Inclusion Criteria:  Patients who are at least 18 years old and in good health; Single tooth in the maxillary anterior aesthetic area to be extracted for immediate implant placement; The labial bone plate is intact and there is sufficient bone in the apical region to ensure initial stability. Healthy intraoral soft tissues and no infection.  Exclusion Criteria:  Need to place more than 1 implant in the aesthetic area. Heavy smokers (> 10 cigarettes/day). Patients with physical diseases such as: uncontrolled diabetes (fasting glucose > 7.2 mmol/L, glycosylated hemoglobin > 7%), current intake of bisphosphonate medication, history of head and neck malignancy, history of head and neck radiotherapy, pregnancy or preparation for pregnancy, etc. Patients with uncontrolled periodontitis and unstable periodontal status. Lateral labial bone plate defect; Missing teeth; Allergic to titanium;  e. Those who do not wish to participate in this study.