tooth defect
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Children aged 3-9; 2.Primary teeth with double or triple surface caries, which have undergone dental/endodontic treatment and require full crown restoration; 3.The remaining crown tissue height is =2mm; 4.Adjacent teeth and opposing teeth are free from caries, or have mild caries that do not affect the basic structure of the teeth and have been treated adequately; 5.The teeth to be restored and adjacent teeth show no significant rotation and no significant dental crowding; 6.Parents and patients have high aesthetic demands for the restoration, can cooperate with treatment and follow-up, and have given informed consent;
Exclusion criteria
Exclusion criteria: 1.the teeth with large apical periodontitis or root resorption to be extracted; 2.children with obvious malocclusion; 3.children with obvious oral harmful habit; 4.children with sever systematic or mental diseases;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the clinical evaluation of restoration; | — |
Secondary
| Measure | Time frame |
|---|---|
| the accuracy of direct digital impression;Evaluation of occlusion after restored; | — |
Countries
China
Contacts
Peking University Hospital of Stomatology