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Background: Optical impairments of teeth in the esthetic zone constitute a problem for many dentists and patients as several studies concluded that patients were dissatisfied of their dental appearance because of their restorations' color. The purpose of this study was to assess patient satisfaction combined with shade matching of VITA SUPRINITY versus lithium disilicate (IPS e-max CAD) all-ceramic crowns in esthetic zone. Methods: 26 patients with teeth problems indicated for full coverage restoration on one tooth in the esthetic zone (from upper central incisor to 1 st premolar) were randomized into 2 equal groups (n=13) for which different CAD-CAM ceramic materials were used; (VITA SUPRINITY) a zirconia reinforced lithium silicate ceramic and (IPS e.max CAD) lithium disilicate glass ceramic. The crowns were fabricated to match the shade of the contra-lateral/ adjacent tooth and assessed using the modified USPHS criteria. Also patient satisfaction was assessed. The data obtained by evaluating each assessment criteria were statistically analyzed using the Chi-square test that was performed in categorical data. Results: According to the modified USPHS criteria, 100% of the patients were Alpha score with 0% for Bravo, Charlie and Delta scores in both groups. While according to the visual analogue scale (VAS), 100% of the patients were satisfied while 0% were dissatisfied by the restoration in both groups. Conclusions: The results for both materials in terms of patient satisfaction and shade matching were Alpha. This indicated that both materials are clinically accepted to be used as full coverage restorations for excellent esthetic outcome. Registration: NCT0284611 .

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Evaluation of patient satisfaction and shade matching of Vita Suprinity versus lithium disilicate (E-max) ceramic crowns in the esthetic zone: a randomized controlled clinical trial