Patient	Adult patients undergoing single implant placement in the esthetic area (from second premolar to second premolar in the maxilla or mandible).
Intervention	IIP in non-intact sockets (all types except type I, as classified by Chu et al. [12]).
Comparison	IIP in intact sockets (type I socket as classified by Chu et al. [12]).
Outcome	Buccal bone thickness (primary outcome), vertical midfacial soft tissue level change, pink esthetic score (PES), implant survival, and complications (secondary outcomes).