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Evaluation of 3 Different Retreatment Techniques in Maxillary Molar Teeth by Using Micro-computed Tomography
Funda Yılmaz1, Cemre Koç1, Kıvanç Kamburoğlu2
1Department of Endodontics, Faculty of Dentistry, Ankara University, Ankara, Turkey.
Journal of Endodontics
|December 13, 2017
Summary
ProFile files demonstrated superior efficacy in removing root canal filling material during nonsurgical retreatment compared to ProTaper and Mtwo files. This technique also required less chair time, making it more efficient for endodontic procedures.
Area of Science:
- Endodontics
- Dental Materials Science
Background:
- Nonsurgical retreatment aims for complete root canal filling removal for effective instrumentation, disinfection, and refilling.
- Evaluating residual root-filling material is crucial for successful endodontic outcomes.
Purpose of the Study:
- To compare the efficacy of three different retreatment techniques in removing root canal filling material.
- To assess the time efficiency of each retreatment technique.
Main Methods:
- Thirty human maxillary molars, obturated with F2 ProTaper single cones and AH Plus sealer, were used.
- Retreatment was performed using ProTaper files (Group 1), Mtwo files (Group 2), and ProFile files (Group 3).
- Micro-computed tomography (micro-CT) was employed to quantify residual filling material, and working time was recorded.
Main Results:
- No technique completely removed all filling material; residual percentages were 34.45% (ProTaper), 45.43% (Mtwo), and 23.63% (ProFile).
- A statistically significant difference in residual material was observed between Mtwo and ProFile groups (P < .05).
- ProTaper and ProFile instruments showed significantly shorter working times compared to Mtwo instruments.
Conclusions:
- ProFile files were the most effective in removing residual root canal filling material.
- ProFile files also demonstrated the shortest working time, indicating greater efficiency in endodontic retreatment.
