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Year : 2018  |  Volume : 8  |  Issue : 1  |  Page : 1-6

Quality of root canal treatment of molar teeth provided by Saudi dental students using hand and rotary preparation techniques: Pilot study

Department of Restorative Dental Science, College of Dentistry, King Saud University, Riyadh, Saudi Arabia

Correspondence Address:
Dr. Kholod Khalil Almanei
Department of Restorative Dental Science, College of Dentistry, King Saud University, P.O. Box 32306, Riyadh 11428
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/sej.sej_39_17

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Aim: To compare the quality of root canal treatment provided by dental students in relation to different root canal preparation techniques. Materials and Methods: A pilot study was conducted at King Saud University. Root canal treatments of 46 molar teeth performed by 23 female dental students were included in this study. Each student prepared two molars teeth, first molar prepared with stainless steel (SS) hand K-files using step-back technique and the other molar prepared with ProFile rotary nickel-titanium (NiTi) files in a crown-down manner. Preoperative, working and postoperative periapical radiographs were assessed to evaluate the quality of root canal treatment based on the following criteria; obturation length, density, taper and presence of procedural errors. The data were statistically analyzed using exact conditional logistic regression test and the level of significance was set at 0.05. Results: The percentage of root canal treatment with adequate length was better with the use of NiTi rotary instruments (65.5%) compared to SS hand files (34.5%). No difference between the obturation density and taper in both techniques (P = 1.000) (P = 0.6875). The incidence of procedural errors in teeth prepared with SS hand files (68.2%) was significantly more frequent compared with NiTi rotary group (31.8%). There was a statistically significant relationship between overall quality of root canal treatment and endodontic preparation techniques (P = 0.0386). Conclusion: The quality of root canal treatment performed by King Saud University undergraduate dental student was significantly better in teeth prepared by NiTi rotary filing technique than teeth instrumented with SS hand file.

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