Spectrophotometric Study of the Effect of Luting Agents on the Resultant Shade of Ceramic Veneers: An Invitro Study.
BACKGROUND
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.


OBJECTIVE
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).


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.


METHODS
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.


CONCLUSIONS
Opaque luting agent gives lighter shade and transparent luting agent gives darker shade to ceramic veneers fabricated with 2L1.5 and B2 shades.
Professor and Head, Department of Prosthodontics, M.I.D.S.R. Dental College , Vishwanathpuram, Ambejogai Road, Latur, Maharastra, India .
Ajit Suryakant
AS
Jankar
Professor and Head, Department of Pedodontics, M.I.D.S.R. Dental College , Vishwanathpuram, Ambejogai Road, Latur, Maharastra, India .
Yogesh
Y
Kale
Reader, Department of Prosthodontics, MGVKBH Dental College and Hospital , Nashik. Maharastra, India .
Swati
S
Pustake
Senior Lecturer, Department of Oral Medicine and Radiology, M.I.D.S.R. Dental college , Vishwanathpuram, Ambejogai Road, Latur, Maharastra, India .
Shobha
S
Bijjaragi
Professor, Department of Pedodontics, MGVKBH Dental College and Hospital , Nashik, Maharastra, India .
Bhushan
B
Pustake
Aesthetic dentistry; Discolouration; Restoration; Spectrophotometer