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KMID : 0358920070340040639
Journal of the Korean Academy of Pedodontics
2007 Volume.34 No. 4 p.639 ~ p.645
A STUDY ON THE COLORS OF THE ANTERIOR PRIMARY RESIN TEETH
Hyun Hong-Keun

Abstract
Removable or fixed space maintainer could be needed if one or some anterior primary teeth were missing, where resin pontics well-matched to natural primary teeth should be demanded to get an esthetic satisfaction. Resin Natural (Nissin dental, Japan) is available currently in Korea, which consists of two shades of colors; type A1 and A2. The purpose of this study is to elucidate the colors of the anterior primary resin teeth and to establish the data to compare those with the natural anterior primary teeth. CIE were measured each three times labially from 17 sets of maxillary four anterior teeth for type A1 and A2 Resin Natural using ShadeEye (Shofu, Japan) which is one of spectrophotometers. The data were analysed statistically using Kruskall-Wallis Test and Mann-Whitney U Test. The results were as follows : 1. There were smaller teeth color differences in group A1 than in group A2 when it comes to distributions of , and . There were no statistically significant differences of between teeth in the same group(P>0.05). 2. in group A1 and A2 (maximum ) were very small, which could not be discerned by eyesight. between mean CIE of group A1 and A2 was 3.97, which could be discernible by eyesight. 3. Mean measurements of group A1 were , , , and those of group A2 were , , . It would be recommended that resin teeth compatible to the colors of the natural primary ones needed to be developed by investigating in vivo study.
KEYWORD
Primary teeth, Resin teeth, Shade, Spectrophotometer, ShadeEye
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