성장 중인 가토에서 하악두 상부절제술이 하악골 성장에 미치는 영향에 관한 실험적 연구
EXPERIMENTAL STUDY ON THE EFFECT OF HIGH CONDYLAR SHAVING IN GROWING RABBIT
최경일, 김종원,
소속 상세정보
최경일 ( ) - 서울대학교 치과대학 구강외과학교실
김종원 ( ) - 서울대학교 치과대학 구강외과학교실
KMID : 0386219910030010034
Abstract
The purpose of this experiment was to study effect of loss of condylar chondroid tissue to growth and development. The experimental materials were 20 rabbit aging 4 weeks and weighing about 900g. Both control and experimental group were devided as 1 week, 2 weeks, 4 weeks, 6 weeks and 8 weeks and each week groups consisted of 2 rabbits. The high condylar shaving in the left temporomandibular joint were performed. Every specimen was made by midsagittal section of the skull and taken soft x-ray radiogram by standardization. Measuerments were measured after tracing of x-ray. The temporomandibular joint and their surrounding tissues were obtain to microscopic specimens stained with Hematoxilin-Eosin method. The results as follows.
1. The change of weight and measurements through the time follow, was simillar pattern in both control and experimental group as well as both side of experimental group.
2. The operation site was gradually taken healing process and healing was completely in 8 weeks by chondroid tissue.
3. The author concluded that high condylar shaving in growing individuals have no effect to growth and development.
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