Sen Ozgur Genc, Bilgin Burcu, Koçak Sibel, Sağlam Baran Can, Koçak Mustafa Murat
Department of Endodontics, Faculty of Dentistry, Yuzuncu Yil University, Van, Turkey.
Department of Endodontics, Faculty of Dentistry, Bulent Ecevit University, Zonguldak, Turkey.
Braz Dent J. 2018 May-Jun;29(3):245-248. doi: 10.1590/0103-6440201801967.
The aim of this study was to compare the amount of apically extruded debris during root canal instrumentation using ProTaper Next (PTN), Twisted File (TF) Adaptive, and Reciproc instruments. Forty-five extracted human maxillary canines were selected and randomly assigned into 3 groups. The root canals were prepared using PTN instruments with continuous rotation (n=15), TF Adaptive instruments with adaptive motion (n=15), Reciproc instruments with reciprocating motion (n=15). During the preparations, canals were irrigated using distilled water and material extruded apically was collected in pre-weighed Eppendorf tubes. After a 5-day drying period in an incubator, the tubes were weighed and the dry weight of the extruded debris was calculated. Data distributions were assessed via the Shapiro-Wilk test, and groups were compared via the Kruskal-Wallis test. The greatest amount of debris extruded by TF Adaptive and the least by PTN, but the difference was insignificant between groups (p=0.259). All instrumentation systems were associated with debris extrusion.
本研究的目的是比较使用ProTaper Next（PTN）、Twisted File（TF）Adaptive和Reciproc器械进行根管预备时根尖部挤出碎屑的量。选取45颗拔除的人上颌尖牙并随机分为3组。分别使用连续旋转的PTN器械（n=15）、采用适应性运动的TF Adaptive器械（n=15）、采用往复运动的Reciproc器械（n=15）对根管进行预备。预备过程中，使用蒸馏水冲洗根管，将根尖部挤出的物质收集于预先称重的Eppendorf管中。在培养箱中干燥5天后，称量试管重量并计算挤出碎屑的干重。通过Shapiro-Wilk检验评估数据分布，并通过Kruskal-Wallis检验比较各组。TF Adaptive挤出的碎屑量最多，PTN最少，但各组之间差异无统计学意义（p=0.259）。所有预备系统均与碎屑挤出有关。
