Filling and restoring the tooth holes.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. aged 18-70 years old male and female; 2. Be in good healthy; 3. The opening degree is normal; 4. The lesion depth of dental caries reaches the middle of the dentin, and the pulp vitality is normal, and the following conditions must be met: 4.1. Tooth position: molar (priority) or premolar; 4.2. Hole type: Type I or Type II; 4.3. Hole size: The minimum buccolingual diameter of the occlusal surface is not less than 1/3 of the distance between the buccolingual cusps; prepare the axial proximal groovegingival order is located at the direction of the crown of the gingival edge; 4.4. Occlusion: All fillers need to make an occlusal contact immediately after restoration; the jaw teeth are natural; occlusion is normal; 4.5. Adjacent Contact: All Type II hole fillers need to contact the adjacent teeth and restore the contact relationship. When the third molar is missing, the mesial-occlusal (MO) and mesial-occlusal-distal (MOD) fillers of the second molar are acceptable, but the distal-occlusal (DO) fillers are not included; 5. The tooth color number is one of A1/A2/A3/A3.5 four color numbers; 6. Subjects voluntarily participate and sign informed consent.
Exclusion criteria
Exclusion criteria: 1. People with allergies or multiple drug allergies; those with a history of polymer-based materials allergies such as dental resins; 2. Special staining of teeth; 3. Patients with rampant caries, severe periodontitis, poor oral hygiene, dysfunction of sialaden, and disorders of temporomandibular joint; 4. Patients with pathological tooth wear (bruxism and clenching habits), erosion or cracking and other non-carious dental diseases; occlusion is abnormal; 5. Patients with severe system diseases, patients with mental disorders; 6. Women of childbearing age with pregnancy and intentional pregnancy and lactating women; 7. Have participated in other clinical trials within the past three months; 8. There are other reasons that cant complete the postoperative one-year follow-up; 9. Persons that the researcher considers inappropriate.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Success rate of the filling subject; | — |
Countries
China
Contacts
Peking University Third Hospital