Extended Platelet Rich Fibrin in Mandibular Alveolar Ridge Splitting

Inclusion criteria

• Patient age 18 years old and older.
• Patient's cooperation, motivation and good oral hygiene.
• Atrophic posterior mandible of horizontal alveolar dimension range between 3 - 6 mm at the crest, with minimum 10 mm vertical height from the alveolar crest to the superior border of the inferior alveolar canal.
• Absence of undercuts in buccal aspect of the ridge.
• Favorable occlusion and no parafunctional habits.
• Patients able to comply with the required recall visits.
• No gender preface in selection of the patients.
• Acceptable inter-arch space for the future prosthesis.

Exclusion criteria

• Any pathological condition at the site of surgery.
• Patients with systemic diseases that contra-indicate the surgical procedure such as uncontrolled diabetes mellitus, bleeding disorders, serious osseous disorders, and mental disorders.
• Patient taking drugs that could affect bone healing process as immunosuppressive drugs and bisphosphonates.
• Heavy smoking and alcoholism.
• Parafunctional habits such as bruxism and clenching.
• Signs of acute infection or pus discharge.
• Untreated periodontal disease or bad oral hygiene.