Completely or partially edentulous patients suffer from resorption of the alveolar bone, they always seek rehabilitation which becomes challenging. Alveolar ridge augmentation is widely done now to offer these patients functional and esthetic restoration. Many techniques have been proposed to obtain good results of ridge augmentation. Titanium Mesh (TiMe) is widely used, also digital and computer-guided surgery now plays an important role to improve the techniques and results in ridge augmentation procedures.

Inclusion Criteria:

• Patients will have a posterior mandibular atrophic ridge
• Distance between the crest of the ridge and the superior border of the inferior alveolar canal will be from 5 mm to 7 m
• Adequate inter-arch space

Exclusion Criteria:

• Patients who have any uncontrolled systemic disease contraindicated to oral surgery ( Diabetes, hypertension, and patients under chemotherapy treatment )
• Patients who have any relevant bone disease.
• Patients who are smokers