edentulous jaw
Conditions
Interventions
Experimental group:The pontic is not in contact with the mucosa
Control group:The pontic is in contact with the mucosa
Sponsors
Peking University, School of Stomatology
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Patients with edentulous jaw or potential edentulous jaw, require fixed restoration, and maxillomandibular position and upper lip fullness in line with the basic requirements of fixed restoration; 2. Patients aged >18 years; 3. Physical and psychological healthy to undergo surgical and restorative procedures of the All-on-4 protocol; 4. Adequate amount of bone volume for placement, >=4 mm wide horizontally and >=10 mm high vertically for anterior areas; 5. Sufficient primary stability of implant with a final insertion torque >35 N/cm; 6. Signing the informed consent.
Exclusion criteria
Exclusion criteria: 1. Severe parafunctional habits (eg, bruxism or clenching), or heavy smokers with a daily consumption of >10 cigarettes; 2. History of systemic disease (eg, diabetes or hematologic diseases); 3. History of metabolic bone disease or bisphosphonate therapy; 4. History of radiotherapy or chemotherapy in the head and neck region; 5. Pregnancy or lactation; 6. Lack of compliance.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Percentage of plaque of the fitting surface of denture;Debris index of the fitting surface of denture;Debris index of alveolar mucosa;Denture cleanliness;Patient satisfaction; | — |
Countries
China
Contacts
Public ContactDi Ping
Peking University, School of Stomatology
Outcome results
None listed