@article{article0ae716a4,
title   = {Comparison of external and internal implant-abutment connections for implant supported prostheses: a systematic review and meta-analysis},
author = {Lemos, Cleidiel Aparecido Araujo and Verri, Fellippo Ramos and Bonfante, Estevam Augusto and Santiago Júnior, Joel Ferreira and Pellizzer, Eduardo Piza},
year = {2018},
doi = {10.1016/j.jdent.2017.12.001},
journal   = {Journal of Dentistry}
}