none
Conditions
Interventions
Trail group:none
Sponsors
Zhejiang University School of Medicine Affiliated Stomatology Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 100 Years
Inclusion criteria
Inclusion criteria: 1. People born in East China and = 18 years old; 2. There were no lesions or defects in the mandible that affected the morphology and movement of the mandibular canal; 3. CBCT images contain accurate, clear, and complete mandibles, allowing accurate data measurements.
Exclusion criteria
Exclusion criteria: 1. mandibular trauma or surgery seriously affect jaw shape; 2. There are space-occupying lesions, such as mandibular cysts, tumors, etc., resulting in unclear and even displaced mandibular canal images; 3.The CBCT image is not clear, there are serious metal artifacts; 4.Dense osteitis, jaw osteomyelitis, etc. adjacent to or even invading the mandibular canal.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| type of the branch; | — |
Secondary
| Measure | Time frame |
|---|---|
| the relative position of the branch in the mandible;diameter of the branch;length of the branch;diameter of the mandibular canal;angle between the branch and the mandibular canal; | — |
Countries
China
Contacts
Public ContactYang Mengyao
Zhejiang University School of Medicine Affiliated Stomatology Hospital
Outcome results
None listed