Journal of Prosthodontics · 2015 · 70 citations · 19 references
Peri-implant mucosa with zirconia abutments demonstrated significantly lower mean color difference compared to titanium or gold-hued titanium abutments as measured spectrophotometrically; however, no statistical difference in patient or clinician perception/satisfaction among abutment materials was demonstrated. Patients were significantly more satisfied than clinicians.
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In vitro color changes of soft tissues caused by restorative materials.
Ronald E. Jung, Irena Sailer, Christoph H. F. Hämmerle et al. · PubMed · 2007 · 394 citations