Comparison Between Different Horizontal Ridge Augmentation Techniques

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.