Sixteen patients were selected from the Outpatient Clinic of the Oral and Maxillofacial Surgery Department, Faculty of Dentistry, Mansoura University for replacement of missed single tooth / teeth in posterior atrophic mandible by dental implant. Patients' grouping: Patients were divided randomly into two equal uniform groups as follow: Group I: Eight implants were placed in patients of missing single tooth / teeth in posterior mandible with subsequent horizontal ridge augmentation by decompression technique. Group II: Eight implants were placed in patients of missing single tooth / teeth in posterior mandible with subsequent horizontal ridge augmentation by ridge splitting technique using piezosurgery. All patients were evaluated clinically and radiographically at regular time interval immediately, 6 and 12 months after surgery.
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Alveolar ridge width
Timeframe: 12 months