수종의 불소함유 수복재의 불소 유리 및 재충전
Fluoride Release and Recharge Properties of Several Fluoride-Containing Restorative Materials
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초록
이 연구는 두 종류의 글라스 아이오노머와 ‘alkasite’ 계열 수복재의 불소 유리 및 재충전 양상을 비교, 평가하기 위해 시행되었다. 글라스 아이오노머 Fuji Ⅸ GP와 Riva Self Cure, ‘alkasite’ 수복재인 Cention N, 복합레진 FiltekTM Z350XT의 시편을 직경 10.0 mm, 높이 2.0 mm의 원반 형태로 제작하였다. 총 28일간 불소 유리량을 측정한 이후, 각 재료별로 시편을 두 군으로 분류하였다. 실험군에는1.23% acidulated phosphate fluoride(APF) gel을 1분간 도포하고, 이후 7일간의 불소 유리량 측정을 통해 대조군과 비교하여 각 재료의 불소 재충전 여부를 평가하였다. 불소 유리량은 Riva Self Cure, Fuji Ⅸ GP, Cention N의 순으로 높게 나타났다(p < 0.05). Cention N의 불소 유리량은 Fuji Ⅸ GP의 약49% 수준으로 측정되었다. 또한, Riva Self Cure, Fuji Ⅸ GP, Cention N에서 1.23% APF gel의 도포 후 불소 유리량의 증가가 관찰되어(p < 0.05), 글라스 아이오노머뿐 아니라 Cention N에서도 불소의 재충전 양상이 확인되었다.
Abstract
The aim of the study is to compare the fluoride release and recharge properties of glass ionomer cements and ‘alkasite’. Specimens of two glass ionomer cements (Fuji Ⅸ GP and Riva Self Cure), ‘alkasite’ restorative material (Cention N) and composite resin (FiltekTM Z350XT) were prepared. The fluoride release of each specimen was measured for 28 days. Thereafter, 1.23% acidulated phosphate fluoride (APF) gel was applied to experimental groups. No treatment was performed on control groups. The fluoride release was measured for additional 7 days to evaluate the fluoride recharge properties of each materials. The fluoride release was highest in Riva Self Cure, followed by Fuji Ⅸ GP, Cention N (p < 0.05). Fluoride release of Cention N was measured to be approximately 49% of Fuji Ⅸ GP’s. After the application of 1.23% APF gel, increases in fluoride release were observed in Riva Self Cure, Fuji Ⅸ GP and Cention N (p < 0.05). Fluoride recharge was observed in Cention N as well as in glass ionomer cements. Further studies are required to evaluate the anti-cariogenic properties of Cention N at clinical conditions.
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