JP7170933B2 - 歯科治療のための仮想咬合モデル - Google Patents
歯科治療のための仮想咬合モデル Download PDFInfo
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H20/00—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
- G16H20/40—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
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- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C11/00—Dental articulators, i.e. for simulating movement of the temporo-mandibular joints; Articulation forms or mouldings
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- 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
- A61C13/34—Making or working of models, e.g. preliminary castings, trial dentures; Dowel pins [4]
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
- G16H50/20—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
- G16H50/50—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/002—Orthodontic computer assisted systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
- G06T2207/30036—Dental; Teeth
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
- G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
- G06T7/74—Determining position or orientation of objects or cameras using feature-based methods involving reference images or patches
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- Oral & Maxillofacial Surgery (AREA)
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Description
Claims (8)
- コンピューティングデバイスの作動方法であって、
前記コンピューティングデバイスが、患者の口腔の仮想歯列を示すデータを受信することであって、前記仮想歯列を示す前記データは、前記患者の下顎歯列弓を表す仮想下顎歯列弓、又は前記患者の上顎歯列弓を表す仮想上顎歯列弓のうちの少なくとも1つを示すデータを含む、仮想歯列を示すデータを受信することと、
前記コンピューティングデバイスが、前記口腔の前記仮想歯列上の選択された点を示すデータを受信することと、
前記コンピューティングデバイスが、前記選択された点の運動方向を示す接線ベクトルを前記仮想下顎歯列弓の回転軸に基づいて決定することと、
前記コンピューティングデバイスが、決定された前記接線ベクトルに基づく動作を行うことと
を含む方法。 - 前記動作を行うことは、前記コンピューティングデバイスが、前記仮想歯列の歯の向き又は前記歯の形状が正しいかどうかを前記接線ベクトルに基づいて決定することを含む、請求項1に記載の方法。
- 前記選択された点及び前記接線ベクトルによって規定される半直線が前記歯の前記表面と交差しないと決定することに応答して、前記歯の前記向き又は前記形状が正しいと決定することを更に含む、請求項2に記載の方法。
- 前記コンピューティングデバイスが、前記歯の更新された形状又は更新された向きを作成するために前記仮想歯列を修正することと、
前記コンピューティングデバイスが、前記歯の前記更新された形状又は前記更新されたトルク角が正しいかどうかを前記接線ベクトル及び修正された前記仮想歯列に基づいて決定することとを更に含み、
前記仮想歯列を修正することは、
前記歯の前記トルク角を調整すること、
前記歯に材料を追加する若しくは前記歯から材料を除去することによって、前記歯の前記形状を調整すること、又は
ガイダンス歯を調整すること
のうちの少なくとも1つを含む、請求項1に記載の方法。 - 前記接線ベクトルを決定することは、
前記コンピューティングデバイスが、前記仮想下顎歯列弓の前記回転軸を決定することであって、前記回転軸は円弧の中心を規定し、前記選択された点は前記円弧の半径を規定する、前記回転軸を決定することと、
前記コンピューティングデバイスが、前記接線ベクトルを前記円弧の接線として決定することとを含む、請求項1に記載の方法。 - 前記コンピューティングデバイスが、複数の回転軸を決定することであって、前記複数の回転軸のうちのそれぞれの回転軸は、複数の方向のうちの対応する方向における前記仮想下顎歯列弓の運動と関連する、複数の回転軸を決定することと、
前記コンピューティングデバイスが、前記選択された点の複数の運動方向のうちの対応する運動方向をそれぞれ示す複数の接線ベクトルを前記複数の回転軸に基づいて決定することと、
前記コンピューティングデバイスが、前記歯が対向する歯列弓上の対咬歯と干渉するかどうかを前記複数の接線ベクトルのうちの少なくとも1つに基づいて決定することとを更に含む、請求項1に記載の方法。 - 前記選択された点は、前記歯上の摩耗咬合小面に関連し、前記動作を行うことは、
前記コンピューティングデバイスが、前記摩耗咬合小面を生じさせた少なくとも1つの運動方向を複数の運動方向から特定することを含む、請求項6に記載の方法。 - 少なくとも1つのプロセッサと、
命令を含むメモリであって、前記命令は、前記少なくとも1つのプロセッサによって実行されたとき、前記少なくとも1つのプロセッサに、
患者の口腔の仮想歯列を示すデータを受信することであって、前記仮想歯列を示す前記データは、前記患者の下顎歯列弓を表す仮想下顎歯列弓、又は前記患者の上顎歯列弓を表す仮想上顎歯列弓のうちの少なくとも1つを示すデータを含む、仮想歯列を示すデータを受信することと、
前記口腔の前記仮想歯列上の選択された点を示すデータを受信することと、
前記選択された点の運動方向を示す接線ベクトルを前記仮想下顎歯列弓の回転軸に基づいて決定することと、
決定された前記接線ベクトルに基づく動作を行うこととをさせる、メモリと
を備えるコンピューティングシステム。
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US201962875854P | 2019-07-18 | 2019-07-18 | |
US62/875,854 | 2019-07-18 | ||
PCT/IB2020/056756 WO2021009724A1 (en) | 2019-07-18 | 2020-07-17 | Virtual articulation model for dental treatment |
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JP2022532442A JP2022532442A (ja) | 2022-07-14 |
JP7170933B2 true JP7170933B2 (ja) | 2022-11-14 |
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US (1) | US20220246270A1 (ja) |
EP (1) | EP4000078A4 (ja) |
JP (1) | JP7170933B2 (ja) |
CN (1) | CN114144841A (ja) |
WO (1) | WO2021009724A1 (ja) |
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US11660170B2 (en) * | 2019-05-15 | 2023-05-30 | Marco Navarro | Method for ensuring functional occlusion for customized orthodontic devices |
TWI712396B (zh) * | 2020-01-16 | 2020-12-11 | 中國醫藥大學 | 口腔缺陷模型之修補方法及口腔缺陷模型之修補系統 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070168073A1 (en) | 2004-02-13 | 2007-07-19 | Presswood Ronald G | Method and system for morphometric analysis of human dental occlusal function and uses thereof |
JP2015536163A (ja) | 2012-10-18 | 2015-12-21 | 3シェイプ アー/エス | 複数の噛み合わせ |
US20180005377A1 (en) | 2016-06-29 | 2018-01-04 | 3M Innovative Properties Company | Virtual model of articulation from intra-oral scans |
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CA2790243C (en) * | 2010-02-25 | 2019-03-26 | 3Shape A/S | Dynamic virtual articulator |
WO2012112867A2 (en) * | 2011-02-18 | 2012-08-23 | 3M Innovative Properties Company | Orthodontic digital setups |
CN107301673B (zh) * | 2017-05-17 | 2020-07-28 | 杭州美齐科技有限公司 | 一种利用标准模型库构造牙齿的局部坐标系的算法 |
US10492892B2 (en) * | 2017-05-17 | 2019-12-03 | 3M Innovative Properties Company | Automatic alignment and orientation of digital 3D dental arch pairs |
WO2019009992A1 (en) * | 2017-07-03 | 2019-01-10 | Clearcorrect Operating, Llc | SYSTEMS AND METHODS FOR DESIGNING AND ENHANCING THE RETENTION OF ORTHODONTIC GUTTERS |
-
2020
- 2020-07-17 EP EP20841105.8A patent/EP4000078A4/en active Pending
- 2020-07-17 CN CN202080051838.7A patent/CN114144841A/zh active Pending
- 2020-07-17 US US17/626,152 patent/US20220246270A1/en active Pending
- 2020-07-17 WO PCT/IB2020/056756 patent/WO2021009724A1/en unknown
- 2020-07-17 JP JP2022502820A patent/JP7170933B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070168073A1 (en) | 2004-02-13 | 2007-07-19 | Presswood Ronald G | Method and system for morphometric analysis of human dental occlusal function and uses thereof |
JP2015536163A (ja) | 2012-10-18 | 2015-12-21 | 3シェイプ アー/エス | 複数の噛み合わせ |
US20180005377A1 (en) | 2016-06-29 | 2018-01-04 | 3M Innovative Properties Company | Virtual model of articulation from intra-oral scans |
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Publication number | Publication date |
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WO2021009724A1 (en) | 2021-01-21 |
EP4000078A1 (en) | 2022-05-25 |
US20220246270A1 (en) | 2022-08-04 |
JP2022532442A (ja) | 2022-07-14 |
EP4000078A4 (en) | 2023-08-02 |
CN114144841A (zh) | 2022-03-04 |
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