Ajit Suryakant Jankar1, Yogesh Kale2, Swati Pustake3, Shobha Bijjaragi4, Bhushan Pustake5. 1. Professor and Head, Department of Prosthodontics, M.I.D.S.R. Dental College , Vishwanathpuram, Ambejogai Road, Latur, Maharastra, India . 2. Professor and Head, Department of Pedodontics, M.I.D.S.R. Dental College , Vishwanathpuram, Ambejogai Road, Latur, Maharastra, India . 3. Reader, Department of Prosthodontics, MGVKBH Dental College and Hospital , Nashik. Maharastra, India . 4. Senior Lecturer, Department of Oral Medicine and Radiology, M.I.D.S.R. Dental college , Vishwanathpuram, Ambejogai Road, Latur, Maharastra, India . 5. Professor, Department of Pedodontics, MGVKBH Dental College and Hospital , Nashik, Maharastra, India .
Abstract
INTRODUCTION: Dentistry has found practically the best available aesthetic answer, is ceramic restoration. There are various factors that contribute to the success of ceramic veneers, like colour of underlying tooth, thickness if ceramics and the type of underlying luting cement. Shade selection and matching remains still challenge, however the shade of luting agent used for cementation of veneers produces a change in resultant shade of veneers. AIM: To compare and analyze the spectrophotometric effect of opaque and transparent luting agent on resultant shade of ceramic veneers made of 2L1.5 shade (Vitapan 3D-Masters) and B2 shade (Vitapan Classic). MATERIALS AND METHODS: Out of 15 ceramic veneers of 2L1.5 shade (VITAPAN 3D- Master), seven teeth cemented with opaque cement and eight teeth with transparent cement shade of dual cure resin cement (Variolink II(TM)). Out of 10 ceramic veneers of B2 shade (VITAPAN Classic), five teeth were cemented with opaque cement and other five teeth with transparent cement shade of dual cure resin cement (Variolink II(TM)). Spectrophotometric (Macbeth U.S.A.) analysis of all ceramic veneer crowns done with optiview software and readings were recorded in Commission Internationale de I' Eclairge {CIELAB} system and dE value was calculated. STATISTICAL ANALYSIS: Statistical analysis was done by using Paired t-test. RESULTS: Spectrophotometric analysis of all the veneers cemented with opaque luting agent were lighter in shade due to significant change in dL value. Veneers cemented with transparent luting agent were darker in shade due to significant change in the dL value. CONCLUSION: Opaque luting agent gives lighter shade and transparent luting agent gives darker shade to ceramic veneers fabricated with 2L1.5 and B2 shades.
INTRODUCTION: Dentistry has found practically the best available aesthetic answer, is ceramic restoration. There are various factors that contribute to the success of ceramic veneers, like colour of underlying tooth, thickness if ceramics and the type of underlying luting cement. Shade selection and matching remains still challenge, however the shade of luting agent used for cementation of veneers produces a change in resultant shade of veneers. AIM: To compare and analyze the spectrophotometric effect of opaque and transparent luting agent on resultant shade of ceramic veneers made of 2L1.5 shade (Vitapan 3D-Masters) and B2 shade (Vitapan Classic). MATERIALS AND METHODS: Out of 15 ceramic veneers of 2L1.5 shade (VITAPAN 3D- Master), seven teeth cemented with opaque cement and eight teeth with transparent cement shade of dual cure resin cement (Variolink II(TM)). Out of 10 ceramic veneers of B2 shade (VITAPAN Classic), five teeth were cemented with opaque cement and other five teeth with transparent cement shade of dual cure resin cement (Variolink II(TM)). Spectrophotometric (Macbeth U.S.A.) analysis of all ceramic veneer crowns done with optiview software and readings were recorded in Commission Internationale de I' Eclairge {CIELAB} system and dE value was calculated. STATISTICAL ANALYSIS: Statistical analysis was done by using Paired t-test. RESULTS: Spectrophotometric analysis of all the veneers cemented with opaque luting agent were lighter in shade due to significant change in dL value. Veneers cemented with transparent luting agent were darker in shade due to significant change in the dL value. CONCLUSION: Opaque luting agent gives lighter shade and transparent luting agent gives darker shade to ceramic veneers fabricated with 2L1.5 and B2 shades.
Authors: Alma Dozić; Cornelis Johannes Kleverlaan; Marcel Meegdes; Jef van der Zel; Albert Joseph Feilzer Journal: J Prosthet Dent Date: 2003-12 Impact factor: 3.426
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