Quantitative evaluation of apically extruded debris with Twisted File Adaptive instruments in straight root canals: reciprocation with different angles, adaptive motion and continuous rotation

Aim To evaluate the influence of movement kinematics when using Twisted File Adaptive instruments (SybronEndo, Orange, CA, USA) (TF Adaptive) on the amount of apically extruded debris. Methodology Forty‐eight extracted mandibular incisor teeth were selected. The teeth were randomly divided into four...

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Bibliographic Details
Published in:International endodontic journal 2016-04, Vol.49 (4), p.382-385
Main Authors: Karataş, E., Arslan, H., Kırıcı, D. Ö., Alsancak, M., Çapar, İ. D.
Format: Article
Language:English
Subjects:
continuous rotation
Dental Instruments
Dental Pulp Cavity - surgery
Dentistry
Equipment Design
Humans
In Vitro Techniques
Incisor
Mandible
Materials Testing
Movement
movement kinematics
Random Allocation
reciprocation
Root Canal Preparation - instrumentation
Rotation
Tooth Apex
Twisted File Adaptive
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Summary:Aim To evaluate the influence of movement kinematics when using Twisted File Adaptive instruments (SybronEndo, Orange, CA, USA) (TF Adaptive) on the amount of apically extruded debris. Methodology Forty‐eight extracted mandibular incisor teeth were selected. The teeth were randomly divided into four groups (n ꞊ 12), and the root canals were instrumented using the following movement kinematics: TF Adaptive motion, 90° clockwise (CW) to 30° counterclockwise (CCW) reciprocating motion, 150°CW to 30°CCW reciprocating motion or continuous rotation. TF Adaptive instruments were used for all groups. Debris extruded apically during instrumentation was collected in pre‐weighed Eppendorf tubes, and after drying, the mean weight of the debris was assessed with an electronic balance. The data were analysed statistically using a one‐way analysis of variance. Results The 90° CW to 30° CCW reciprocating motion produced the highest mean extrusion value, and this was significantly greater when compared with continuous rotation (P  0.05). Conclusion Movement kinematics affected the amount of apically extruded debris when using Twisted File Adaptive instruments.
ISSN:0143-2885
1365-2591
DOI:10.1111/iej.12461