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KMID : 1020220160160040635
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Journal of Korean Society of Dental Hygiene
2016 Volume.16 No. 4 p.635 ~ p.641
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Scanning electron microscopic study on characteristics of tooth surface when using gracey curet and ultrasonic scaler
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Nam Yong-Ok
Lee Hwa-Jeong
Choi Mi-Hye
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Abstract
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Objectives: The purpose of this study is to assess the characteristics of tooth surface after using Gracy curet and Ultrasonic scaler
Methods: In this study, 12 teeth extracted were used. 12 specimens were divided into three groups with the same numbers, which were classified into Control group, Gracy curet use group, and Ultrasonic scaler use group, and after performing instrument operation, we measured the roughness and the loss degree of tooth surface by using SEM.
Results: In groups using Gracy curet and Ultrasonic scaler, the roughness and the loss of tooth surface increased significantly(p<0.05). In the roughness of groups using Gracy curet and Ultrasonic scaler, Ultrasonic scaler group was higher in crown, but Gracy curet group was higher in root. As a result of observation through SEM, the roughness and the loss degree increased in order of Control group, Ultrasonic scaler use group, and Gracy curet use group.
Conclusions: Taken together above results, both hand instrument and ultrasound equipment create roughness and loss in crown and in root, and hand instruments makes rougher than ultrasonic instruments in root, so it is thought to require thorough and accurate technical application not to damage tooth surface when removing plaque.
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KEYWORD
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curet, gracey curet, scaler, SEM, ultrasonic scaler
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