Assessment of relative translucency and resultant color of contemporary resin-matrix ceramics indicated for laminate veneers and full crowns

Ugur, S; Gunal, Burcu

doi:10.4103/njcp.njcp_172_22

Niger J Clin Pract

2022

DOI: 10.4103/njcp.njcp_172_22

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Assessment of relative translucency and resultant color of contemporary resin-matrix ceramics indicated for laminate veneers and full crowns

S Ugur¹,

Burcu Gunal²

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2024

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Translucency and colour masking ability of hybrid CAD/CAM materials with different thicknesses: in vitro study

Tolba,

Hassanien

2024

BDJ Open

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Objective To evaluate effect of material thickness and translucency of two different hybrid CAD/CAM materials on their masking ability. Materials and Methods 40 rectangular-shaped specimens (12 × 14 mm) were obtained from Vita Enamic and Grandio blocks at 0.5 and 1 mm-thick (n = 10/group). Colour parameters of specimens were measured on PMMA tooth-coloured replica backgrounds (A2, C4) and black, white backings using dental spectrophotometer. Translucency parameter (TP) and masking ability (∆E00) values of tested materials with 0.5, and 1 mm thicknesses were calculated. Quantitative variables were compared between groups using student t-test. Results TP and ∆E00 significantly decreased as thickness of tested materials increased. Grandio showed significantly higher TP values. There were significantly lower ΔE00 values for Vita Enamic compared to Grandio at 1 mm thickness and inversely insignificant at 0.5 mm. The 0.5 mm-thick ∆E00 of tested materials was above clinical acceptability threshold, whereas, 1 mm-thick did not exceed showing better masking properties. Conclusions Thickness is more effective for colour masking than translucency. In thin thickness, the masking ability is less effective, irrespective of tested materials. Translucency of tested materials was affected by their composition. Both hybrid CAD/CAM materials are promising alternatives for masking dark discolouration at 1 mm-thick.

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Translucency and colour masking ability of hybrid CAD/CAM materials with different thicknesses: in vitro study

Tolba,

Hassanien

2024

BDJ Open

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Assessment of relative translucency and resultant color of contemporary resin-matrix ceramics indicated for laminate veneers and full crowns

Cited by 1 publication

References 8 publications

Translucency and colour masking ability of hybrid CAD/CAM materials with different thicknesses: in vitro study

Translucency and colour masking ability of hybrid CAD/CAM materials with different thicknesses: in vitro study

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