Partial edentulism
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. In good general health; 2. Good oral hygiene; 3. Patients with single posterior tooth defect requiring implantation; 4. After basic periodontal treatment; 5. Participate voluntarily and sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Minors or cognitive impairment, unable to understand the test content; 2. Severe systemic diseases, unable to tolerate routine outpatient tooth extraction and implant surgery; 3. History of radiotherapy for head and neck cancer; 4. Long-term use of corticosteroids, bisphosphonates and other drugs that affect bone regeneration; 5. Severe periodontitis; 6. Patients with severe pharyngeal reflex; 7. Patients with maxillary posterior teeth requiring maxillary sinus lift.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Angular deviation;Platform deviation;Apex deviation; | — |
Countries
China
Contacts
Peking University School and Hospital of Stomatology