Color Match of a Universal-shade Composite Resin for Restoration of Non-carious Cervical Lesions: An Equivalence Randomized Clinical Trial

Author:

Miranda AO1,Favoreto MW2,Matos TP3,Castro AS4,Kunz PVM5,Souza JL6,Carvalho P7,Reis A8,Loguercio AD9

Affiliation:

1. Amanda de Oliveira de Miranda, graduate student, Department of Restorative Dentistry, School of Dentistry, Tuiuti University of Paraná, Curitiba, PR, Brazil

2. Michael Willian Favoreto, DDS, MSc, PhD student, Department of Restorative Dentistry, School of Dentistry, State University of Ponta Grossa, Ponta Grossa, Brazil

3. Thalita P. Matos, DDS, MSc, PhD, Department of Restorative Dentistry, School of Dentistry, Tuiuti University of Paraná, Curitiba, PR, Brazil

4. Andrea dos Santos de Castro, DDS, MSc, PhD, Department of Restorative Dentistry, School of Dentistry, Tuiuti University of Paraná, Curitiba, PR, Brazil

5. Patrícia Valéria Manozzo Kunz, DDS, MSc, PhD, private clinic, Curitiba, PR, Brazil

6. Jaqueline de Lima de Souza, graduate student, Department of Restorative Dentistry, School of Dentistry, Tuiuti University of Paraná, Curitiba, PR, Brazil

7. Pamela de Carvalho, graduate student, Department of Restorative Dentistry, School of Dentistry, Tuiuti University of Paraná, Curitiba, PR, Brazil

8. Alessandra Reis, DDS, PhD, Department of Restorative Dentistry, School of Dentistry, State University of Ponta Grossa, Ponta Grossa, Brazil

9. *Alessandro D. Loguercio, DDS, MSc, PhD, Department of Restorative Dentistry, School of Dentistry, State University of Ponta Grossa, Ponta Grossa, Brazil

Abstract

SUMMARY Purpose The objective of this double-blind, split-mouth, randomized clinical trial was to evaluate the color match of a single-shade composite resin Admira Fusion X-tra in comparison with a multi-shade composite resin Admira Fusion in non-carious cervical lesion restorations (NCCLs). Methods and Materials One hundred and twenty restorations were performed on NCCLs with two restorative materials (n=60). After prophylaxis, the teeth were isolated with a rubber dam, and one universal adhesive was applied in the selective enamel etching strategy. For both groups, the restorations were inserted incrementally and light-cured. The values of the coordinates L*, a*, and b* in the cervical third before vs after the restorations and cervical vs middle third after the restorations were evaluated using a digital spectrophotometer after the coordinate values were used to calculate the CIEDE (ΔE00). The restorations were evaluated at baseline and after 7 days of clinical performance according to the FDI criteria. Statistical analysis was performed using the Chi-square test for all parameters. Color change was analyzed by Student t-test for paired samples (α=0.05). Results All restorations were evaluated after 7 days. Regarding the color measurement, no significant difference was observed when Admira Fusion was compared to Admira Fusion X-tra for any of the comparisons performed (p>0.05). However, the values of ΔE00 in the cervical third before vs after the restorations were higher when compared with ΔE00 observed when the cervical vs middle third after restorations were compared. All restorations received the score “clinically very good” after 7 days for all outcomes, including the subjective color match, when evaluated for FDI criterion. Conclusions The single-shade composite resin used achieves the same color match when compared to a multi-shade composite resin after 7 days in NCCLs.

Publisher

Operative Dentistry

Subject

General Dentistry

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