심미성 수복재료의 착생경향에 관한 연구
A study on the staining tendency of ethetic restorativfe materials
신흥수, 이동근, 조영곤,
소속 상세정보
신흥수 ( ) - 조선대학교
이동근 ( ) - 조선대학교
조영곤 ( ) - 조선대학교
KMID : 0362319950200010372
Abstract
The staining tendency of esthetic restorative material was very important factor for the people who are great concern about the esthetics. Most external stains were superficial and adjustable by routine prophylactic procedure. But some of these
stains
were remained under superficial stain. Some of these stains were accumulative on external tooth surface and it's removal alter the anatomic contour of restoration.
The purpose of this study was to evaluate and compare the staining tendency of esthetic restorative materials to sitaining solution. In this study two glass-ionomer cements (Fuji II Glass-Ionomer cement and Fuji II LC Glass-Ionomer cement) and
three
composite resins (Sil? Plus, APH and P-50) were evaluated and compared. Total 8 disc-shaped specimens of each material (17mm diameter, 1mm thick) were immersed in coffee staining solution. These specimens were divided into one control and 3
experimental
groups according to the immersion period as follows:
Control : immersed in distilled water during each testing period
Group 1 : immersed in staining solution for 6 hours
Group 2 : immersed in staining solution for 24 hours
Group 3 : immersed in staining solution for 72 hours
Staining tendency was evaluated by total color difference(△E) of specimen before and after staining by spectorcolorimeteric readings(ColorQUEST Spectrophotometer, U.S.A.)
@ES The results were as follows :
@EN 1. The total color differences of each testing materials were increased with time.
2. Among the experimental groups, the Fuji II Glass Ionomer Cement showed the highest total color difference(6.803) and the Silux Plus showed the lowest total color difference(1.637).
3. In comparison of glass ionomer cements, the total color difference of chemical cured glass ionomer cements(6.803) were higher than light cured glass ionomer cements(3.891) (P<0.01).
4. In comparison of composite resins, the P-50 showed the highest total color difference and the Silux Plus showed the lowest total color difference, but there was not significant difference among composite resins(P>0.05).
키워드
원문 및 링크아웃 정보
등재저널 정보