Clin Oral Investig 2021 Nov 17. Epub 2021 Nov 17.
Department of Operative Dentistry, Endodontics, and Pediatric Dentistry, Philipps University Marburg and University Hospital Giessen and Marburg, Campus Marburg, Georg-Voigt-Straße 3, 35039, Marburg, Germany.
Objectives: The aim of this study was to investigate whether file design and taper significantly influence microcrack initiation during machine preparation.
Materials And Methods: Sixty extracted teeth with straight single canals were selected. The teeth were randomly assigned to four groups based on their root canal anatomy and the corresponding NiTi rotary file system (I, Mtwo; II, ProTaper Universal; III, F6 SkyTaper; control, no preparation and filling). Read More