Cortical Bone Plate Versus Cortico-cancellous Block Graft

Inclusion Criteria: * Eligible patients aged 18 years or older with partial edentulism of the mandible * The residual ridge width must be 4 mm or less * Intra-oral donor sites should be available in the external oblique ridge and symphyseal area Exclusion Criteria: * Patients with general contraindications for implant surgery such as uncontrolled diabetes * Irradiation of the head and neck region * Intravenous bisphosphonate * Pregnancy * Smokers, alcoholics and drug abusers