Tooth defect
Conditions
Interventions
All zirconia single crowns:None
Partially veneered zirconia single crowns:None
Sponsors
Stomatology Hospital,Zhejiang University School Medicine
Eligibility
Sex/Gender
All
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: 1.Age 18-70 years; 2.Anterior teeth discoloration; 3.Tooth mobility < 1 degree; 4.Radiographic examination of endodontically treated teeth shows no significant hypodensity in the apical region and no alveolar boneresorption; 5.No progressive, uncontrolled periodontal disease; 6.No serious systemic diseases, able to maintain oral hygiene on their own; 7.Good compliance and siqned informed consent;
Exclusion criteria
Exclusion criteria: 1.Pregnant women, smokers and those with periodontal inflammation at follow-up visits; 2.Patients with mental illness or cognitive impairment; 3.Patients with abnormal occlusal relationships; 4.Patients with severe night grinding and clenching habits; 5.Patients with functional disorders of the stomatognathic system, with uncontrolled temporomandibular joint disorders;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Retention rate of restorations; | — |
Secondary
| Measure | Time frame |
|---|---|
| Aesthetic properties of restorations;Patient satisfaction;Biological performance of restorations;Functional characteristics of restorations; | — |
Countries
China
Contacts
Public ContactLing Zhang
Stomatology Hospital,Zhejiang University School Medicine
Outcome results
None listed