taurodontism
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged over 18 years; 2. The image is clear and free of artifacts; 3. The root tip is well developed, and there is no internal or external root canal absorption; 4. Measure the complete eruption of the tooth and the complete development of the tooth root; 5. There is no obvious abnormality in the shape of the teeth; 6. No caries or non-carious defects, no pith stones in the pulp cavity, no restorations of any kind, and no fillings; 7. No endodontic treatment was performed.
Exclusion criteria
Exclusion criteria: None
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| |AB|- the vertical distance between the lowest point at the top of the pulp chamber and the highest point at the bottom of the pulp chamber;|AC|- the perpendicular distance between the lowest point at the top of the pulp chamber to the apex of the longest root;|BD|-the vertical distance from the cementoenamel junction to the highest point at the bottom of the pulp chamber; | — |
Countries
China
Contacts
Third Affiliated Hospital of Air Force Medical University