Shade reproduction and the ability of lithium disilicate ceramics to mask dark substrates

Maryam Iravani; Sayna Shamszadeh; Narges Panahandeh; Seyedeh Mahsa Sheikh‐Al‐Eslamian; Hassan Torabzadeh

doi:10.5395/rde.2020.45.e41

January 1, 2020Restorative Dentistry & EndodonticsOpen Access

Shade reproduction and the ability of lithium disilicate ceramics to mask dark substrates

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Key Points

To evaluate the ability of lithium disilicate ceramics to reproduce the standard A2 tooth shade and mask dark A4 substrates across varying thicknesses and translucencies.
Assessed lithium disilicate ceramic specimens (IPS e.max Press) across different translucency levels and thicknesses placed over dark A4 backgrounds.
Measured color difference values (ΔE) relative to the baseline A4 substrate and target A2 shade standards (p < 0.05).
All ceramic translucencies and thicknesses successfully masked the underlying A4 substrate, yielding ΔE values in the non-acceptable range when compared with the unmasked dark substrate.
All groups except groups 2 and 3 achieved ΔE values in the clinically acceptable range when compared with the A2 shade, with low-translucency IPS e.max Press providing superior shade reproduction.

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Implication

In vitro study demonstrates dark substrate masking by lithium disilicate ceramics, indicating low translucency optimizes natural tooth shade reproduction.

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Cite This Study

Iravani et al. (2020) studied this question.

synapsesocial.com/papers/6aa4bb22f188d5f0710a49e2 https://doi.org/10.5395/rde.2020.45.e41

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Shade reproduction and the ability of lithium disilicate ceramics to mask dark substrates

Key Points

No abstract yet

Implication

Discussion

Cite This Study

Shade reproduction and the ability of lithium disilicate ceramics to mask dark substrates

Key Points

No abstract yet

Implication

Discussion

Cite This Study

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