Tags

Type your tag names separated by a space and hit enter

Comparative evaluation of fracture resistance under static and fatigue loading of endodontically treated teeth restored with carbon fiber posts, glass fiber posts, and an experimental dentin post system: an in vitro study.
J Endod. 2013 Jan; 39(1):96-100.JE

Abstract

INTRODUCTION

This investigation sought to compare the fracture resistance under static and fatigue loading of endodontically treated teeth restored with fiber-reinforced composite posts and experimental dentin posts milled from human root dentin by using computer-aided design/computer-aided manufacturing.

METHODS

Seventy maxillary central incisors were obturated and divided into 4 groups: control group without any post (n = 10), carbon fiber post group (n = 20), glass fiber post group (n = 20), and dentin post group (n = 20). Control group teeth were prepared to a height of 5 mm. In all other teeth, post space was prepared; a post was cemented, and a core build-up was provided. Half the samples from each group were statistically loaded until failure, and the remaining half were subjected to cyclic loading, followed by monostatic load until fracture.

RESULTS

One-way analysis of variance and Bonferroni multiple comparisons revealed a significant difference among test groups. The control group demonstrated highest fracture resistance (935.03 ± 33.53 N), followed by the dentin post group (793.12 ± 33.69 N), glass fiber post group (603.44 ± 46.67 N), and carbon fiber post group (497.19 ± 19.27 N) under static loading. These values reduced to 786.69 ± 29.64 N, 646.34 ± 26.56 N, 470 ± 36.34 N, and 379.71 ± 13.95 N, respectively, after cyclic loading.

CONCLUSIONS

Results suggest that human dentin can serve as post material under static and fatigue loading. Although at an early stage in research, the use of dentin posts in root-filled teeth looks promising.

Authors+Show Affiliations

Department of Conservative Dentistry and Endodontics, Maulana Azad Institute of Dental Sciences, New Delhi, India. dr_ambics@yahoo.comNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

23228265

Citation

Ambica, Khetarpal, et al. "Comparative Evaluation of Fracture Resistance Under Static and Fatigue Loading of Endodontically Treated Teeth Restored With Carbon Fiber Posts, Glass Fiber Posts, and an Experimental Dentin Post System: an in Vitro Study." Journal of Endodontics, vol. 39, no. 1, 2013, pp. 96-100.
Ambica K, Mahendran K, Talwar S, et al. Comparative evaluation of fracture resistance under static and fatigue loading of endodontically treated teeth restored with carbon fiber posts, glass fiber posts, and an experimental dentin post system: an in vitro study. J Endod. 2013;39(1):96-100.
Ambica, K., Mahendran, K., Talwar, S., Verma, M., Padmini, G., & Periasamy, R. (2013). Comparative evaluation of fracture resistance under static and fatigue loading of endodontically treated teeth restored with carbon fiber posts, glass fiber posts, and an experimental dentin post system: an in vitro study. Journal of Endodontics, 39(1), 96-100. https://doi.org/10.1016/j.joen.2012.07.003
Ambica K, et al. Comparative Evaluation of Fracture Resistance Under Static and Fatigue Loading of Endodontically Treated Teeth Restored With Carbon Fiber Posts, Glass Fiber Posts, and an Experimental Dentin Post System: an in Vitro Study. J Endod. 2013;39(1):96-100. PubMed PMID: 23228265.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Comparative evaluation of fracture resistance under static and fatigue loading of endodontically treated teeth restored with carbon fiber posts, glass fiber posts, and an experimental dentin post system: an in vitro study. AU - Ambica,Khetarpal, AU - Mahendran,Kavitha, AU - Talwar,Sangeeta, AU - Verma,Mahesh, AU - Padmini,Govindaswamy, AU - Periasamy,Ravishankar, Y1 - 2012/09/11/ PY - 2012/03/09/received PY - 2012/07/23/revised PY - 2012/07/26/accepted PY - 2012/12/12/entrez PY - 2012/12/12/pubmed PY - 2013/12/16/medline SP - 96 EP - 100 JF - Journal of endodontics JO - J Endod VL - 39 IS - 1 N2 - INTRODUCTION: This investigation sought to compare the fracture resistance under static and fatigue loading of endodontically treated teeth restored with fiber-reinforced composite posts and experimental dentin posts milled from human root dentin by using computer-aided design/computer-aided manufacturing. METHODS: Seventy maxillary central incisors were obturated and divided into 4 groups: control group without any post (n = 10), carbon fiber post group (n = 20), glass fiber post group (n = 20), and dentin post group (n = 20). Control group teeth were prepared to a height of 5 mm. In all other teeth, post space was prepared; a post was cemented, and a core build-up was provided. Half the samples from each group were statistically loaded until failure, and the remaining half were subjected to cyclic loading, followed by monostatic load until fracture. RESULTS: One-way analysis of variance and Bonferroni multiple comparisons revealed a significant difference among test groups. The control group demonstrated highest fracture resistance (935.03 ± 33.53 N), followed by the dentin post group (793.12 ± 33.69 N), glass fiber post group (603.44 ± 46.67 N), and carbon fiber post group (497.19 ± 19.27 N) under static loading. These values reduced to 786.69 ± 29.64 N, 646.34 ± 26.56 N, 470 ± 36.34 N, and 379.71 ± 13.95 N, respectively, after cyclic loading. CONCLUSIONS: Results suggest that human dentin can serve as post material under static and fatigue loading. Although at an early stage in research, the use of dentin posts in root-filled teeth looks promising. SN - 1878-3554 UR - https://www.unboundmedicine.com/medline/citation/23228265/Comparative_evaluation_of_fracture_resistance_under_static_and_fatigue_loading_of_endodontically_treated_teeth_restored_with_carbon_fiber_posts_glass_fiber_posts_and_an_experimental_dentin_post_system:_an_in_vitro_study_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0099-2399(12)00727-3 DB - PRIME DP - Unbound Medicine ER -