Current Trends in Regenerative Endodontics: A Web-based Survey.

The aim of this study was to ascertain the current trends in regenerative endodontic procedures (REP) among clinicians, including case selection criteria and clinical protocols. An online questionnaire consisting of provider demographics, case selection criteria for REP, and clinical protocols was made available to members of the American Association of Endodontists and to members of the EndoLit website. Data was analyzed using Fisher's exact test. Two hundred seventy-two responses were analyzed (64.6% were male and 34.7% were female). Of those, 44.5% of respondents practiced in the USA, and 55.5% practiced outside of the USA. Most respondents (85.4%) reported performing REP in their practice, and 92.2% were using NaOCl as one of their disinfecting irrigants. Calcium hydroxide was the most commonly used intracanal medicament (68.4%), and the majority of respondents utilize a blood clot alone as the scaffold (73.5%). Most (93%) of providers reported used a bioceramic material for coronal capping. Practitioners outside the USA were found to be more likely to use adjunctive irrigation activation (p=0.003). Younger practitioners preferred REP over apexification (p=0.10). Practitioners outside the USA were more likely to perform REP in one visit (p=0.006). Males were found to be more likely to always instrument the canal walls (p=0.031). Females were found to more likely to use manual irrigant activation, whereas males were more likely to use sonic activation (p=0.043). There is significant heterogeneity within REP regarding case selection and clinical protocol. Notable differences were observed from the reported findings of REP from 5 years ago.

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