Year : 2019

Volume : Volume 10

Issue : Issue 4

Address for correspondence :
Dr. Novsheba Showkat.
novsheba.showkat31@gmail.com

Abstract

Background:  The main purpose of the study was to check the resistance to fracture for endodontically treated teeth with different designs of access cavities. Materials and Methods: 40 human extracted maxillary premolars were selected and access cavities were made using endo access burs. The total samples were divided into four groups.  The first group (group 1) consisted of teeth in which traditional endodontic access cavities were made ,the second group (group2) consisted of conservative access cavity design  group, the third group (group 3)consisted of extremely conservative or ninja access  cavity design group and the fourth group consisted of control or the intact teeth (group 4). The teeth were endodontically treated and then restored and the teeth were subjected to load on a universal testing machine. The fracture strength was recorded and the values were statistically analyzed. Results: The fracture resistance values were lowest for traditional endodontic cavity group as compared to conservative and the ninja group. The intact teeth or the control group had highest resistance to fracture. Conclusion: The Conservative and the ninja access preparations show higher resistance to fractures as compared to traditional endodontic access cavity group because of the conservation of natural tooth structure.

Keywords: Conservative endodontic access, fracture resistance, ninja endodontic access, Traditional endodontic access.