Dentition Defect
Conditions
Interventions
single arm:In self-control, during the period of osseointegration of the implant, the traditional denture was worn first, and then the overdenture assisted by short implant was worn.
A, B:Install different attachments
E, F, D:Three different implantation sites (second premolar area, first molar area, second molar area)
Sponsors
The Third Affiliated Hospital of the Air Force Military Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Good health, no systemic diseases, to meet the surgical requirements of dental implants; 2. The mandibular posterior teeth were continuously missing, the number of unilateral missing teeth was at least 3 (excluding the third molars), and there was healthy periodontal tissue around the natural teeth; 3. Dissatisfied with the original removable denture; 4. Aged 18-80 years; 5. Radiological examination showed that the bone mass could not accommodate the conventional implant with 8-10mm, and the bone mass was mild to moderate; 6. Sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Physical and mental disability with interference maintenance. 2. Severe bone and jaw deformities. 3. Bite tight. 4. Had an implant operation. 5. A person who abuses drugs or alcohol. 6. Has received radiotherapy for the head and neck for malignant tumors. 7. Chemotherapy is under way. 8. Long-term use of steroids, immunosuppressants or bisphosphonates. 9. Patients with insulin dependent diabetes mellitus and patients with uncontrolled diabetes mellitus. 10. Patients affected by chronic kidney or liver disease. 11. Systemic or local skeletal diseases and pathology. 12. Severe heart and lung disease. 13. Hemophilia prone to bleeding and postoperative infection. 14. Hemophilia patients at risk of developing bacterial endocarditis. 15. Immunocompromised patients, including those living with HIV.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| implant survival rates;marginal bone level;Objective masticatory efficiency;Subjective satisfaction;Cross-sectional area of alveolar ridge;periodontal index; | — |
Countries
China
Contacts
Public ContactMa Chufan
The Third Affiliated Hospital of Air Force Military Medical University
Outcome results
None listed