咬合挙上後の犬顎関節軟骨における分裂線の変化について

概要

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Changing conditions of the splitting lines of adult dogs' temporomandibular articular surfaces of head and fossa after occlusal raising were observed by the author, comparison being made by 8 progressive stages from 1 and 2 weeks, 1 to 6 months after the occlusal raising, and the following conclusions have been obtained : That the splitting line system turned out to be irregularized from 1 week to 3 months after occlusal raising and that the area of irregular splitting lines enlarged may be interpreted to indicate the changing process as a defence reaction caused by the shift of motion axis due to the occlusal raising which affected the cartilage of temporomandibular joint strongly. That the splitting line systems increased in number from 4 months to 6 months and the area of irregular splitting lines was reduced in size may be interpreted to be the regenerating process of the tissue due to the shift of motion axis now stablized. Or, in other words, the changing process is considered to be the alteration process of the tissue at the articular surfaces that was brought about by the axial shift of the articular motion of temporomandibular joint caused by occlusal raising.
1977-05-31