Development of a knowledge-dependent prediction system for optimum treatment planning about extraction in orthodontic treatment

• Project/Area Number: 19791575
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Orthodontic/Pediatric dentistry
• Research Institution: Osaka University
• Principal Investigator: YAGI Masakazu Osaka University, 臨床医工学融合研究教育センター, 特任准教授(常勤) (40362686)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,570,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥270,000); Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2007: ¥2,400,000 (Direct Cost: ¥2,400,000)
• Keywords: 知能機械 / 予測システム / 最適治療計画立案 / 知識記述 / 数理モデル / 歯科矯正 / 歯学 / 抜歯

Research Abstract

矯正歯科医は、治療計画を立案する際に便宜抜歯に関する意思決定-1)矯正歯科治療において、歯を抜くべきか否か、2)歯を抜くのであればどの歯を抜くべきか-を行なう。矯正歯科医が持つ知識および思考態度を数学的に表現して実装し、最適な治療計画を予測するシステムを開発した。また、最適な治療計画を予測するシステムを最適化することで、矯正歯科医が本意思決定を行う際に寄与する要素を定量的に明らかにし、専門家の思考シミュレーションを可能にした。

Research Products

• [Journal Article] Computational Formulation of Orthodontic Tooth-Extraction Decisions Part I: To extract or not to extract (2009)
  • Author(s): Takada,K, Yagi,M and Horiguchi,E
  • Journal Title: Angle Orthod 79 Pages: 885-891
  • Peer Reviewed
• [Journal Article] Computational Formulation of Orthodontic Tooth-Extraction Decisions Part II: Which tooth should be extracted? (2009)
  • Author(s): Takada,K, Yagi,M and Horiguchi,E
  • Journal Title: Angle Orthod 79 Pages: 892-898
  • Peer Reviewed
• [Journal Article] 歯科医の知識を実装した知的情報処理システム (2007)
  • Author(s): 八木雅和, 谷川千尋, 山本卓, 中村佳世子, 堀口依里子, 大野弘子, 高田健治
  • Journal Title: 電子通信学会技術研究報告, (画像工学研究会(IE)) 論文番号SIP2007-127, ICD2007-116, IE2007-86 Pages: 25-30
  • NAID: 110006453373
• [Journal Article] 歯科医の知識を実装した知的情報処理システム (2007)
  • Author(s): 八木雅和
  • Journal Title: 電子通信学会技術研究報告(画像工学研究会(IE)) IE2007-86 Pages: 25-30
  • NAID: 110006453373
• [Journal Article] Computational Formulation of Orthodontic Tooth-Extraction Decisions Part I : To extract or not to extract
  • Author(s): Kenji Takada
  • Journal Title: Angle Orthodontist (Accepted)
  • Peer Reviewed
• [Journal Article] Computational Formulation of Orthodontic Tooth-Extraction Decisions Part II : Which tooth should be extracted?
  • Author(s): Masakazu Yagi
  • Journal Title: Angle Orthodontist (Accepted)
  • Peer Reviewed
• [Presentation] IN SILICO MODELING OF FACIAL MORPHOLOGY AND FUNCTIONS (2009)
  • Author(s): Yagi, M., Ohno, H., Shigenaga, N,Takada, K
  • Organizer: will be presented in the 36th Congress of the International Union of Physiological Sciences (IUPS2009)
  • Place of Presentation: Kyoto, Japan
  • Year and Date: 2009-07-30
• [Presentation] In silico modeling of expert decisions about faces (2008)
  • Author(s): Yagi, M., Tanikawa, C., Ohno, H.,Kanomi, R. and Takada, K
  • Organizer: the 3rd MEI International Symposium -Physiome and Systems Biology for Integrated Life Sciences and Predictive Medicine
  • Place of Presentation: San Francisco, California
  • Year and Date: 2008-12-02
• [Presentation] In silico modeling of expert decisions about faces (2008)
  • Author(s): Masakazu Yagi
  • Organizer: The 3^<rd> MEI International Symposium
  • Place of Presentation: San Francisco, CA
  • Year and Date: 2008-12-02
• [Presentation] In silico prediction model for optimal tooth-extraction sites (2008)
  • Author(s): Hiroko Ohno
  • Organizer: The 3^<rd> MEI International Symposium
  • Place of Presentation: San Francisco, CA
  • Year and Date: 2008-12-02
• [Presentation] 数理モデルを用いた最適治療計画予測シミュレーション (2008)
  • Author(s): 八木雅和,大野弘子,堀口依里子,高田健治
  • Organizer: 生体医工学シンポジウム2008
  • Place of Presentation: 大阪
  • Year and Date: 2008-09-19
• [Presentation] Knowledge-dependent mathematical model that predicts optimal tooth extraction site (2008)
  • Author(s): Ohno, H., Yagi, M., Horiguchi, E. and Takada, K
  • Organizer: in the Proceeding of the 86th General Session & Exhibitionof the International Association for Dental Research 2008 (IADR 2008)
  • Place of Presentation: Toronto, Canada
  • Year and Date: 2008-07-03
• [Presentation] Knowledge-dependent mathematical model that predicts optimal tooth extraction site (2008)
  • Author(s): Hiroko Ohno
  • Organizer: International Association for Dental Research
  • Place of Presentation: Toronto, Canada
  • Year and Date: 2008-07-03
• [Presentation] In silico expert -mathematical modeling of expert decisions (2008)
  • Author(s): Yagi, M. and Takada, K
  • Organizer: Mouth and Face Forum 2008 in silico dentistry
  • Place of Presentation: Osaka, Japan
  • Year and Date: 2008-01-15
• [Presentation] In silico expert -mathematical modeling of expert decisions (2008)
  • Author(s): Masakazu Yagi
  • Organizer: Mouth and Face Forum 2008 in siHco Dentistry
  • Place of Presentation: Osaka, Japan
  • Year and Date: 2008-01-15
• [Presentation] Mathematical modeling of orthodontic decisions Part I: extraction/non-extrction decisions in the orthodontic treatment (2008)
  • Author(s): Masakazu Yagi
  • Organizer: Mouth and Face Forum 2008 in silico Dentistry
  • Place of Presentation: Osaka, Japan
  • Year and Date: 2008-01-14
• [Presentation] Mathematical modeling of orthodontic decisions Part II: determination of extraction site in the orthodontic treatment (2008)
  • Author(s): Masakazu Yagi
  • Organizer: Mouth and Face Forum 2008 in silico Dentistry
  • Place of Presentation: Osaka, Japan
  • Year and Date: 2008-01-14
• [Presentation] In silico prediction model for optimal tooth-extraction sites (2008)
  • Author(s): Ohno, H., Yagi, M. and Takada, K
  • Organizer: the 3rd MEI International Symposium -Physiome and Systems Biology for Integrated Life Sciences and Predictive Medicine
  • Place of Presentation: San Francisco, California
• [Presentation] Mathematical modeling of orthodontic decisions Part I: extraction/non-extraction decisions in the orthodontic treatment (2008)
  • Author(s): Yagi, M., Horiguchi, E., Ohno H. and Takada, K
  • Organizer: Mouth and Face Forum 2008 in silico dentistry
  • Place of Presentation: Osaka, Japan
• [Presentation] Mathematical modeling oforthodontic decisions Part II: determination of extraction site in the orthodontic treatment (2008)
  • Author(s): Yagi, M., Ohno, H., Horiguchi, E. and Takada, K
  • Organizer: Mouth and Face Forum 2008 in silico dentistry
  • Place of Presentation: Osaka, Japan
• [Presentation] 歯科医の知識を実装した知的情報処理システム (2007)
  • Author(s): 八木雅和, 谷川千尋, 山本卓, 中村佳世子, 堀口依里子, 大野弘子, 高田健治
  • Organizer: 電子通信学会技術研究報告, (画像工学研究会(IE))
  • Place of Presentation: 福島.(招待講演)
  • Year and Date: 2007-10-26
• [Presentation] 歯科医の知識を実装した知的情報処理システム(招待講演) (2007)
  • Author(s): 八木 雅和
  • Organizer: 電子通信学会技術研究報告, (画像工学研究会(IE))
  • Place of Presentation: 福島
  • Year and Date: 2007-10-26
• [Book] In silico Dentistry- the evolution of computational oral health science (2008)
  • Author(s): Takada,K. and Kreiborg,S.(Eds)
  • Total Pages: 196
  • Publisher: Medigit Corp Pub