Cracked teeth
Conditions
Interventions
Group 1:3M Lava Ultimate occlusal veneers
Group 2:The resin is filled after grinding the cracks
Group 3:Lower post-occlusal observation
Sponsors
Department of Endodontology, Nanjing Stomatological Hospital, Medical School of Nanjing University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. Patients aged 18-65 years; 2. The crown was intact, at least one premolar or molar (except for the third molar) has at least one crack; 3. Pulp activity is normal or transient sensitive that resolve with zinc oxide sedative treatment; 4.There was no deep periodontal pocket; 5.X-ray showed no obvious abnormalities around the apical region, no widening of the periodontal ligment or low-density images around the apical region.
Exclusion criteria
Exclusion criteria: 1. Patients whose teeth are too tightly occluded to prepare enough space; 2. Patients whose imaging examination shows the following conditions: 1) Low density shadow in apical region; 2) Alveolar bone resorption was more than 1/3; 3) The affected teeth have been treated with root canal therapy; 3. Patients with bruxism; 4. Patients with xerostomia or abnormal salivary secretion; 5. Patients with a history of radiotherapy; 6. Patients with cracked teeth accompanied by enamel mineralization imperfection, dental fluorosis or tetracycline teeth; 7. Patients with uncontrollable periodontal disease or cracked teeth with depth of exploration>5mm; 8. Female patients during pregnancy or lactation; 9. Patients with uncontrolled serious systemic diseases; 10. Patients who cannot maintain oral hygiene independently; 11. After careful consideration, the patient is unwilling to repair in this way.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Treatment success rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| VAS pain score;Evaluation of the restoration;incidence of adverse reactions; | — |
Countries
China
Contacts
Public ContactYang Weidong
Department of Endodontology, Nanjing Stomatological Hospital, Medical School of Nanjing University
Outcome results
None listed