Bacterial influence on consolidation of bone grafts in maxillary sinus elevation

Abstract

Patients with bacteria-positive cultures obtained previously to the sinus grafting procedure have greater risk of bone height loss after 9 months, which indicates that bacterial contamination may influence bone graft regeneration.

The antibiotic of choice determined by antibiogram in maxillary sinus elevation surgery: a clinical study

“…Nineteen interventions with positive cultures were performed on the right side and 22 on the left side, while for negative cultures, 88 were on the right and 98 on the left. No significant differences were found between the sides of intervention in relation to positive or negative samples (Carreño Carreño et al 2016).…”

“…Ifdue to some specific circumstance (the removal of tissue during surgical intervention, a drop in the patient's defenses, colonization of other tissue, a change of the germs' usual habitat)they change pathogenicity and produce infection, in most cases this will only cause slight symptoms that clear up in a few days without antibiotic treatment. But single contamination of a graft by these saprophyte germs will produce severe consequences for the regenerated bone (Carreño Carreño et al 2016).…”

“…), patients were prescribed Ibuprofen (600 mg every 8 h), 0.2% chlorhexidine mouthwashes (rinsing 1 min twice daily for 2 weeks), and amoxicillin (1 g every 12 h). Sutures were removed after 10 days, and checkup appointments were arranged every 2 months up to the ninth month after surgery when the second set of panoramic radiographs and CT scans was obtained before performing implant placement (Carreño Carreño et al 2016). Criteria put forward by Fugazzotto were applied to determine whether surgery had been successful (Fugazzotto & Vlassis 1998).…”

Rational Prophylactic Antibiotic Selection for Sinus Elevation Surgery

“…These species are also isolated from non‐inflamed maxillary sinuses . Bacterial contamination of graft material during SES may arise from two different sources—the oral cavity or the maxillary sinus—each source representing a distinct microbiota . Surgical access to the antrum through the lateral maxillary sinus wall may allow entry of bacteria from the oral cavity, and intraoperative perforation of the Schneiderian membrane, a complication detected in up to 60% of cases, may permit graft access to commensal species in the maxillary sinus.…”

“…Surgical access to the antrum through the lateral maxillary sinus wall may allow entry of bacteria from the oral cavity, and intraoperative perforation of the Schneiderian membrane, a complication detected in up to 60% of cases, may permit graft access to commensal species in the maxillary sinus. In perspective, graft contamination during SES may be inevitable …”