咀嚼時における全部床義歯前歯部咬合接触が下顎運動に及ぼす影響 Anterior Occlusal Contact of Complete Denture during Mastication

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著者

    • 吉富 信幸 YOSHITOMI Nobuyuki
    • 東京医科歯科大学歯学部高齢者歯科学講座 Department of Geriatric Dentistry, Faculty of Dentistry, Tokyo Medical and Dental University

抄録

The purpose of this study was to measure the actual anterior occlusal contacts in complete denture during mastication and discuss the relation between anterior occlusal contacts and masticatory movements.<BR>The actual anterior occlusal contacts were measured electrically with metal occlusal surfaces in five edentulous patients. These metal occlusal surfaces could be removed and changed into two types of occlusion.<BR>The masticatory movements were measured by Sirognathograph<SUP>®</SUP> for seven edentulous patients. The types of anterior and posterior occlusions were changed, and the masticatory movements were analyzed for each of the four types of occlusion.<BR>The results were as follows<BR>1. Anterior occlusal contacts were found during mastication, but not during tapping, in bilateral balanced occlusion.<BR>2. The frequency of anterior occlusal contacts during mastication was increased in nonbalanced occlusion.<BR>3. The frequency of occlusal contacts at the canine on the chewing side was increased by continuing of mastication, but was not increased at the canine on non-chewing side.<BR>4. The stability of the denture tended to be lost by eliminating the anterior occlusal contact, judging from the rhythm of masticatory movements.<BR>This study suggested that anterior occlusal contacts are necessary for the functional harmony of complete denture during mastication.

収録刊行物

  • 口腔病学会雑誌

    口腔病学会雑誌 64(3), 436-453, 1997-09-30

    The Stomatological society, Japan

参考文献:  86件中 1-86件 を表示

被引用文献:  4件中 1-4件 を表示

各種コード

  • NII論文ID(NAID)
    10008142489
  • NII書誌ID(NCID)
    AN00302674
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03009149
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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