Corrigendum to “Clinical evaluation of composite color change in Class IV restorations” DENTAL 30S1 (2014) e-106

satisfied Class IV restoration in one or both upper central incisors. T sin (IPS Empress Direct – Ivoclar Vivadent, Schaan, Liechtenstein). B of restoration according to the CIE L*a*b* system using a reflection s er, Germany). The measurement was performed on the restoration a measured according to the evaluation period: 48 h before and after t n procedure. The color change ( E) of each tooth and restoration a *b*. Data were submitted to Mann–Whitney test (a = 5%).