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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제7권 제2호
- 발행연도
- 2015.1
- 수록면
- 115 - 121 (7page)
이용수
초록· 키워드
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PURPOSE. This study aimed to evaluate the effect of implant thread depth on primary stability in low density bone. MATERIALS AND METHODS. The insertion torque was measured by inserting Ti implants with different thread depths into solid rigid polyurethane blocks (Sawbones) with three different bone densities (0.16 g/cm3, 0.24 g/cm3, and 0.32 g/cm3). The insertion torque value was evaluated with a surgical engine. The static compressive strength was measured with a universal testing machine (UTM) and the Ti implants were aligned at 30° against the loading direction of the UTM. After the static compressive strength test, the Ti implants were analyzed with a Measurescope. RESULTS. The Ti implants with deeper thread depth showed statistically higher mean insertion torque values (P<.001). Groups A and group B had similar maximum static compressive strengths, as did groups C and D (P>.05). After the static compressive strength, the thread shape of the Ti implants with deeper thread depth did not show any breakage but did show deformation of the implant body and abutment. CONCLUSION. The implants with deeper thread depth had higher mean insertion torque values but not lower compressive strength. The deep threads had a mechanical stability. Implants with deeper thread depth may increase the primary stability in areas of poor quality bone without decreasing mechanical strength.
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참고문헌 (22)
참고문헌 신청
Ao J / 2010 / Optimal design of thread height and width on an immediately loaded cylinder implant: a finite element analysis / Comput Biol Med 40 : 681 ~ 686
Cehreli MC / 2009 / Implant stability and bone density: assessment of correlation in fresh cadavers using conventional and osteotome implant sockets / Clin Oral Implants Res
Chun HJ / 2002 / Evaluation of design para
Dos Santos MV / 2011 / The effects of superficial roughness and design on the primary stability of dental implants / Clin Implant Dent Relat Res 13 : 215 ~ 223
Fanuscu MI / 2007 / Effect of surgical techniques on primary implant stability and peri-implant bone / J Oral Maxillofac Surg 65 : 2487 ~ 2491
Cehreli MC / 2009 / Implant stability and bone density: assessment of correlation in fresh cadavers using conventional and osteotome implant sockets / Clin Oral Implants Res
Chun HJ / 2002 / Evaluation of design para
Dos Santos MV / 2011 / The effects of superficial roughness and design on the primary stability of dental implants / Clin Implant Dent Relat Res 13 : 215 ~ 223
Fanuscu MI / 2007 / Effect of surgical techniques on primary implant stability and peri-implant bone / J Oral Maxillofac Surg 65 : 2487 ~ 2491
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