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. 2016 Jul-Aug;6(4):373-6.
doi: 10.4103/2231-0762.186801.

Comparative evaluation of fracture resistance of glass fiber reinforced, carbon, and quartz post in endodontically treated teeth: An in-vitro study

Shweta Sharma  1 , George Attokaran  2 , Kunwar S Singh  3 , Jeethu J Jerry  4 , Naima Ahmed  5 , Nirban Mitra  5
Affiliations

Comparative evaluation of fracture resistance of glass fiber reinforced, carbon, and quartz post in endodontically treated teeth: An in-vitro study

Shweta Sharma et al. J Int Soc Prev Community Dent. 2016 Jul-Aug.

Abstract

Aim and objectives: Use of posts improves the physical properties of endodontically-treated teeth. Different post types are developed such as metal, custom-made, carbon, and quartz. The present study was conducted to evaluate the fracture resistance of glass fiber-reinforced, carbon, and quartz post in endodontically-treated teeth.

Materials and methods: Forty extracted human maxillary incisor teeth were decoronated and endodontically treated and equally divided into 4 groups; control, glass fiber-reinforced, carbon, and quartz posts. No post was used in the control group. Post space was prepared and cemented with different posts and subjected to universal testing machine to check fracture resistance. The data were statistically analyzed using t-test and analysis of variance to compare the mean difference between groups (SPSS version 20, IBM).

Results: Quartz type of endodontic post showed good fracture resistance compared to carbon and resin-reinforced post. Least resistance was observed in the control group without post.

Conclusion: Quartz, carbon, and glass fiber-reinforced posts show good resistance to fracture, and hence can be used in endodontically-treated teeth to enhance their strength.

Keywords: Carbon; compressive force; core; custom; fracture; post; quartz; resistance.

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