Comparative Study of Dentinal Defects after Root Canal Preparation with Hand Protaper, Continuous Rotation and Reciprocating Instruments
Journal Title: INTERNATIONAL JOURNAL OF SCIENTIFIC STUDY - Year 2017, Vol 5, Issue 6
Abstract
Aim: The aim of the study was to compare the root dentinal defects with Hand Protaper, continuous rotation and reciprocating instruments used to prepare root canals. Materials and Method: 120 freshly extracted teeth were used for the study. They were divided into 3 groups with 40 teeth in each group. The root canals of teeth under group I were prepared with Dentsply Hand Protaper files while teeth under group II were prepared using Dentlsply rotary protaper files, Group 3 were prepared using Reciproc system Germany. Sectioning of these teeth was done at 3, 6 and 9 mm from the apex and was evaluated for the presence of any defects. Results: The incidence of dentinal defects was 30 % in group I, 52.5% in-group II and 40 % in-group III. In coronal third 82.5% of the teeth in group I, 70% of teeth in group II and 77.5% in group III were having Score 0. However the difference was statistically insignificant (p=0.8918). In middle third 87.5% of the teeth in group I, 77.5% of teeth in group II and 82.5% in group III were having Score 0. However the difference was statistically insignificant (p=0.9323). None of the teeth showed dentinal defects in apical third in all the three groups, however only one tooth was having score 1 in group II. A significant difference in the incidence of dentinal defects between hand and rotary pro-taper (p=0.0410) was observed. The reciprocating instruments showed less dentinal defects as compared to rotary pro-taper but the results were statistically insignificant (p=0.2622). Similarly there was no significant difference between hand versus reciprocating system (p=0.3484). Conclusion: It was concluded that hand protaper files produce less number of dentinal cracks in comparison to rotary instruments, however reciprocating reotary instruments produce lesser number of dentinal defects as compared with the instruments with continuous rotation. However, for more conclusive result, a more elaborated study needs to be carried out.
Authors and Affiliations
Satish Sharma, Nanika Mahajan, Ritesh Gupta, Bhanu Kotwal, Sharad Kharyal, Vinod Tomar
Keywords
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