임프란트 fixture와 abutment의 연결방식 에 따른 나사풀림에 대한 연구

• 발행기관: 대한치과이식임플란트학회
• 저자명: 김태인 송태식 김기성 한준현
• 간행물 정보: 『Journal of Dental Implant Research』제21권 제1호, 21~33쪽, 전체 13쪽
• 주제분류: 의약학 > 의학일반
• 파일형태: PDF
• 발행일자: 2002.12.31

영문 초록

Screw loosening in dental im plant treatment is one o f the m ajor problem that has been frequently reported by m ultiple authors. There are several factors involved in keeping im plant screws tight. The purpose o f this study was to determine whether various im plant fixture and abutment connection system w ould affect screw looseness. Im plant fixture and abutment o f the four different connection system were connected and tightened w ith 30N Cm and then the loosening torque was measured. T ightening screw removal values were measured 10 times repeatedly under same condition. The results were as follow s. 1. The highest loosening torque value appeared after tightening 3-5 times repeatedly. 2. Morse taper connection system showed statistically significant high loosening torque value. There were no significant difference in loosening torque values w ith other connection system, spline, internal hex, external hex.

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