dental caries
Conditions
Interventions
Control group:Class II cavity restoration with composite resin
Experimental group:Composite resin restoration during flap surgery
Sponsors
Shanghai Stomatological Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18-65 years; 2. At least one mandibular second molar with deep subgingival distal cervical caries caused by an impacted third molar, and the impacted third molar has been extracted for >=4 weeks; 3. Intact distal marginal ridge of the affected tooth; 4. Normal pulp vitality of the affected tooth; 5. Patients who understand the study and voluntarily sign informed consent.
Exclusion criteria
Exclusion criteria: 1. Distance from coronal margin of the cavity to distal marginal ridge = 5mm apical to the cementoenamel junction; 3. Abnormal pulp vitality, diagnosed pulpitis or periapical periodontitis; 4. Uncontrolled periodontitis; 5. Mouth opening <= 25mm; 6. Uncontrolled severe systemic diseases or contraindications to local anesthesia; 7. Severe osteoporosis or long-term bisphosphonate use; 8. Pregnancy, lactation, or planned pregnancy within 2 years; 9. Inability to comply with treatment or follow-up; 10. Investigator's judgment of inappropriateness for participation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| success rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| retention rate; | — |
Countries
China
Contacts
Public ContactLiu Bin
Shanghai Stomatological Hospital
Outcome results
None listed