Clinical and radiographic evaluation of the efficacy of vital- os bone cement in stabilizing an autogenous monocortical bone graft in the repair of oroantral fistula (a comparative study)

Abstract

One clinical complication oral surgeons encounter is oroantral communication (OAC) with progressive formation of oroantral fistula (OAF). Among bone grafting materials, autogenous bone is still considered the gold standard in grafting oral and maxillofacial regions. To evaluate clinically and radiographically the efficacy of Calcium phosphate (Vital-Os) bone cement in stabilizing an autogenous bone graft in repairing an oroantral fistula. The study recruited 20 patients with an oroantral fistula ranging from 4-10 mm diameter. Ten patients were treated by grafting the defect with bone graft harvested from the chin area and closure of oroantral by buccal advancement flap and Vital-Os Bone cement (Study group), and ten patients were treated without Vital-Os Bone cement (Control group). All patients came for postoperative follow-up at the 1st, 3rd, and 6th months. Visual Analogue Scale (VAS) in the study group was significantly lower than the control group one week and one month postoperatively (p = .007, .004; respectively). Failure of the oroantral fistula closure was significantly lower in the study group (p = .025). The closure of an oroantral fistula is recommended through the use of an autogenous bone graft harvested from the chin region, supplemented by the application of injectable VitalOs bone cement to secure the graft at the recipient site.