Transcrestal Lateral Sinus Floor Elevation in Implant Therapy

Inclusion Criteria: * Provision of informed consent * Need for T and oral implant placement. * RBH \>3mm Exclusion Criteria: * Unlikely to be able to comply with the study procedures, as judged by the investigator * Untreated periodontal disease * Unfavorable plaque control * Known or suspected current malignancy * History of chemotherapy within 5y prior to study * History of radiation on the head and neck region * History of other metabolic bone diseases * Need for systemic corticosteroids * Current or previous use of intravenous/oral bisphosphonates * Present alcohol and/or drug abuse * Involvement in the planning and conduct of the study * Psychiatric disorders which do not allow a normal treatment outcome