A 12-month follow-up of primary and secondary root canal treatment in teeth obturated with a hydraulic sealer
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ORIGINAL ARTICLE
A 12-month follow-up of primary and secondary root canal treatment in teeth obturated with a hydraulic sealer Giulia Bardini 1
&
Laura Casula 2 & Emanuele Ambu 1 & Davide Musu 1 & Montse Mercadè 3 & Elisabetta Cotti 1
Received: 3 February 2020 / Accepted: 15 September 2020 # Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Objectives This randomized, controlled, pilot study assessed the outcome of non-surgical primary/secondary root canal treatments either with a novel bioactive sealer and the single-cone technique or with gutta-percha, zinc oxide-eugenol sealer (ZOE), and warm vertical compaction. Materials and methods Sixty-nine patients were randomly divided into two groups that were treated using the single-cone technique with BioRootTM RCS (Septodont) (BIO group) or warm vertical compaction with gutta-percha and ZOE sealer (PCS group). Two subsamples (BIOAP and PCSAP) comprised the cases with apical periodontitis. Treatment was undertaken by four residents using a standardized instrumentation and disinfection protocol. The periapical index (PAI) was recorded, and clinical and radiographic follow-up performed at 1, 3, 6, and 12 months. Treatment success was assessed according to “periapical healing” and “tooth survival”. The test for the equality of proportions, t tests for the equality of means, and non-parametric Ksample tests for the equality of medians were applied when appropriate. Results The survival rate was similar in the BIO and PCS (p = 0.4074) and the BIOAP and PCSAP groups (p = 0.9114). The success rate was higher in the BIO groups, but not statistically significant (p = 0.0735). In both BIOAP and PCSAP groups, a progressive decrease in the PAI was observed. Conclusion At 12 months, both techniques showed reliable results. Further studies and longer follow-ups are needed. Clinical relevance This study documents the feasibility of using a bioactive sealer in conjunction with the single-cone technique to obturate the root canal and obtaining a predictable outcome. Trial registration ClinicalTrials.gov Identifie: NCT04249206 Keywords Root canal obturation . Bioactive sealers . Single cone . Endodontic outcome
Introduction Apical periodontitis (AP) is a chronic inflammatory disease caused by an endodontic infection and is characterized by hard tissue resorption and destruction of periapical tissues [1, 2]. Apical periodontitis can be prevented or treated by an appropriate root canal treatment (RCT) [3]. According to the recent
* Giulia Bardini [email protected] 1
Department of Conservative Dentistry and Endodontics, University of Cagliari, Cagliari, Italy
2
Department of Medicine and Public Health, University of Cagliari, Cagliari, Italy
3
Department of Dentistry, University of Barcelona, Barcelona, Spain
literature, the estimated weighted success rates of primary and secondary RCTs range between 68–85% and 70–86%, respectively, when strict criteria are used [3–7]. The quality of the root canal filling is a very important potential prognostic factor
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