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KMID : 0358920010280010082
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Journal of the Korean Academy of Pedodontics
2001 Volume.28 No. 1 p.82 ~ p.86
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A STUDY ON THE RADIOPACITY OF ESTHETIC DENTAL MATERIALS USING IN THE PEDIATRIC DENTISTRY
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Jeong Tae-Sung
Kim Shin
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Abstract
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The aim of this study was to investigate the level of radiopacity of esthetic dental restorative materials and determine the optimum level of radiopacity in pediatric dentistry. Disks of 8 dental restorative material groups as the experimental group, 7mm in diameter and 2mm thick, were radiographed with intact human deciduous teeth and aluminum stepwedge standard. Radiopacity was evaluated with an image analysis program following the digitization of the radiographs using a flatbed scanner with transparency unit. All materials and tooth structure also the significant difference except FP, VB, VM. For the radiopacity of esthetic restorative dental materials to exceed that of enamel, it should be greater than 1.7mm of equivalent thickness of aluminum.
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KEYWORD
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Esthetic dental restorative material, Radiopacity, Glass ionomer cement
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