The Esthetic Effect of Veneered Zirconia Abutments for Single-Tooth Implant Reconstructions: A Randomized Controlled Clinical Trial

Thoma, Daniel S; Brandenberg, Francine; Fehmer, Vincent; Knechtle, Nathalie; Hämmerle, Christoph H F; Sailer, Irena

doi:10.1111/cid.12388

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Thoma, D. S., Brandenberg, F., Fehmer, V., Knechtle, N., Hämmerle, C. H. F., & Sailer, I. (2016). The Esthetic Effect of Veneered Zirconia Abutments for Single-Tooth Implant Reconstructions: A Randomized Controlled Clinical Trial. Clinical Implant Dentistry and Related Research, 18, 1210–1217. https://doi.org/10.1111/cid.12388

Abstract

PURPOSE The purposes of this study were to test whether or not veneering of the submucosal part of zirconia abutments can positively influence the esthetic outcome compared with nonveneered zirconia abutments; to evaluate the influence of the mucosal thickness on the esthetic outcomes of the veneered and nonveneered abutments; and to evaluate the thickness of the peri-implant mucosa compared with the thickness of the gingiva of contralateral tooth sites. MATERIALS AND METHODS Forty-four single-tooth implants in 44 patients were ran