Rammelsberg, Peter The effect of transcrestal sinus-floor elevation without graft on the long-term prognosis of maxillary implants. [electronic resource] - Journal of clinical periodontology 05 2020 - 640-648 p. digital Publication Type: Journal Article ISSN: 1600-051X Standard No.: 10.1111/jcpe.13278 doi Subjects--Topical Terms: Dental Implantation, EndosseousDental ImplantsHumansMaxillaMaxillary Sinus--diagnostic imagingPrognosisSinus Floor Augmentation