Journal of Oral Hygiene & Health
Open Access

Abstract

Introduction: The management of the extensive loss of the tooth structure requires endodontic treatment and prosthetic reconstruction. The post and core build up is required for restoring teeth to optimum health and function. The union between a post and core should provide sufficient strength to resist intraoral tensile and compressive forces. Materials & Methods: This in vitro study evaluated the tensile bond strength of a pre-fabricated dowel post system and commonly used core build up materials. The study includes Group A- Glass ionomer cement-II and Group B- Silver amalgam. Carbon steel moulds were used to fabricate the post and core assemblies. Twenty post and core assemblies with two different core material and para-post number 5 were prepared. Tensometer model no KIPL-PC 2000 was used for testing the samples. A gradual force was applied to the specimen till a visible or audible evidence of the failure or inability of the specimen to withstand a greater load was shown. The modes of fracture were observed and the failure loads in Kg for samples were recorded. Results: Results showed that all the twenty posts and core assemblies of each group showed a fracture at the post-core interface and the posts separated out cleanly from the forces. The mean failure load for glass ionomer and amalgam group was 9.85 and 51.55 kg respectively. A highly significant differences were noted among groups (p<0.01) when compared statistically. Furthermore, the mean separation forces of the group A as compared to group B was found to be statistically significant (p<0.01).

Biography

Email: neetugulia@yahoo.com