실험적 치아 이동 시 나타나는 백서 치주조직의 변화에 대한 조직학적 및 조직화학적 연구
A HISTOLOGICAL AND HISTOCHEMICAL STUDY ON THE PERIODONTAL TISSUE REACTION DURING EXPERIMENTAL TOOTH MOVEMENT IN THE RAT
임진환,
소속 상세정보
임진환 ( Lim Jin-Hwan ) - 서울대학교 대학원 치의학과 교정학
KMID : 0361919760060010033
Abstract
For the purpose of evaluating the response of the periodontal tissue in relation to the experimental tooth movement, orthodontic force was applied to 15 female rats. The animals were investigated histopathologically and histochemically by several staining methods. Findings were as follows: 1. The application of 60gm on the rat’’s molar caused mesial tipping movement and undermining resorption. 2. One day after the insertion of the appliance, the osteoblast was increased in activity but not in number. 3. The osteoclastic activity was decreased as soon as removing the appliance. 4. With the P.A.S. staining, osteoclasts Stained mildly in the initial stage and stained more intensely in the last stage. Osteoclasts revealed negative reaction in the initial stage and stained mildly in the last stage. 5. Slides stained with toluidine blue revealed no conclusive variations between osteoblasts and osteoclasts.
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