The influence of repeated abutment changes on peri-implant tissue stability: 3-year poste-loading results from a multicentre randomised controlled
By Eriberto Bressan, Maria Gabriella Grusovin, Ferdinando D'Avenia, Konrad Neumann, Luca Sbricoli, Giuseppe Luongo, Marco Esposito
Published in Eur J Oral Implantol 2017