Mini Distractor in Vertically Deficient Bone

Inclusion Criteria: * Acquired alveolar defects (Post extraction, Traumatic avulsion of teeth, Periodontal disease, After tumor resection), congenital alveolar defects, vertically deficient edentulous ridge in maxillary or mandibular anterior region with * Allen Type A moderate vertical ridge deficiency (3-6mm) Exclusion Criteria * Medically compromised patients * Subjects who underwent radiotherapy or chemotherapy * Smokers and * Radiographic presence of less than 5mm of anterior maxillary and mandibular bone height