Implant Placement in the Preserved Socket Using Socket Shield Technique With Autogenous Dentin Graft Versus Preserved Socket Using Socket Shield With Alloplast

Exclusion Criteria

• •A medical history that contraindicates oral surgical treatment (uncontrolled/untreated diabetes mellitus, immunocompromised status,current radio/chemotherapy of the oral and maxillofacial region, treatment with oral and/or intravenous amino-bisphosponates).
• •Untreated periodontal disease. \[15,18\]
• •Vertical root fractures on the buccal aspect. \[26\]
• •Tooth /teeth with horizontal fractures below bone level. \[26\]
• •Tooth /teeth with external or internal resorptions.