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Comparison of fracture resistance in post restorations in primary maxillary incisors

Type:  Articles

Pubblication date:  09/2014

Authors:  A. Baghalian*, M. Ranjpour*, T. Hooshmand**, N. G.Herman***, A. Ebrahimi*

Language:  English

Institution:  * Department of Pediatric Dentistry, School of Dentistry, Qazvin University of Medical Sciences ** Department of Dental Biomaterials, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran ***New York University College of Dentistry, New York, USA

Publication:  European Journal of Paediatic Dentistry

Publisher:  Ariesdue Srl

Keywords:  Fracture resistance; Intracanal posts; Primary incisors; Restorative dentistry.

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Email:  [email protected]

Title:  Comparison of fracture resistance in post restorations in primary maxillary incisors

Abstract:  Aim This in vitro study aimed to test the fracture resistance of 4 different posts used in the restoration of severely decayed primary incisors. Materials and methods Fifty primary incisors were selected for this study and sectioned 1 mm above the CEJ. After filing and irrigation of the root canal space, the canals were obturated with Metapex and 3 mm of post space was prepared inside the canals. Intact glass fiber posts, split-ended glass fiber posts, composite resin posts, and orthodontic γ “gamma” wire posts were used as intracanal posts and the final composite resin restoration was placed using a paediatric strip crown. After thermocycling of the specimens, the fracture resistance was measured using a universal testing machine. Results The mean fracture resistance of split-ended glass fiber posts was higher than the other groups, however, there was no significant difference between any of the groups (P>0.05). Conclusion Split-ended glass fiber posts seem to be a more appropriate option for full coverage restorations in primary incisors.

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