Edentulous maxilla
Conditions
Interventions
implant-level group:implant-level restoration
abutment-level group:abutment-level restoration
Sponsors
Department of Implantology, Peking University School and Hospital of Stomatology
Eligibility
Sex/Gender
All
Age
25 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1.Edentulous maxilla or potential edentulous maxillary dentition; 2.With good general condition to undergo implant surgery, normal jaw or occlusal relationship; 3.The upper lip contour and profile can be restored with fixed prosthesis, at least 12mm intermaxillary distance (intrinsic or after alveolar osteotomy); 4.At least 12 dental units of the mandible with normal occlusal curve; 5.Capable of oral hygiene maintenance.
Exclusion criteria
Exclusion criteria: 1.Severe bruxism, heavy smoker (more than 10 cigarettes per day); 2.Uncontroled active periodontitis of the mandiblular dentition; 3.Not suitable for immediate loading; 4.Unable to commit to a 5-year follow-up.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| implant survival rate;prosthesis survival rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| biological complications;mechanical complications;marginal bone loss; | — |
Countries
China
Contacts
Public ContactLuo Jia
Outcome results
None listed