The effect of transcrestal sinus-floor elevation without graft on the long-term prognosis of maxillary implants.
Peter RammelsbergSamuel KilianChristopher BüschStefanie KappelPublished in: Journal of clinical periodontology (2020)
Transcrestal sinus-floor elevation has no negative effect on the long-term implant survival. Membrane perforation or negligible bone height, however, reduces the probability of 10-year survival.