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KMID : 0358920180450030370
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Journal of the Korean Academy of Pedodontics
2018 Volume.45 No. 3 p.370 ~ p.377
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Repair Rate of Composite Resin Restorations in Permanent First Molar in Children Under 12 Years Old
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Jeong Yun-Yeong
Nam Ok-Hyung
Kim Mi-Sun
Lee Hyo-Seol
Choi Sung-Chul
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Abstract
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Although the frequency of composite resin restoration in children is gradually increasing, there are insufficient researches about the rate of composite resin repair in children. The purpose of this study was to evaluate the repair rate of composite resin restorations in the permanent first molar in children under 12 years old. This study retrospectively analyzed 169 children treated with composite resin restoration in the permanent first molar from May 2014 to April 2015. According to the location of the tooth, the repair rate was higher in the mandible than maxilla and in the left than right. In the classification of restoration, the repair rate was the highest in the class II cavity, and the repair rate was the lowest in the restoration of the occlusal surface only. Repair rate in two years was 14.8%, and repair hazard ratio decreased with age. The most common reason of composite resin restoration replacement was the secondary caries (74.1%). Within the limits of study, the repair rate of children was higher than that of adult due to the characteristics of children. Therefore, dentists should understand these characteristics and try to reduce the repair rate of composite resin composite restorations.
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KEYWORD
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Composite resin, Restoration, Repair rate, Children, Permanent first molar
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