Dentition defect
Conditions
Interventions
test group:CAD/CAM Rpd
control group:cast Rpd
Sponsors
Beijing stomatological hospital of Capital Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 75 Years
Inclusion criteria
Inclusion criteria: 1. Age 18-75 years; 2. The mandibular Ken's Class I dentition defect (and the number of missing teeth at the unilateral free end is 2-4); 3. Teeth missing for more than 3 months (extraction or shedding); 4. Select removable dentures; 5. Sign the informed consent form voluntarily, and be able to return to the doctor on time.
Exclusion criteria
Exclusion criteria: 1. Serious periodontal disease (residual tooth mobility III degree, abutment tooth mobility II or III degree, BI index>4); 2. Bilateral maxillary posterior teeth are missing and not repaired; 3. The intermaxillary distance is less than 4mm; 4. There are ulcers and tumors that have not healed for a long time or there are tooth extraction wounds that have not completely healed in the tooth deficiency area; 5. The remaining teeth have not completed complete dental treatment, and there are bad restorations that need to be treated; 6. Large bone process or bone defect affecting repair; 7. There are epilepsy, Parkinson and other systemic diseases that are not suitable for active repair; 8. Patients with temporomandibular joint diseases; 9. Other conditions that are not suitable for removable partial dentures.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| chewing efficiency;the number of the mucosal tenderness point; | — |
Secondary
| Measure | Time frame |
|---|---|
| OHIP;mucosal tenderness; | — |
Countries
China
Contacts
Public ContactDongxiang Zheng
Beijing stomatological hospital of Capital Medical University
Outcome results
None listed