@article{202203.0317, doi = {10.20944/preprints202203.0317.v1}, url = {https://doi.org/10.20944/preprints202203.0317.v1}, year = 2022, month = {March}, publisher = {Preprints}, author = {Gherlone Enrico Felice and D’Orto Bianca and Nagni Matteo and Capparè Paolo and Raffaele Vinci}, title = {Tilted Implants and Sinus Floor Elevation Techniques Compared in Posterior Edentulous Maxilla: Retrospective Clinical Study of Four Years Follow-up}, journal = {Preprints} }