cracked tooth
Conditions
Interventions
experimental group:occlusal veneer
negative control group:composite resin adhesive restorations
positive control group:complete crown restorations
Sponsors
2nd Dental Center, Peking University School and Hospital of Stomatology
Eligibility
Sex/Gender
All
Age
25 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. The affected tooth has no symptoms or slight occlusal discomfort or slight occlusal pain with transient pain of hot and cold stimulation in specific parts; 2. The crown is complete without filling body, crown prostheses or large area defects. One or more cracks anastomosing with the developmental groove and extending beyond the marginal crest can be seen on the occlusal surface; 3. Normal pulp activity or transient sensitivity; 4. There was no deep periodontal pocket or narrow deep periodontal pocket communicated with the root tip; 5. Radiographs showed no obvious abnormality around the root tip, no widening of the root membrane or low-density images around the root tip; 6. Aged between 25 and 65 years.
Exclusion criteria
Exclusion criteria: 1. Patients are not willing to adopt this method after careful consideration. 2. Too little saliva and other carious factors. 3. Minors and the elderly who cannot take care of themselves, patients with mental illness, uncontrolled systemic disease or infectious disease, and who are unable to respond to treatment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the total effective rate;the change of the occlusal force center;healthy/affected side occlusal force percentages; | — |
Secondary
| Measure | Time frame |
|---|---|
| pain anesis rate;asymmetry index of occlusal force; | — |
Countries
China
Contacts
Public ContactPu Yinfei
2nd Dental Center, Peking University School and Hospital of Stomatology
Outcome results
None listed