Evaluation of Effectiveness of three Preparing Systems (Reciproc blue -WaveOne gold -AF blue R3) in Severe Simulated Root Canals (An In Vitro Study)

دراسة مخبرية

Abstract

Background & Aim: Preparing the root canals is one of the most important steps in endodontic treatment, as the success of endodontic treatment is highly dependent on getting it done correctly. One of the main objectives of root canal preparation is to follow the original anatomy of the canal and maintain its curvature and the relationship of the apical foramen with periapical tissues. So, the objective of this in-vitro study is to evaluate the effectiveness of three reciprocating single-file systems in preparing simulated severely curved root canals in terms of maintaining the centrality of the canal.

Materials and Methods: The study sample, which consisted of 45 artificial canals with an angle of curvature of 40 degrees were randomly distributed into three equal groups according to the preparing system used, the first group: Reciproc blue, the second group: WaveOne gold, the third group: AF Blue R3. All artificial canals were scouted with k-file #10, then red dye was inserted inside the canals and photographs were taken before preparation. Subsequently, the canals of each group were prepared using their single-file preparing system size #25. Other photographs of the sample were taken after preparation, and then the images of the two phases for each artificial canal were combined using AutoCAD version 2020. The study area was isolated and the canals were divided into three equal parts. The preparation area was measured from the right and left sides in each part along the canal, then the data were analyzed and statistical analyzes were performed using SPSS version 24.

Results: There were no statistically significant differences in the amount of resin removed from the right and left sides in the coronal and apical thirds of Reciproc blue and WaveOne gold groups (P>0.05), while a statistically significant difference was found in the middle third in both groups (P<0.05). It was also found statistically significant differences in AF Blue R3 group in coronal, middle and apical thirds (P<0.05), where the amount of resin removed from the right was greater than the left.

Conclusions: Reciproc blue and Wave One gold preparation systems maintained the anatomical shape and centrality of the canal with the latter exceeding the minimum deviation, while the AF Blue R3 preparation system caused the greatest volumetric changes related to the amount of resin removed in most study areas.

Keywords: Reciproc Blue-WaveOne gold-AF Blue R3- Simulated root canals- canal centrality.