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Veneer

Veneer

Veneer refers to a thin sheet of wood, typically produced to a thickness of about one-eighth of an inch or less. This material is crafted through various methods, the most common being rotary cutting. In this process, a log is mounted into a large lathe and spun against a knife edge, peeling off a continuous strip of wood as the knife penetrates deeper into the rotating log, creating a rotary-cut veneer.
Other veneering techniques include plain-slicing, quarter-slicing, and rift-slicing. These...

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Updated: Aug 26, 2025

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique

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Published on: July 27, 2022

Relevant optical properties for gingiva-colored resin-based composites.

Cristina Lucena¹, Cristina Benavides-Reyes¹, Javier Ruiz-López²

¹Department of Stomatology, Faculty of Dentistry, Colegio Máximo, Campus de Cartuja s/n. University of Granada. 18071. Granada. Spain.

Journal of Dentistry

|October 4, 2022

Summary

This summary is machine-generated.

Optical properties of gingiva-colored resin-based composites (GCRBCs) vary significantly. These differences in translucency, scattering, and absorption impact masking ability and shade matching for dental restorations.

Keywords:

Absorption Gingiva-colored resin-based composite Scattering Translucency Transmittance

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Shrinkage of Dental Composite in Simulated Cavity Measured with Digital Image Correlation

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Published on: July 21, 2014

Area of Science:

Dental Materials Science
Optical Physics
Biomaterials

Background:

Gingiva-colored resin-based composites (GCRBCs) are crucial for aesthetic dental restorations.
Understanding their optical properties is essential for predictable shade matching and masking ability.

Purpose of the Study:

To quantitatively evaluate the optical properties of various GCRBC shades.
To determine the impact of these properties on translucency and potential shade discrepancies.

Main Methods:

Prepared 17 shades of GCRBC discs and measured diffuse reflectance.
Calculated relative translucency parameter (RTP₀₀) and compared with perceptibility thresholds.
Determined scattering (S) and absorption (K) coefficients and transmittance (T%) using Kubelka-Munk equations.

Main Results:

RTP₀₀ values varied significantly across shades (8.69-21.34).
Perceptible translucency differences existed between shades of the same brand and between different brands of the same shade.
Scattering, absorption, and transmittance showed wavelength dependency and significant inter-shade variations.

Conclusions:

Significant differences in optical properties (S, K, T%) of GCRBCs lead to perceptible translucency variations.
These variations affect shade matching and the masking ability of dental composites.