Presence of Periopathogens in Sinus Floor Augmentation Sites: A Cohort Study.

Purpose: To investigate the effects of periopathogens on bone grafts for maxillary sinus floor augmentation and implant survival.

Materials And Methods: A cohort study was designed. Samples from maxillary sinus floor augmentation sites and from periodontal pockets in adjacent teeth of the same patients were collected during the surgery and following periodontal maintenance and plaque removal.