지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
The application of surgical method in orthodontic tooth movement is known to accelerate tooth movement by inducing Regional acceleratory phenomenon(RAP) that activates the remodeling of periodontal tissue on damaged site. The aim of this study is to histologically evaluate the effect of the elimination of periodontal ligament(PDL) by drilling the extraction socket on osteoclastic activity during orthodontic tooth movement in rats. Twenty-four Spraque-Dawley rats with an average weight of 400 g were used in this study. Both of the first molar were extracted, then the socket was drilled in experimental group. A traction force(100g) was applied to the second molar with coiled spring. After the sacrifice on 3rd, 7th, 10th, and 14th day, H&E staining and Tartrate-resistant acid phosphatase (TRAP) staining were performed. The bone resorption at compression side in experimental group was observed earlier and continued longer than that of control group. Osteoclast count and the results of immunohistochemical analysis suggested elevated bone remodeling activity in both groups, especially in experimental group. Thus, intentional drilling on extraction socket to eliminate PDL is considered effective in rapid orthodontic treatment.
목차
등록된 정보가 없습니다.
참고문헌 (22)
참고문헌 신청
Kahnberg KE / 2007 / The approach to dentofacial skeletal deformities using a multisegmentation technique / Clin Plast Surg 34:477~484
Hu J / 2002 / Differences in mandibular distration osteogenesis after corticotomy and osteotomy / Int J Oral Maxillofac Surg 31:185~189
Wang L / 2009 / Tissue responses in corticotomy-and osteotomy-assisted tooth movements on rats : histology and immunostaining / Am J Orthod Dentofacial Orthop 136:770.e1~770.e11
Chung KR / 2001 / Corticotomy-assisted orthodontics / J Clin Orthod 35:331~339
Lee W / 2008 / Corticotomy-/osteotomy-assisted tooth movement microCTs differ / J Dent Res 87:861~867
Hu J / 2002 / Differences in mandibular distration osteogenesis after corticotomy and osteotomy / Int J Oral Maxillofac Surg 31:185~189
Wang L / 2009 / Tissue responses in corticotomy-and osteotomy-assisted tooth movements on rats : histology and immunostaining / Am J Orthod Dentofacial Orthop 136:770.e1~770.e11
Chung KR / 2001 / Corticotomy-assisted orthodontics / J Clin Orthod 35:331~339
Lee W / 2008 / Corticotomy-/osteotomy-assisted tooth movement microCTs differ / J Dent Res 87:861~867
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