Comparative evaluation of fracture load resistance and retention of polyethylene fiber post with enhanced retentive omega-shaped short post in primary anterior teeth: An In vitro study

Abstract

Aims: This study aims to evaluate the effective method for restoring badly mutilated primary anterior teeth, by comparing the fracture load resistance of polyethylene fiber post with composite resin short post containing omega-shaped stainless steel wire. Subjects and Methods: Sixty carious deciduous incisors, with 2/3 root length remaining, were endodontically treated and divided into two groups. Group I consisted of thirty samples of Ribbond fiber post and Group II consisted of thirty samples of resin short post with omega-shaped stainless steel wire. They were tested under the universal testing machine for fracture resistance, and the fracture site was noted under the stereomicroscope. Statistical Analysis Used: Data were statistically analyzed using Windows IBM SPSS 8.0 and Student's t-test. Results: Resin short post with omega-shaped stainless steel wire showed a statistically significant high fracture resistance and retention when compared with Ribbond fiber post. Conclusions: Insufficient fiber length and shape of the fiber post had reduced its resistance to fracture, whereas resin short post and omega-shaped wire have got synergistic action when they are used together resulting in increased resistance and retention to fracture.