Prevalence of different reasons for a tooth to undergo root canal retreatment

Dental caries is the most common dental disease which has made non-surgical root canal treatment prevalent. However, a considerable number of cases undergo failure of root canal therapy and report to the dental operatory for retreatment. The aim of the present study was to evaluate the prevalence of different reasons to undergo root canal retreatment. A total of 269 teeth were analyzed for possible reasons for retreatment from dental archives with the study period. The inclusion criteria included that the patient should have been treated in Saveetha Dental College and should have undergone root canal retreatment within the study period. The data were statistically analyzed using SPSS by IBM version 20. From the present study, it was evident that the most common reason is incomplete obturation (54.6%) the most common tooth to undergo root canal retreatment is 21 (12.6%) Further studies and programmes are to be carried out to bring about more knowledge and prevent the occurrence of failure of root canal therapy prevalence of different reasons for a tooth to undergo root canal retreatment.