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KMID : 1004520170330040269
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Journal of Dental Rehabilitation and Applied Science
2017 Volume.33 No. 4 p.269 ~ p.277
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A comparative study on the user satisfaction between two different piezoelectric engines
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Lim Hyun-Mi
Lee Kyu-Bok
Lee Wan-Sun
Choi So-Young
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Abstract
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Purpose: The aim of this study is to compare the performance of two piezoelectric engine systems by surveying satisfaction from dental clinicians.
Materials and Methods: Two piezoelectric systems were evaluated: TRAUS XUS10 (Saeshin), PIEZOSURGERY touch (Mectron). For this study, 20 dentists responded to the 11 questionnaires in which 5 point Likert-type scale was used. The two devices were operated for 10 seconds and measured 5 times to compare the maximum noise values. In heat emission test, the handpiece was operated for 3 minutes and heat was measured at three positions each.
Results: TRAUS XUS10 had higher satisfaction level on motor noise (P < 0.05). About function key and handpiece heat generation, PIEZOSURGERY touch showed higher satisfaction (P < 0.05) than TRAUS XUS10. The maximum noise level for each of the devices was confirmed to be 56.6 dB for the TRAUS XUS10 and 56.0 dB for PIEZOSURGERY touch. The two piezoelectric engines satisfied the safety standards with an operation temperature below 41°C after having been operated for 3 minutes.
Conclusion: Except for the function key and handpiece heat emission, TRAUS XUS10 has comparable performance with PIEZOSURGERY touch.
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KEYWORD
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piezoelectric engine, satisfaction, heat emission, handpiece noise
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