edentulous
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Adults (over 18 years old); 2.After immediate implantation surgery; 3.More than four periapical x-rays were available in the database, including T0: preoperative, T1: immediately postoperative, T2: one year postoperatively, and T3: five years postoperatively 4.Complete and reliable preoperative, intraoperative and postoperative data and photos can be obtained
Exclusion criteria
Exclusion criteria: 1.Incomplete intraoperative and postoperative data 2Contraindications to conventional implant therapy (uncontrolled diabetes mellitus, periodontitis, or other implant procedures with poor systemic health) 3Heavy smokers (more than 10 cigarettes per day)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The horizontal distance between the external labial crest and the implant shoulder;The vertical distance from the alveolar ridge to the level of the implant shoulder;Pink Aesthetic Standard Score;Thickness of buccal bone tissue 3 mm above the shoulder of the implant ;Thickness of buccal bone tissue 5 mm above the shoulder of the implant ; | — |
Countries
China
Contacts
West China Stomatological Hospital of Sichuan University