A Multivariate Analysis of the Outcome of Endodontic Microsurgery Using MTA or ERRM as Root-End Filling Material: A Randomized Clinical Trial With Cone-Beam Computed Tomography Evaluation

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MSOB (Master of Science in Oral Biology)
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Root Repair Material
ERRM
bioceramics
MTA
root‐end filling
Endodontic microsurgery
periapical radiograph
CBCT
prognostic factors
Dentistry
Endodontics and Endodontology
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Abstract

Introduction: The purpose of this study was to compare PA and CBCT healing after EMS using MTA or ERRM as root-end filling materials in a randomized clinical trial. Materials and Methods: EMS was performed on patients with persistent or recurrent AP. The root-end filling material was randomly assigned. Regular follow-up visits were scheduled 6 months, 1 and 2 years. PA and CBCT were taken and the tooth was investigated clinically. Results: Regardless of the material, the overall PA and CBCT success rates were 95.6% and 89.1% respectively with no statistical significant difference. Evaluating each material separately, MTA success rate was 95.5% and 89.3% as assessed by PA and CBCT respectively. ERRM success rate was 95.8% and 88.7% as assessed by PA and CBCT respectively. Fisher exact test showed no statistical significant difference between the 2 materials. Pre-operative prognostic factors such as microsurgical classification, presence of cortical, size of lesion and root canal filling quality had significant effect on outcome. Follow-up factors such as alignment and depth of filling material and root fractures also had significant effect on outcome. Conclusion: The null hypothesis is accepted: there is no statistical significant difference in EMS outcome using RRM or MTA as retro-filling material. However, certain factors were found to have a significant association with outcome.

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Bekir Karabucak, DMD, MSc
Date of degree
2015-08-30
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