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Clinical Efficacy of Sealer-based Obturation Using Calcium Silicate Sealers: A Randomized Clinical Trial

 Ji-Hyung Kim  ;  Sin-Yeon Cho  ;  Yoonwoo Choi  ;  Do-Hyun Kim  ;  Su-Jung Shin  ;  Il-Young Jung 
 JOURNAL OF ENDODONTICS, Vol.48(2) : 144-151, 2022-02 
Journal Title
Issue Date
Calcium Compounds ; Epoxy Resins / therapeutic use ; Humans ; Root Canal Filling Materials* ; Root Canal Obturation ; Silicates / therapeutic use ; Treatment Outcome
Outcome ; postoperative pain ; root canal treatment ; sealer-based obturation ; warm vertical condensation
Introduction: This randomized controlled clinical trial compared the clinical efficacy and outcome of a sealer-based obturation technique (SBO) with calcium silicate sealers and a continuous wave of condensation technique (CWC) with a resin-based sealer.

Methods: Root canals were prepared using rotary instruments and 2.5% sodium hypochlorite. At the next visit, patients were enrolled and randomly assigned into 2 groups on the basis of the obturation protocol: CWC with AH Plus sealer and SBO with Endoseal TCS. Patients were assessed for the level of postoperative pain using a numeric rating scale. The quality of root canal obturation was evaluated in terms of the sealer extrusion, root-filling voids, and level of root filling. The participants were recalled after at least 6 months. Healing of the teeth was determined as a decrease in Periapical Index score and resolution of symptoms. The results were statistically compared by using the χ2 test or Fisher exact test, followed by multivariate analysis with logistic regression.

Results: A total of 74 teeth were included in the analysis (79% recalls), and the mean follow-up period was 17 months (6-29 months). Two groups expressed identical distribution of postoperative pain (P = .973) and similar quality of root canal obturation. The total success rates were 93.2% (CWC 92.3%, SBO 94.3%) by loose criteria and 60.8% (CWC 51.3%, SBO 71.4%) by strict criteria, with no significant differences between the 2 groups. The success rate by loose criteria in teeth with sealer extrusion was significantly lower than those in teeth without sealer extrusion (P = .049).

Conclusions: SBO using an Endoseal TCS could be a possible alternative to CWC using AH Plus. Sealer extrusion and postoperative pain were found to negatively impact prognosis of the endodontic treatment.
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Conservative Dentistry (보존과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Dohyun(김도현) ORCID logo https://orcid.org/0000-0002-0772-6985
Shin, Su Jung(신수정) ORCID logo https://orcid.org/0000-0001-5795-3919
Jung, Il Young(정일영) ORCID logo https://orcid.org/0000-0001-8972-2664
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