Journal of the Korean Academy of Pediatric Dentistry 2008;35(1):110-117.
Published online February 29, 2008.
5 YEARS EVALUATION OF COMPOSITE RESIN RESTORATION ON PERMANENT FIRST MOLAR IN CHILDREN
In-Young Kim, Jae-Moon Kim, Tae-Sung Jeong, Shin Kim
Department of Pediatric Dentistry, School of Dentistry, Pusan National University 
Correspondence:  Shin Kim,  Tel: 051-240-7450, Email: shinkim@pusan.ac.kr
Abstract
Clinical performance of resin-based composite material depends on case selection and on the proficiency of the operator. Especially, composite resin restoration on permanent first molar in children have more limitations clinically than adult patients according to stage of tooth eruption and patient's compliance. This study was designed to evaluate the clinical performance of posterior composite resin restoration in children after 5 years. 35 teeth of 16 patients who were received composite resin restoration on permanent first molar in Department of Pediatric dentistry, Pusan National University Hospital between January 2001 and December 2001 were evaluated based on Modified USPHS criteria. From the finding in this study, following conclusions can be made. 1. 6 teeth(17%) of 35 teeth was replaced, so 5-years survival rate of posterior composite resin restoration is 82.9%. 2. As results of each evaluation criteria, on color match, anatomic form, surface roughness, sensitivity/ discomfort, ideal A grade score was 86.2%, 93.1%, 86.2%, 86.2%, clinically accepted B grade score was 13.8%, 0%, 13.8%, 10.3%. On marginal adaptation and marginal discoloration, A grade score was 13.8%, 44.8% and B grade score was 79.3%, 34.5% and secondary caries rate was 20.7%. 3. 69.1% of teeth (20 teeth) was clinically accepted on all evaluation criteria.
Key Words: Pediatric restoration, Permanent first molar, Composite resin restoration, Long-term evaluation, Clinical evaluation


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