Evaluation of Immediate Implant Placement Using Dual Zone Approach Versus Connective Tissue Graft

Inclusion Criteria

• •Patient-related criteria:
• •Adults at or above the age of 18.
• •Non-restorable maxillary anterior or premolar tooth requiring extraction and needed an implant placing therapy.
• •The failing tooth will have adjacent and opposing natural teeth.
• •Sufficient mesial-distal and interocclusal space for placement of the implant and definitive restoration.
• •Able to tolerate surgical periodontal procedures.
• •Full mouth plaque and bleeding scores less than 20%.
• •Compliance with the maintenance program.
• •Provide informed consent.
• •Accepts the one-year follow-up period.
• •Teeth related criteria:
• •Intact thick biotype gingival tissue with at least 2mm band of keratinized tissue.
• •Intact socket wall before the extraction, buccal bone thickness ≤1mm assessed by CBCT.
• •Sufficient apical bone to place an immediate implant with minimum primary stability of 30Ncm.