Computer Guided Modified Ridge Splitting Versus Free Hand Technique in Horizontal Deficiency in Posterior Mandible

Inclusion Criteria

• •posterior mandible with horizontal deficient alveolar ridge that is from 2 to 4 mm measured from the crest of the alveolar ridge buccolingually
• •Age range from 25-55 years. No sex predilection.
• •Patients free from any systemic conditions and bone metabolism diseases that might interfere with the surgical intervention, soft tissue or hard tissue healing.
• •Patients of adequate alveolar bone width.
• •Both genders males and females will be included
• •Normal vertical dimension with normal inter-arch space. The minimum number of missing teeth in the posterior mandible alveolar ridge is two adjacent anterior teeth