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Shaping Ability of Three ProFile Rotary Instrumentation Techniques in Simulated Resin Root Canals.

Authors
 Ki-Yon Kum  ;  Larz Spängberg  ;  Bruce Y. Cha  ;  Jung Il-Young  ;  Lee Seung-Jong  ;  Lee Chan-Young 
Citation
 Journal of Endodontics, Vol.26(12) : 719-723, 2000 
Journal Title
 Journal of Endodontics 
ISSN
 0099-2399 
Issue Date
2000
Keywords
Carbon* ; Chi-Square Distribution ; Coloring Agents ; Dental Alloys ; Dental Pulp Cavity/anatomy & histology* ; Equipment Design ; Humans ; Image Processing, Computer-Assisted/methods ; Incidence ; Materials Testing ; Models, Anatomic* ; Nickel ; Prevalence ; Pulpectomy/instrumentation ; Resins, Synthetic ; Root Canal Preparation/instrumentation* ; Root Canal Preparation/methods ; Rotation ; Software ; Stainless Steel ; Statistics, Nonparametric ; Surface Properties ; Time Factors ; Titanium ; Tooth Crown
Abstract
The aim of this study was to compare the shaping ability of three ProFile rotary instrumentation techniques and a conventional step-back method in simulated root canals. Prevalence of canal aberrations, change in working length, and preparation time were measured. A total of 48 composite images were made from pre- and postcanal scanned images using Corel Photopaint 8.0 and then the amount of coronal substance the instruments removed was also calculated two-dimensionally on digitized images with the Brain C software to compare the enlarging efficiency. There were no significant differences between the three rotary groups in preparation time, change in working length, and the incidence of aberrations (p > 0.05). The amount of coronal substance the instruments removed in the ProFile .04 taper group was significantly smaller than the other three groups (p < 0.05).
Full Text
https://www.sciencedirect.com/science/article/pii/S0099239905608291
DOI
10.1097/00004770-200012000-00013
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Conservative Dentistry (보존과학교실) > 1. Journal Papers
Yonsei Authors
Lee, Seung Jong(이승종)
Jung, Il Young(정일영) ORCID logo https://orcid.org/0000-0001-8972-2664
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/171697
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