Dentition defect
Conditions
Interventions
Experimental group:Using occlusal recording cap in determining occlusal relationship
Control group:Using only silicone rubber material in determining occlusal relationship
Sponsors
Peking University stomatological hospital
Eligibility
Sex/Gender
All
Age
20 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Subjects not less than 20 years old; 2. Subjects with dentition defect of 2 or more posterior teeth (Kennedy I or II); 3. Subjects with no obvious abnormal occlusion (no early contact, occlusion interference) and no clinical symptoms before restoration; 4. Subjects with periodontal health or with perfect periodontal treatment system; 5. Patients who have signed informed consent; 6. Subjects without any local or systemic diseases contraindicated by implant surgery.
Exclusion criteria
Exclusion criteria: 1. Patients with missing dentition or loss of occlusal relationship of residual teeth; 2. Patients with temporomandibular joint disease; 3. Subjects with oral side effects; 4. Pregnant and lactating women; 5. Subjects who smoked more than 10 cigarettes / day; 6. Subjects taking steroids or bisphosphonates; 7. Patients with physical disability or mental illness that affect oral health care; 8. Patients with a history of chemotherapy within 5 years before operation, or patients with a history of radiotherapy in the head and neck region; 9. There are situations that affect the completion of the study or interfere with the analysis results of the study, such as non cooperation and concealment of medical history.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Volume of occlusal adjustment; | — |
Secondary
| Measure | Time frame |
|---|---|
| Occlusal adjustment time;The proportion of lateral occlusal interference;Occlusion score of implant prosthese;Relative occlusal forces of implant prostheses;Visual analogue scale score;Average distance of occlusal planes between natural teeth in upper and lower jaw ;The deviation value of occlusal relationship;The consistency ratio of occlusal contact points;Complication rate; | — |
Countries
China
Contacts
Public ContactDing Qian
Peking University stomatological hospital
Outcome results
None listed