Accuracy of Immediate Implant Placement

Inclusion Criteria * Patients aged 20-56 years. * Patients requiring extraction of a mandibular first or second molar, or a retained root in the same region, followed by immediate implant placement. * American Society of Anesthesiologists (ASA) Physical Status I or II. * Satisfactory oral hygiene. * Ability to comply with the scheduled follow-up protocol. * Extraction socket classified as a Class I defect. * Treatment site planned for rehabilitation with a single-unit screw-retained implant-supported crown. * Adequate primary implant stability, defined as an insertion torque of ≥35 Ncm and/or an implant stability quotient (ISQ) of ≥60. Exclusion Criteria * Uncontrolled systemic disease. * Previous radiotherapy to the head and neck region. * Active untreated periodontal disease. * Heavy smoking of more than 10 cigarettes per day. * Bisphosphonate therapy. * Severe parafunctional habits such as bruxism. * Inability to achieve adequate primary stability, defined as an insertion torque \<35 Ncm and an ISQ \<60. * Intraoperative detection of loss of the buccal cortical plate. * Extraction socket defect exceeding Class I. * Inability to complete the required follow-up protocol.