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.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제5권 제4호
- 발행연도
- 2013.1
- 수록면
- 434 - 439 (6page)
이용수
초록· 키워드
오류제보하기
PURPOSE. The aim of the present study was to evaluate the effects of posts with different morphologies on stress distribution in an endodontically treated mandibular premolar by using finite element models (FEMs). MATERIALS AND METHODS. A mandibular premolar was modeled using the ANSYS software program. Two models were created to represent circular and oval fiber posts in this tooth model. An oblique force of 300 N was applied at an angle of 45° to the occlusal plane and oriented toward the buccal side. von Mises stress was measured in three regions each for oval and circular fiber posts. RESULTS. FEM analysis showed that the von Mises stress of the circular fiber post (426.81 MPa) was greater than that of the oval fiber post (346.34 MPa). The maximum distribution of von Mises stress was in the luting agent in both groups. Additionally, von Mises stresses accumulated in the coronal third of root dentin, close to the post space in both groups. CONCLUSION. Oval fiber posts are preferable to circular fiber posts in oval-shaped canals given the stress distribution at the postdentin interface.
목차
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참고문헌 (19)
참고문헌 신청
Aggarwal S / 2011 / Finite element analysis of stress concentration in three popular brands of fiber posts systems used for maxillary central incisor teeth / J Conserv Dent
Boschian Pest L / 2006 / Stress distribution in a post-restored tooth using the three-dimensional finite element method / J Oral Rehabil 33 : 690 ~ 697
Cecchin D / 2011 / Effect of chlorhexidine and ethanol on the durability of the adhesion of the fiber post relined with resin composite to the root canal / J Endod 37 : 678 ~
Clark DJ / 2005 / Shaping and restoring ovoid canal systems / Endod ther 5 : 9 ~ 13
Conglio I / 2008 / Post space debridement in oval-shaped canals: the use of a new ultrasonic tip with oval section / J Endod 34 : 752 ~ 755
Boschian Pest L / 2006 / Stress distribution in a post-restored tooth using the three-dimensional finite element method / J Oral Rehabil 33 : 690 ~ 697
Cecchin D / 2011 / Effect of chlorhexidine and ethanol on the durability of the adhesion of the fiber post relined with resin composite to the root canal / J Endod 37 : 678 ~
Clark DJ / 2005 / Shaping and restoring ovoid canal systems / Endod ther 5 : 9 ~ 13
Conglio I / 2008 / Post space debridement in oval-shaped canals: the use of a new ultrasonic tip with oval section / J Endod 34 : 752 ~ 755
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