a survey of experience-based preference of nickel-titanium rotary files and incidence of fracture among general dentists
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ID: 151479
2012
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Abstract
Objectives
The purpose was to investigate the preference and usage technique of NiTi rotary instruments and to retrieve data on the frequency of re-use and the estimated incidence of file separation in the clinical practice among general dentists.
Materials and Methods
A survey was disseminated via e-mail and on-site to 673 general dentists. The correlation between the operator's experience or preferred technique and frequency of re-use or incidence of file fracture was assessed.
Results
A total of 348 dentists (51.7%) responded. The most frequently used NiTi instruments was ProFile (39.8%) followed by ProTaper. The most preferred preparation technique was crown-down (44.6%). 54.3% of the respondents re-used NiTi files more than 10 times. There was a significant correlation between experience with NiTi files and the number of reuses (p = 0.0025). 54.6% of the respondents estimated experiencing file separation less than 5 times per year. The frequency of separation was significantly correlated with the instrumentation technique (p = 0.0003).
Conclusions
A large number of general dentists in Korea prefer to re-use NiTi rotary files. As their experience with NiTi files increased, the number of re-uses increased, while the frequency of breakage decreased. Operators who adopt the hybrid technique showed less tendency of separation even with the increased number of re-use.
| Reference Key |
lee2012restorativea
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|---|---|
| Authors | ;WooCheol Lee;Minju Song;Euiseong Kim;Hyojin Lee;Hyeon-Cheol Kim |
| Journal | expert systems with applications |
| Year | 2012 |
| DOI |
10.5395/rde.2012.37.4.201
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