Comparative evaluation for removal of gutta-percha and bio-ceramic sealers from oval root canals with reciprocating and rotary retreatment file systems: A micro-computed tomography study

Sonal Agrawal; Sheetal Mali; Ashish K Jain; Rahul D Rao; Amit Patil; Nitin Agrawal

doi:10.53730/ijhs.v6nS4.10623

Authors

Sonal Agrawal
dr.sonal211agrawal@gmail.com
PG Student, Department of Conservative Dentistry and Endodontics, Bharati Vidyapeeth Dental College and Hospital, Navi Mumbai, Maharashtra, India
Sheetal Mali Associate Professor, Department of Conservative Dentistry and Endodontics, Bharati Vidyapeeth Dental College and Hospital, Navi Mumbai, Maharashtra, India
Ashish K Jain Professor and Head of Department, Department of Conservative Dentistry and Endodontics, Bharati Vidyapeeth Dental College and Hospital, Navi Mumbai, Maharashtra, India
Rahul D Rao Professor, Department of Conservative Dentistry and Endodontics, Bharati Vidyapeeth Dental College and Hospital, Navi Mumbai, Maharashtra, India
Amit Patil Associate Professor, Department of Conservative Dentistry and Endodontics, Bharati Vidyapeeth Dental College and Hospital, Navi Mumbai, Maharashtra, India
Nitin Agrawal MBBS, MD (Medicine), FCCP(USA), CCEBDM CPD Diabetes (UK) Physician and Consultant, Lotus Multi-speciality Hospital, Navi Mumbai, Maharashtra, India

Keywords:

bioceramic sealer, cone-beam computed tomography, micro-computed tomography (micro-CT)

Abstract

Context: Residual filling material can impair the prognosis in endodontic retreatment cases. A variety of file systems have been used in both rotary and reciprocating motion. Aims: To evaluate and compare the ability of ProTaper Universal Retreatment systems, GPR Mani Retreatment systems and, V Blue Reciproc systems in removal of gutta percha and bioceramicsealer from oval root canals using micro-computed tomography. Materials and Methods: Sixty extracted human mandibular premolar with oval canals standardised with cone beam computed tomography(CBCT). Following preparation with ProTaper Next files and obturation with gutta-percha and I Root SP sealer all specimens were randomly assigned to three groups ProTaper Universal retreatment system (PTUR), GPR Mani Retreatment system and V-Blue files, (n=20). Quality of obturation was confirmed with CBCT. After 1 month, retreatment was carried out and the percentage of remaining obturating material was evaluated before and after retreatment through micro-CT imaging. Two sample means and Kolmogorov-Smirnov test were used to analyse data. Results: The V-Blue files removed 97.27% of residual filling material whereas PTUR and GPR Maniremoved 85% and 79.33% respectivelyand the difference between V-Blue and other two files tested was statistically significant (P< 0.05).

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