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Effect of Ceramic Thickness and Luting Agent Shade on the Color Masking Ability of Laminate Veneers

The main objective of the study was to recognize the effect of ceramic thickness and luting agent on the extent to which the restoration masks color variations that may be present in the underlying dental structure. Two pressable ceramics were used: Lithium disilicate reinforced (IPS e.max- Ivoclar...

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Published in:The journal of Indian Prosthodontic Society 2014-12, Vol.14 (Suppl 1), p.46-50
Main Authors: Begum, Zubeda, Chheda, Pratik, Shruthi, C. S., Sonika, Radhika
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description The main objective of the study was to recognize the effect of ceramic thickness and luting agent on the extent to which the restoration masks color variations that may be present in the underlying dental structure. Two pressable ceramics were used: Lithium disilicate reinforced (IPS e.max- Ivoclar Vivadent) and Leucite reinforced (Cergo- Dentsply). Fifteen ceramic discs were manufactured from each ceramic and divided into three groups, according to the thickness (0.5, 1, 1.5 mm). To simulate the color of a dark underlying dental structure, background discs, color C3, with 20 mm diameter, were made using resin composite. The ceramic discs with varying thicknesses were seated on the dark background of the resin composite with either resinous opaque cement or resinous cement. The color parameters were determined by the CIE Lab system of colors using a spectrophotometer and color differences (ΔE) were calculated. The results were then statistically analyzed, using ANOVA test and Tukey HSD test. The ΔE values of both ceramic systems were affected by both the luting agent and the ceramic thickness ( P  
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source Publicly Available Content Database (Proquest) (PQ_SDU_P3); Medknow Open Access Medical Journals; PubMed Central
subjects Dentistry
Medicine
Original
Original Article
title Effect of Ceramic Thickness and Luting Agent Shade on the Color Masking Ability of Laminate Veneers
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