# Clinical Performance of Lithium Disilicate Ceramic Veneers Cemented With Light-Cured Resin Cements: An Observational Study

## TL;DR

This study compared two light-cured resin cements for ceramic veneers and found both performed well in terms of color match, biocompatibility, and marginal adaptation over three months.

## Contribution

The study provides empirical evidence on the short-term clinical performance of two specific light-cured resin cements for lithium disilicate ceramic veneers.

## Key findings

- Both cements showed excellent marginal adaptation and minimal discoloration over three months.
- Color match between restored and adjacent teeth was similar for both cements, with central incisors showing better results than lateral incisors.
- Biocompatibility was high, with low plaque and bleeding scores improving over time.

## Abstract

Objective: This study aimed to evaluate and compare the clinical performance of ceramic veneers cemented with two different cements, Variolink Esthetic LC (Ivoclar, Schaan, Liechtenstein) and Vitique (DMG, Hamburg, Germany), over a three-month period.

Methods: Sixty patients (49 females and 11 males; age range = 18-45 years; mean age = 34.93 ± 7.48 years) requiring ceramic veneer restorations on anterior teeth were divided into two groups based on the cement used: Variolink (n = 30) and Vitique (n = 30). All the veneers were fabricated using lithium disilicate with a thickness between 0.5 and 0.7 mm. Clinical evaluations were performed at one week (T1) and three months (T2) after placement using the modified plaque index (mPLI), modified bleeding index (mBI), color match between restored and adjacent teeth using spectrophotometry (VITA Easyshade V, VITA Zahnfabrik, Bad Säckingen, Germany), and the modified United States Public Health Service (USPHS) criteria.

Results: At T1, 91.7% (n = 55) of cases showed no plaque (score 0), which improved to 96.7% (n = 58) at T2. Regarding the bleeding index, 95.0% of patients (n = 57) showed no bleeding (score 0) at T1, which improved to 98.3% (n = 59) at T2. The color difference (ΔE) between the restored and adjacent teeth at T1 was 2.13 ± 2.17 for Variolink and 1.91 ± 1.79 for Vitique (p = 0.673), with similar values at T2 (2.30 ± 1.42 and 2.22 ± 1.54, respectively; p = 0.751). Central incisors showed significantly better color match (ΔE = 2.10 ± 1.92) than lateral incisors (ΔE = 2.62 ± 2.08) at T2 (p = 0.04). Regarding marginal adaptation, most restorations showed perfect adaptation or minor discrepancies. Marginal discoloration was minimal.

Conclusion: This study demonstrated the excellent short-term performance of Variolink and Vitique. Both cement systems provided good marginal adaptation, color stability, and biocompatibility, with no significant differences between them.