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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.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치주과학회 Journal of Periodontal & Implant Science Journal of Periodontal & Implant Science 제45권 제2호
- 발행연도
- 2015.1
- 수록면
- 62 - 68 (7page)
이용수
초록· 키워드
오류제보하기
Purpose: The goal of this study was to investigate the histomorphometric characteristics of the healing process of microcracks in the cortical bone after the installation of mini-im¬plants (MIs).
Methods: Self-drilling MIs were inserted into the tibial diaphysis of twelve adult male New Zealand rabbits. Four MIs per rabbit were placed randomly. The animals were divided into four groups according to the length of the healing period: group A was sacrificed immedi¬ately, group B was sacrificed after one week, group C was sacrificed after two weeks, and group D was sacrificed after four weeks. Cortical bone thickness was measured using mi¬cro-computed tomography, and histomorphometric analyses of the cumulative length of the microcracks (CLCr) and the total number of microcracks (NCr) were performed using hematoxylin and eosin staining.
Results: The microcracks were radially and concentrically aligned in the peri-MI bone. The CLCr decreased significantly one week after the surgery, mainly due to healing of the con¬centrically aligned microcracks. The CLCr showed another significant decrease from two weeks after the surgery to four weeks after the surgery, mainly reflecting healing of the ra¬dially aligned microcracks. A statistically significant decrease in the NCr occurred as the microcracks healed from zero weeks to two weeks. However, no significant difference in the NCr was found between groups C and D.
Conclusions: In order to improve the primary stability of MIs, delayed loading and a heal¬ing period of a certain length are recommended to ensure the optimal healing of micro¬cracks and bone remodeling.
목차
등록된 정보가 없습니다.
참고문헌 (34)
참고문헌 신청
Wu J / 2009 / Biomechanical and histomorphometric characterizations of osseointegration during mini-screw healing in rabbit tibiae / Angle Orthod 79:558~563
Zhang L / 2010 / Osseointegration of orthodontic micro-screws after immediate and early loading / Angle Orthod 80:354~360
Wang L / 2014 / Repair of microdamage in osteonal cortical bone adjacent to bone screw / PLoS One 9:e89343
Schaffler MB / 2003 / Role of bone turnover in microdamage / Osteoporos Int 14(Suppl 5):S73~S77
Hazenberg JG / 2006 / Microdamage: a cell transducing mechanism based on ruptured osteocyte processes / J Biomech 39:2096~2103
Zhang L / 2010 / Osseointegration of orthodontic micro-screws after immediate and early loading / Angle Orthod 80:354~360
Wang L / 2014 / Repair of microdamage in osteonal cortical bone adjacent to bone screw / PLoS One 9:e89343
Schaffler MB / 2003 / Role of bone turnover in microdamage / Osteoporos Int 14(Suppl 5):S73~S77
Hazenberg JG / 2006 / Microdamage: a cell transducing mechanism based on ruptured osteocyte processes / J Biomech 39:2096~2103
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