咬合時のサル骨口蓋の力学的特性 Dynamic Characteristics of the Monkey Bony Palate during Occlusion

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The following results were obtained when experiments on the dynamic characteristics of the bony palate of anesthetized adult Japanese monkeys that had been stabilized in an standing position were carried out. Electrical stimulus was applied bilaterally to the centers of the masseter and temporalis muscles and the animals were made to occlude with their anterior or posterior teeth on either hard food, soft food, or sticks of various thicknesses.<BR>Among the bones of the bony palate, compared with occlusion without food, there was a tendency for the principal strains to become greater in the maxillopalatine process on the working side when chewing on the anterior teeth, and in the horizontal lamina of the bony palate on any teeth when chewing. Furthermore, since the directions of the principal strains were similar to those when occluding without food, stresses may readily be concentrated. Compared with occlusion without food, the strains during occlusion on hard food or on sticks on the non-working side were very small, and in addition, there was a marked change in the direction of the principal strain. Therefore, it was concluded that the median and transverse palatine sutures ingeniously buffer the strains propagated from the working side.

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  • 日本補綴歯科學會雜誌 = The journal of the Japan Prosthodontic Society

    日本補綴歯科學會雜誌 = The journal of the Japan Prosthodontic Society 41(3), 385-392, 1997-06-01

    社団法人 日本補綴歯科学会

参考文献:  18件中 1-18件 を表示

被引用文献:  3件中 1-3件 を表示

各種コード

  • NII論文ID(NAID)
    10008166310
  • NII書誌ID(NCID)
    AN00197911
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03895386
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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