[1] Lu GenfengTang WenchengYang Yu,. Fatigue and mechanical properties of dental implantwith zirconia pile [J]. Journal of Southeast University (English Edition), 2016, 32 (3): 312-316. [doi:10.3969/j.issn.1003-7985.2016.03.009]

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Fatigue and mechanical properties of dental implantwith zirconia pile()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

32

Issue:

2016 3

Page:

312-316

Research Field:

Biological Science and Medical Engineering

Publishing date:

2016-09-20

Info

Title:

Fatigue and mechanical properties of dental implantwith zirconia pile

Author(s):

Lu GenfengTang WenchengYang Yu

School of Mechanical Engineering, Southeast University, Nanjing 211189, China

Keywords:

fiber pile;  zirconia pile;  finite element analysis;  fatigue life

PACS:

R783.3

DOI:

10.3969/j.issn.1003-7985.2016.03.009

Abstract:

In order to investigate the effect of piles on tooth restoration and their service life, micro-computed tomography(CT)was used to scan the first maxillary canines by establishing a three-dimensional finite element model for pile restoration. The stress distributions after tooth restoration with different pile materials were analyzed using a 100 N bite force. Then, the S-N fatigue characteristic curve of zirconia material was obtained using experimental data. The fe-safe fatigue analysis software was used to study the service life of zirconia piles in teeth. The static analysis results demonstrate that when fiber piles are used to repair, the stress from the dentin neck is larger than that by zirconia piles, but the stress from the apical of the dentin is smaller than that by zirconia piles. Besides, the stress exerted by fiber piles is lower than that by zirconia piles. Furthermore, the fatigue analysis results indicate that under normal conditions, zirconia piles can be used in teeth for over 20 years. Compared with fiber piles, zirconia piles have a better effect on the repair of tooth defects.

References:

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Memo

Memo:

Biographies: Lu Genfeng(1992—), male, graduate; Tang Wencheng(corresponding author), male, doctor, professor, tangwc@seu.edu.cn.
Foundation item: The National Numerical Control Equipment Major Projects(No.2013ZX09008011).
Citation: Lu Genfeng, Tang Wencheng, Yang Yu. Fatigue and mechanical properties of dental implant with zirconia pile[J].Journal of Southeast University(English Edition), 2016, 32(3):312-316.DOI:10.3969/j.issn.1003-7985.2016.03.009.

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