Eligibility criteria
acute infection, infection, teeth with current acute periapical
ACUTE INFECTION, INFECTION
Patients were selected according to the following main inclusion and exclusion criteria. Patients with one or more non-restorable teeth or remaining roots without signs of acute infection in the maxillary anterior region, sufficient bone (> 4 mm) apically and palatally to allow for proper implant positioning with sufficient primary stability (≥ 35 N cm), systemic free, and good compliance. The exclusion criteria included teeth with current acute periapical infection, medically compromised patients, heavy smokers, and vulnerable groups (pregnant females and decision-impaired individuals). 