, the position and orientation of the measuring body 1 be determined relative to the teeth 9 of the upper jaw 6.
  • the measurement of the drilling template 8 with the attached measuring body 1 can take place before or after the measurement of the intraoral surface data or the extraoral surface data.
  • FIG. 4 shows a further alternative of the device for registration, wherein the measuring body 1 with the structures 31 attached thereto is attached to a bite registration 40, which is shown in dashed lines.
  • the Bissre ⁇ gistrat 40 is produced by the clenching of the upper jaw 6 and 7 of the lower jaw of the patient. 5
  • the Bissre ⁇ gistrat 40 can consist of a suitable material such as wax, plaster or silicone, be customized.
  • FIG. 5 shows the bite registration 40 generated in FIG. 4 with the impressions 30 of the teeth 9 of the teeth 0 shown therein.
  • the bite registration with the attached measuring body 1 is by means of the dental camera 20, as in Fig. 3, measured to the position and orientation of the measuring body 1 relative to the impressions 30 and thus relative to the teeth 9 of the upper jaw 6 to determine.
  • Fig. 6 shows a schematic diagram for Verdeut ⁇ lichung of an alternative method for the registration of intra-oral surface data relative to extra-oral surface data.
  • a registration recording 60 is carried out by means of the multi-camera system 11 consisting of the individual cameras 12, as in FIG. 1, but with the mouth 4 of the patient 5 open.
  • the extraoral surface area 61 in the present case is an end area which is arranged on the forehead 62 of the patient 5.
  • the Stirnbe ⁇ rich 61 is particularly suitable because the forehead portion 61 hardly changes relative to the upper jaw 6, since a flexible skin layer 63 on a frontal bone 64 is relatively thin.
  • Using the registration recording 60 so the position and orientation of the teeth 9 of the upper jaw 6 re ⁇ relative to the end portion 61 is determined.
  • the forehead area 61 is also detected, so that the intraoral surface data of the upper jaw 6 can be aligned with this forehead area 61 and thus registered relative to the extraoral surface data.
  • FIG. 7 shows a display device 70, such as a monitor, which displays the extraoral surface data 71 of the face 10 of the patient 5 in superimposition with the intraoral surface data 72.
  • the intraoral surface data comprises the entire upper jaw 6, the entire lower jaw 7 and areas of the gum 73 around the teeth 9.
  • the arrangement of the intraoral surface data 72 relative to the extraoral surface data 71 corresponds to the determined position and orientation according to the present invention registration procedures.
  • the method for registration can be carried out by means of a computer 74, wherein the measuring body 1 is searched for in the extraoral surface data 71 and the determination of the position and registration of the measuring body relative to the teeth 9 takes place automatically. After completing the registration, the
  • Measuring body 1 with the extraoral portion 3 removed from the extraoral surface data 71 At the computer 74, operating elements such as a keyboard 75 and a mouse 76 are connected to navigate in the illustrated three-dimensional model of the registered extraoral surface data 71 and the intraoral surface data 72.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Dentistry (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Epidemiology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

L'invention concerne un dispositif et un procédé d'enregistrement de données de surface intraorales (72) par rapport à des données de surface extraorales (71), les données de surface intraorales (72) et les données de surface extraorales (71) étant combinées. Pour la mesure des données de surface extraorales (71), on utilise un corps de mesure (1), lequel comporte une zone intraorale (2) et une zone extraorale (3) qui dépasse de la bouche d'un patient (5) lorsqu'il a la bouche (4) fermée. Le corps de mesure (1) comporte une position et une orientation définie et connue au préalable par rapport à une mâchoire supérieure (6) et/ou une mâchoire inférieure (7) et, en utilisant cette position et cette orientation définies du corps de mesure (1), on définit la position et l'orientation des données de surface extraorales (71) par rapport aux données de surface intraorales (72).
PCT/EP2016/063985 2015-06-17 2016-06-17 Procédé et dispositif d'enregistrement de données de surface intraorales par rapport à des données de surface extraorales WO2016202967A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015211166.0A DE102015211166A1 (de) 2015-06-17 2015-06-17 Verfahren und Vorrichtung zur Registrierung von intraoralen Oberflächendaten relativ zu extraoralen Oberflächendaten
DE102015211166.0 2015-06-17

Publications (2)

Publication Number Publication Date
WO2016202967A2 true WO2016202967A2 (fr) 2016-12-22
WO2016202967A3 WO2016202967A3 (fr) 2017-03-16

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PCT/EP2016/063985 WO2016202967A2 (fr) 2015-06-17 2016-06-17 Procédé et dispositif d'enregistrement de données de surface intraorales par rapport à des données de surface extraorales

Country Status (2)

Country Link
DE (1) DE102015211166A1 (fr)
WO (1) WO2016202967A2 (fr)

Cited By (2)

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CN111970991A (zh) * 2018-05-02 2020-11-20 大多和德人 扫描用夹具、对种植物等的空间上的位置进行确定的方法及系统
CN113573662A (zh) * 2019-03-12 2021-10-29 莫德佳公司 将个体的牙弓的虚拟模型与所述个体的面部的数字模型配准的方法

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DE102017131134B4 (de) 2017-03-20 2023-11-02 Karsten Tegtmeyer Digitaler Transferbogen
EP3756617B1 (fr) * 2019-06-27 2024-05-22 DENTSPLY SIRONA Inc. Procédé pour enregistrer au moins une caractéristique anatomique d'un patient

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DE10218435B4 (de) * 2002-04-25 2010-03-04 Zebris Medical Gmbh Verfahren und Vorrichtung zur 3-dimensionalen Bewegungsanalyse von Zahnoberflächen des Oberkiefers in Relation zum Unterkiefer
KR20080049751A (ko) * 2005-08-26 2008-06-04 에스아이씨에이티 게엠베하 앤 컴퍼니.케이지 보링 지그로 사용되고 데이타 기록을 위한 블랭크
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111970991A (zh) * 2018-05-02 2020-11-20 大多和德人 扫描用夹具、对种植物等的空间上的位置进行确定的方法及系统
US20210038350A1 (en) * 2018-05-02 2021-02-11 Naruto OTAWA Scanning jig and method and system for identifying spatial position of implant or suchlike
CN113573662A (zh) * 2019-03-12 2021-10-29 莫德佳公司 将个体的牙弓的虚拟模型与所述个体的面部的数字模型配准的方法
CN113573662B (zh) * 2019-03-12 2022-11-04 莫德佳公司 将个体的牙弓的虚拟模型与所述个体的面部的数字模型配准的方法

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DE102015211166A1 (de) 2016-12-22
WO2016202967A3 (fr) 2017-03-16

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