인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
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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.
이용수
초록· 키워드
Initial mechanical stability of implant inserted in bone is wel accepted as a requirement for obtaining good bone healing. However. the experimental evidence for this concept is hardly found. The present study examined the efect of micromovement of titanium cylinder on bone regeneration after placing it loosely in the trabecular bone of femur head of rabbits. Titanium cylinders of 3.5 mm in diameter were placed in the hole prepared with drils of 3.4 mm or 3.8 mm in diameter. Titanium cylinder was wel secured in the narrower hole. while freely moved in the wider hole. Bone area (BA) and bone-implant contact (BIC) were measured using microfocus X-ray CT system in the valey of cylinder. BA and BIC were higher in the analysis of movable cylinder group when compared to the tightly secured group after 2 weeks. although statisticaly insignificant due to the smal number of samples. There was no diference in BA and BIC on the study of 4 weeks groups. In summary. experimental group of titanium cylinders with which the initial micromovement was permited by placing them in the wide hole did not show lower bone regeneration compared to the cylinders tightly secured in the bone through whole experimental period. These resu1ts indicate.
within the limits of this study. that the initial micromovement is not a detrimental factor in the bone regeneration of titanium implant. Furthermore. the initial mechanical stability may not be an unconditional prerequisite for obtaining good osseointegration around titanium implant.
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