デジタルカメラを用いた顔貌分析の試み : システムならびに義歯装着者への応用の検討  [in Japanese] Trial of Facial Appearance Analysis Using a Digital Camera : Analyzing System and Clinical Application for Denture Wearers  [in Japanese]

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Author(s)

    • 鎌下 祐次 KAMASHITA Yuji
    • 鹿児島大学歯学部歯科補綴学第2講座 The Second Department of Prosthetic Dentistry, Kagoshima University Dental School
    • 大西 千晶 ONISHI Chiaki
    • 鹿児島大学歯学部歯科補綴学第2講座 The Second Department of Prosthetic Dentistry, Kagoshima University Dental School
    • 鎌田 ユミ子 KAMADA Yumiko
    • 鹿児島大学歯学部歯科補綴学第2講座 The Second Department of Prosthetic Dentistry, Kagoshima University Dental School
    • 川畑 直嗣 KAWAHATA Naotsugu
    • 鹿児島大学歯学部歯科補綴学第2講座 The Second Department of Prosthetic Dentistry, Kagoshima University Dental School
    • 長岡 英一 NAGAOKA Eiichi
    • 鹿児島大学歯学部歯科補綴学第2講座 The Second Department of Prosthetic Dentistry, Kagoshima University Dental School

Abstract

In this study, a new analyzing system was developed to evaluate the facial appearance of denture wearers affected by inadequate dentures and aging. In this system, the frontal and lateral digital facial images captured using a digital camera were displayed on a computer monitor and were analyzed according to the linear and angular measurements by image analysis software.<BR>This system required a short time to complete the analysis, and showed high reliability because the dimensional error on image distortion and difference of lens-subject distance was small. The facial images of 59 dentulous subjects (44 males and 15 females aged 23 to 29 years) were analyzed. Furthermore, this system and a polygon (a standard deviation diagram) from the data on the male dentulous subjects were applied to the analysis of the facial appearance of a denture wearer (78-year-old male).<BR>Dentures were useful to obtain lip support, but the effect of denture wearing was different for the analytical items. It was speculated that the differences in measurements between the edentulous subject with dentures and dentulous subjects were caused by aging and/or features of each edentulous subject.<BR>This system could be useful for routine clinical use in prosthetic dentistry.

Journal

  • Nihon Hotetsu Shika Gakkai Zasshi

    Nihon Hotetsu Shika Gakkai Zasshi 43(3), 602-613, 1999-06-10

    Japan Prosthodontic Society

References:  37

Cited by:  4

Codes

  • NII Article ID (NAID)
    10008173813
  • NII NACSIS-CAT ID (NCID)
    AN00197911
  • Text Lang
    JPN
  • Article Type
    Journal Article
  • ISSN
    03895386
  • Data Source
    CJP  CJPref  J-STAGE 
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