Bjarni E. Pjetursson

Systematic review of the survival rate and the incidence of biological, technical, and aesthetic complications of single crowns on implants reported in longitudinal studies with a mean follow-up of 5 years.

Daniel S. Thoma, Marcel Zwahlen, M. Zwahlen, 2012, Clinical oral implants research.

A systematic review of the survival and complication rates of implant-supported fixed dental prostheses (FDPs) after a mean observation period of at least 5 years.

Ronald Jung, Marcel Zwahlen, Daniel Thoma, 2012, Clinical oral implants research.

A systematic review of the survival and complication rates of all‐ceramic and metal–ceramic reconstructions after an observation period of at least 3 years. Part II: fixed dental prostheses.

Irena Sailer, Marcel Zwahlen, M. Zwahlen, 2007 .