Clinical Investigation on Zirconia-ceramic Three-unit Bridges With CAD-on Veneering

Inclusion Criteria: * single missing posterior tooth with two adjacent posterior teeth * no acute conservative or paradontal treatment need except for the teeth to be treated in the study * sufficient oral hygiene Exclusion Criteria: * known allergies to components * bruxism * missing antagonist tooth * pregnancy or lactation * missing written consent * patients which are not expected to be compliant * severe systemic diseases * untreated carious lesions * untreated parodontitis