IADR Abstract Archives
Histologic Study of Condylar Adaptive Change during DO
׉ŒÛÄ Histologic Study of Condylar Adaptive Change during Mandibular Symphysis Widening in Rabbit Model Hyun-Yang Kim, D.D.S., M.S.D. Department of Dentistry, Graduate School, Wonkwang University (Directed by Associate Professor, Ki-Chul Tae, D.D.S., M.S.D.,Ph.D.) The purpose of this study is to observe and compare the histologic changes in the bilateral temporomandibular joints after immediate or allowing 2 weeks of consolidation by varying the amount of distraction(3mm, 5mm, 10mm) in rabbit mandible 14 rabbits weighting about 3 kg were used. After osteotomy was performed on the mandibular symphysis and bilateral expansion device was placed. After the completion of lengthening process, one group was sacrificed immediately, and another group was allowed for 2-week-consolidation period. Then, the rabbits were sacrificed, and histologic examinations of temporomandibular joints were performed. 1. The histologic changes were seen to occur within the articulating layers of the mandibular condyles at all experimental groups. 2. There was no apparent relationship between the amount of distraction and the magnitude of the histologic changes. 3. The difference of the histologic changes among consolidation periods was not observed. Objectives: Methods: Results: Conclusions: face="Symbol">³
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