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Development of three dimensional postoperative feature prediction method with multi-modal registration

Research Project

Project/Area Number 10470431
Research Category

Grant-in-Aid for Scientific Research (B).

Allocation TypeSingle-year Grants
Section一般
Research Field Surgical dentistry
Research InstitutionOsaka University

Principal Investigator

MORI Yoshihide  Graduate school of Dentistry Osaka University Research associate, 大学院・歯学研究科, 助手 (00231639)

Co-Investigator(Kenkyū-buntansha) MISHIMA Katsuaki  Okayama University Dental Hospital Assistant professor, 歯学部・附属病院, 講師 (60304317)
MINAMI Katsuhiro  Dental Hospital Osaka University Senior resident, 歯学部・附属病院, 医員
SUGAHARA Toshio  Okayama University Faculty of Dentistry Professor, 歯学部, 教授 (10116048)
YAMADA Tomohiro  Okayama University, Dental Hospital Research associate, 歯学部・附属病院, 助手
TSUKAMOTO Yuichi  Dental Hospital Osaka University Senior resident, 歯学部・附属病院, 医員
作田 正義  大阪大学, 歯学部, 教授 (00028755)
Project Period (FY) 1998 – 2000
Project Status Completed (Fiscal Year 2000)
Budget Amount *help
¥2,900,000 (Direct Cost: ¥2,900,000)
Fiscal Year 2000: ¥1,700,000 (Direct Cost: ¥1,700,000)
Fiscal Year 1999: ¥1,200,000 (Direct Cost: ¥1,200,000)
Keywordsoral and maxillo-facial region / three dimensional measurement / jaw deformity / postoperative feature prediction / multidimensional analysis
Research Abstract

1. Registration of multi-modal 3D data
We developed a system which realized total measurement of oral and maxillo-facial region. In the system, 3D-CT data of cranium, surface data of dental casts obtained by range finder (SURFRACER) were registered on a three dimensional coordinate system constructed from frontal and lateral cephalograms. In addition, surface data of facial soft tissue from crystal range finder could be added to the coordinate system. Moreover, we showed that 3D (surface) data of dental cast could be superimposed directly on the 3D-CT data of cranium.
2. Definition of landmark points of hard and soft tissue based on feature prediction
As landmarks of facial soft tissue and facial bone are close to midline, it was hard to find landmark points on the lateral part of the face. Then, we decide central point on the coronal section of CT, gave additional radial lines from it, and defined paired landmarks of soft and hard tissue. We measured 3D-CT data obtained from 9 patients with mandibular protrusion (without asymmetry) before and after operation. According to the movement of dental arch, we calculated moving matrix of hard tissue.
3. Analysis of soft tissue movement
We analyzed the movement of corresponded soft tissue by multidimensional analysis. Then, we showed that the soft tissue movement was expressed as a numerical formula.

Report

(4 results)
  • 2000 Annual Research Report   Final Research Report Summary
  • 1999 Annual Research Report
  • 1998 Annual Research Report
  • Research Products

    (14 results)

All Other

All Publications (14 results)

  • [Publications] Mishika,K., et al: "Effects of Presurgical Orthopedic Treatment in Infants with Complete Bilateral Cleft Lip and Palate"Cleft Palate-Craniofacial Journal. 35. 227-232 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Yamada,T., et al: "Rapid Three-Dimensional Measuring System for Facial Surface Structure"Plastic and Reconstructive Surgery. 102. 2108-2113 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Mori,Y., et al: "An accurate three-dimensional cephalometric system A solution for the correction of cephalic malpositioning"J.Orthodontics. (印刷中). (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Kwon,T.G., et al: "Stability of simultaneous maxillary and mandibular osteotomy for treatment of class III malocclusion : an analysis of three-dimensional cephalograms"J.Cranio Maxillofac, Surg,. (印刷中). (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Mishima, K., Sugahara, T., Mori, Y., Minami, K., Sakuda, M.: "Effects of Presurgical Orthopedic Treatment in Infants with Complete Bilateral Cleft Lip and Palate"Cleft Palate-Craniofac. J.. 35(3). 227-232 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Yamada, T., Sugahara, T., Mori, Y., Sakuda, M.: "Rapid Three-Dimensional Measuring System for Facial Surface Structure"Plast. Reconstr. Surg.. 102(6). 2108-211 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Mori, Y., Miyajima, T., Minami, K., Sakuda, M.: "An accurate three- dimensional cephalometric system -A solution for the correction of cephalic malpositioning"J.Orthodontics. (in press). (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Kwon, T.G., Mori, Y., Minami, K., Lee, S.H., Sakuda, M.: "Stability of simultaneous maxillary and mandibular osteotomy for treatment of class III malocclusion : an analysis of three-dimensional cephalograms"J.Cranio Maxillofac. Surg.. 28(in press). (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Mori,Y.,Miyajima,T.,Minami,K.,Sakuda,M: "An accurate three-dimensional cephalometric system -A solution for the correction of cephalic malpositioning"J.Orthodontics. (印刷中). (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] Kwon,T.G.,Mori,Y.,Minami,K.,Lee,S.H.,Sakuda,M.: "Stability of simultaneous maxillary and mandibular osteotomy for treatment of class III malocclusion : an analysis of three-dimensional cephalograms"J.Cranio Maxillofac.Surg.. (印刷中). (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] 清水英孝、他: "統合3次元データによる顎矯正手術シミュレーションシステムの開発-第1報 モデル作製法および術式に即した骨切り法の開発-"医用電子と生体工学. 37Suppl.. 280-280 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] 南 克浩、他: "統合3次元データによる顎矯正手術シミュレーションシステムの開発-第2報 骨片移動法および干渉検査法の開発-"医用電子と生体工学. 37Suppl.. 281-281 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Mishika,K.,et al: "Effects of Presurgical Orthopedic Treatment in Infants with Complete Bilateral Cleft Lip and Palate" Cleft Palate-Craniofacial Journal. 35. 227-232 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] Mori,Y.,et al: "Rapid Three-Dimensional Measuring System for Facial Surface Structure" Plastic and Reconstructive Surgery. 102. 2108-2113 (1998)

    • Related Report
      1998 Annual Research Report

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Published: 1999-04-01   Modified: 2016-04-21  

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