Journal of Conservative Dentistry
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Year : 2011  |  Volume : 14  |  Issue : 4  |  Page : 401-405

Ex vivo fracture resistance of endodontically treated maxillary central incisors restored with fiber-reinforced composite posts and experimental dentin posts

1 Department of Conservative Dentistry and Endodontics, Maulana Azad Institute of Dental Sciences, Delhi, India
2 Department of Conservative Dentistry and Endodontics, Tamil Nadu Government Dental College, Chennai, India
3 Department of Prosthodontics, Kothiwal Dental College, Uttar Pradesh, India

Correspondence Address:
Ambica Kathuria
D-85, Vikas Puri, New Delhi-110018
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-0707.87211

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Aim : To compare the fracture resistance of teeth restored with fiber-reinforced composite (FRC) posts and experimental dentin posts milled from human root dentin. Materials and Methods : Thirty maxillary central incisors were divided into three groups of ten each. Twenty teeth were restored with FRC posts and solid dentin posts and numbered as Groups 2 and 3 respectively while Group 1 acted as the control, without any post. The teeth were loaded at 135° angle to their long axes after core build-up and the failure loads were recorded. Results : One-way Analysis of Variance (ANOVA) and Bonferroni multiple comparisons revealed a significant difference among test groups with the control group showing the highest fracture resistance, followed by the dentin post group and lastly the FRC post group. Conclusions : Teeth restored with dentin posts exhibited better fracture resistance than those restored with FRC posts.

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