Direct maxillary sinus floor augmentation and simultaneous implant placement for rehabilitation of the severely resorbed posterior maxilla: A prospective clinical study

Pulkit Khandelwal, Vikas Dhupar, Francis Akkara, Neha Hajira
Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research 2020, 31 (3): 449-456

Aims and Objectives: The aim of this prospective clinical study was to evaluate the success of one-stage direct (lateral) sinus lift procedure in severely atrophic posterior maxilla.

Materials and Methods: One-stage direct (lateral) sinus lift procedure was carried out at 15 sites in 13 patients. All patients included in the study presented with partially edentulous posterior maxilla with one or more missing teeth and residual bone height less than 5 mm. Three months after surgery, patients were evaluated to access increase in residual bone height, density of new bone formed and implant stability. Patients were also evaluated after 3 months of prosthetic placement for the success of implant-supported prosthesis.

Results: At 3 months post-operatively, increase in residual bone height was 8.31 ± 1.63 mm and the mean density of the newly formed bone around the implants was 417 ± 66.61 HU. All implants were stable and successfully osseointegrated, except one implant that was lost. The success rate of implant stability was 96.3% during the study period.

Conclusion: Single-stage direct (lateral) maxillary sinus floor augmentation is a good treatment option with predictable outcome for patients with deficient alveolar bone in posterior maxilla.

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