The maxillary labial inverted impacted incisor
Conditions
Interventions
impact teeth and homonym teeth:treatment by "daogan" appliance
Sponsors
Hospital of Stomatology Wenzhou Medical College
Eligibility
Sex/Gender
All
Age
6 Years to 15 Years
Inclusion criteria
Inclusion criteria: 1. patients with complete information, include cephalometric radiograph, Panoramic and Three-dimensional cone-beam computed tomography images; 2. all CBCT images with good definition, to ensure the accuracy of measurement; 3. Patients with newly diagnosed in the early mixed dentition; 4. Homonym teeth with the normal degree of root formation and direction; 5. All patients are xanthoderm.
Exclusion criteria
Exclusion criteria: 1.There are other serious oral and maxillofacial diseases, except for the maxillary labial inversely impacted incisors; 2. CBCT images are not taked in Hospital of Stomatology Wenzhou Medical College; 3. Patients with Systemic disease.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| root length of impact and homonym teeth;inversely angle;dilaceration angle;degree of root formation;tooth morphology;crown length of impact and homonym teeth;bone loss of impact and homonym teeth; | — |
Secondary
| Measure | Time frame |
|---|---|
| the relationship with the adjacent anatomical stru; | — |
Countries
China
Contacts
Public ContactHu Rongdang
Outcome results
None listed