Immediate Implant in Posterior Mandible Region

Inclusion Criteria: * • Age ≥ 18 years. * Both sexes. * Cooperative and likely to maintain good dental health. * Recent extraction multi roots. * There is a bone between (2 or 3) mm at lest from the apex of the root. Exclusion Criteria: * • Patients who had undergone previous extraction of all badly decayed teeth . * Implant placement in both healed bone and at the extraction sites in the same procedure. * Presence of any local or systemic factors that might contraindicate oral surgery. * Poor oral hygiene. * Conditions that complicate wound healing such as uncontrolled diabetes, smoking (10 cigarettes a day), pregnancy, a history of drug or alcohol abuse, and an inability or unwillingness to return for follow-ups after occlusal loading.