Retromolar space
Conditions
Interventions
Observation group:None
Sponsors
The First Affiliated Hospital of Chongqing Medical
University
Eligibility
Sex/Gender
All
Age
11 Years to 18 Years
Inclusion criteria
Inclusion criteria: 1 Age: 11 to 18 years inclusive; 2 Permanent dentition stage, all permanent teeth erupted with established occlusion; 3 No significant rotational malalignment of maxillary or mandibular molars; 4 Good periodontal status with no alveolar bone resorption or periapical lesions; 5 Non-mandibular-related lesions; 6 No history of orthodontic or orthognathic treatment; 7 Clear CBCT imaging. 8 No trauma or treatment history of the upper or lower jaw bones.
Exclusion criteria
Exclusion criteria: 1 Dental arch defects or retained deciduous teeth; 2 History of cleft lip and palate; 3 Facial deformities or maxillofacial lesions/occupying lesions; 4 History of conditions affecting maxillofacial skeletal or muscular development.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| retromolar space;CBCT; | — |
Countries
China
Contacts
Public ContactWu Dongxue
The First Affiliated Hospital of Chongqing Medical University
Outcome results
None listed