NCT02937220.

Trial name or title	'Influence of superstructure material on crestal bone resorption and aesthetic outcome of dental implants'
Methods	Randomised, parallel‐group study
Participants	34 patients in need of a single implant‐supported crown in the aesthetic region
Interventions	Group 1: implant‐supported monolithic zirconia crown Group 2: implant‐supported metal ceramic crown
Outcomes	Survival PES (time frame: 1 year, pink aesthetic scoring system for soft tissue aesthetics) Crestal bone resorption
Starting date	December 2016
Contact information	Ahmed Roshdy Radwan, Cairo University, Egypt
Notes