Computer-assisted simulations in orthodontic diagnosis and the application of a new cone beam x-ray computed tomography

K. Maki, N. Inou, Atsuo Takanishi, A. J. Miller

    Research output: Contribution to journalArticle

    101 Citations (Scopus)

    Abstract

    Computational simulations which include three-dimensional (3-D) image processing and biomechanical calculations should provide useful information to our research and orthodontic clinic as a clinical tool defined as 'thinking'. In this review, 1) biomechanical simulations applied to predict the mandibular growth; 2) mathematical models of virtual bone cells and 3) 3-D images and solid model simulations for surgical planning are introduced. In biomechanical simulation, biting force, electromyographic (EMG) activity and cephalograms of 32 subjects were applied. Computational results of mathematical model were compared with actual bone growth in a rat. Three-dimensional image and solid model of 14 patients were utilized for their treatment planning. From the results, several concepts of our simulations were confirmed: 1) reaction forces generated by masticatory muscles at the condyle control the direction of mandibular growth; 2) some mathematical models have the possibility to describe the process of bone growth; 3) 3-D image processing software and solid modelsare necessary for diagnosis and planning of orthognathic surgery. We also believe that the orthodontists can more accurately predict the affects of surgical procedures and orthodontic tooth movement using the new cone beam X-ray computed tomography (CT) (CB MercuRay™; Hitachi Medico Technology, Tokyo, Japan) and its advanced application software

    Original languageEnglish
    Pages (from-to)95-101
    Number of pages7
    JournalOrthodontics and Craniofacial Research
    Volume6
    Issue numberSUPPL1
    DOIs
    Publication statusPublished - 2003

    Fingerprint

    Three-Dimensional Imaging
    Orthodontics
    Computer Simulation
    Tomography
    X-Rays
    Theoretical Models
    Bone Development
    Software
    Masticatory Muscles
    Orthognathic Surgery
    Anatomic Models
    Tooth Movement Techniques
    Bone and Bones
    X Ray Computed Tomography
    Tokyo
    Growth
    Japan
    Technology
    Research
    Therapeutics

    Keywords

    • Biomechanics
    • Condylar growth
    • Cone beam CT
    • Simulation
    • Surgery

    ASJC Scopus subject areas

    • Orthodontics
    • Oral Surgery
    • Otorhinolaryngology
    • Surgery

    Cite this

    Computer-assisted simulations in orthodontic diagnosis and the application of a new cone beam x-ray computed tomography. / Maki, K.; Inou, N.; Takanishi, Atsuo; Miller, A. J.

    In: Orthodontics and Craniofacial Research, Vol. 6, No. SUPPL1, 2003, p. 95-101.

    Research output: Contribution to journalArticle

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