Short-term Success of Implants Installed in Anterior Maxilla Grafted With Autogenous Bone or rhBMP-2 After Loading

Objectives:
The aim of the present study was to evaluate the short-term success of implants placed in anterior edentulous maxilla grafted with intraoral autogenous bone graft or rhBMP-2 after conventional prosthetic loading, through clinical and radiographic parameters.
Methods: Patients with dental implants installed in areas grafted with autogenous bone (control group, n = 12) or rhBMP-2 (test group, n = 10) were submitted to prosthetic rehabilitation and monitored for 6 months. The following clinical parameters were evaluated: plaque index, marginal bleeding index, probing depth and bleeding on probing. Implant stability was measured using resonance frequency analysis and standardized periapical radiographs were used for determining the changes in marginal bone level.
Results: No significant differences with respect to clinical parameters were detected between the groups. The ISQ values measured before (68,83 control and 67,67 test) and 6 months (68,26 control and 69,40 test) after loading were similar between the groups. There was no significant difference between ISQ values within each group. Regarding marginal bone level measurement, no significant differences could be verified between the different periods of evaluation within each group. The changes in marginal bone loss in the test and control groups were 0,28 and 0,12 mm after 3 months of loading and 0,15 and 0,08 mm after 6 months, without significant difference between the groups.
Conclusions: It was concluded that implants installed in the anterior edentulous maxilla grafted with rhBMP- 2 had similar short-term success rate than implants installed in areas grafted with intraoral autogenous bone graft.