Awareness and Knowledge of Root Canal Repair Materials in Endodontic Treatments among Dentists of Abbottabad, Khyber Pakhtunkhwa, Pakistan

Abstract
Objectives: This study aimed to assess the knowledge and clinical experience of dentists towards root canal repair materials and to know the preferred material for endodontic treatments. Study design: It was a cross-sectional study based on a survey consisting of 200 questionnaires. Setting: Dental hospitals of Abbottabad. Period: March, 2022 till August, 2022. Materials and Methods: A cross-sectional study was performed on 200 dentists belonging to different dental colleges of Abbottabad. A structured questionnaire consisting of 10 questions was designed and distributed among the participants through hard and soft copies. SPSS version 22 was used for analysis of results. Results: Out of 200 questionnaires, 107 were recovered and responses received. More than 60% participants selected MTA as the material of choice for endodontic treatments, whereas, 20-30% preferred calcium hydroxide and few used Bio dentine, Modified Metal GIC, Super EBA and Decalcified Freeze Dry Bone. Conclusion: The preferred treatment for maximum participants was MTA and most of the dentists showed good awareness about root canal repair materials. Key words: Knowledge, Awareness, MTA, Root canal perforation, Repair