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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 제5호
- 발행연도
- 2015.1
- 수록면
- 375 - 379 (5page)
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초록· 키워드
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PURPOSE. The purpose of this study was to evaluate the influence of tightening technique and the screw coating on the loosening torque of screws used for Universal Abutment fixation after cyclic loading. MATERIALS AND METHODS. Forty implants (Titamax Ti Cortical, HE, Neodent) (n=10) were submerged in acrylic resin and four tightening techniques for Universal Abutment fixation were evaluated: A –torque with 32 Ncm (control); B – torque with 32 Ncm holding the torque meter for 20 seconds; C –torque with 32 Ncm and retorque after 10minutes; D –torque (32 Ncm) holding the torque meter for 20 seconds and retorque after 10 minutes as initially. Samples were divided into subgroups according to the screw used: conventional titanium screw or diamond like carbon-coated (DLC) screw. Metallic crowns were fabricated for each abutment. Samples were submitted to cyclic loading at 106 cycles and 130 N of force. Data were analyzed by two-way ANOVA and Tukey’ test (5%). RESULTS. The tightening technique did not show significant influence on the loosening torque of screws (P=.509). Conventional titanium screws showed significant higher loosening torque values than DLC (P=.000). CONCLUSION. The use of conventional titanium screw is more important than the tightening techniques employed in this study to provide long-term stability to Universal Abutment screws.
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참고문헌 (23)
참고문헌 신청
Basilio Mde A / 2012 / Effectiveness of screw surface coating on the stability of zirconia abutments after cyclic loading / Int J Oral Maxillofac Implants 27 : 1061 ~ 1067
Bhering CL / 2013 / Influence of the casting technique and dynamic loading on screw detorque and misfit of single unit implant-supported prostheses / Acta Odontol Scand 71 :
Binon PP / 1998 / Evaluation of the effectiveness of a technique to prevent screw loosening / J Prosthet Dent 79 : 430 ~ 432
Bulaqi HA / 2015 / Dynamic nature of abutment screw retightening:finite element study of the effect of retightening on the settling effect / J Prosthet Dent 113 : 412 ~ 419
Bulaqi HA / 2015 / Effect of the coefficient of friction and tightening speed on the preload induced at the dental implant complex with the finite element method / J Prosthe
Bhering CL / 2013 / Influence of the casting technique and dynamic loading on screw detorque and misfit of single unit implant-supported prostheses / Acta Odontol Scand 71 :
Binon PP / 1998 / Evaluation of the effectiveness of a technique to prevent screw loosening / J Prosthet Dent 79 : 430 ~ 432
Bulaqi HA / 2015 / Dynamic nature of abutment screw retightening:finite element study of the effect of retightening on the settling effect / J Prosthet Dent 113 : 412 ~ 419
Bulaqi HA / 2015 / Effect of the coefficient of friction and tightening speed on the preload induced at the dental implant complex with the finite element method / J Prosthe
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