facial esthetics
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) All subjects were skeletal class I skeletal class I; (2) soft tissue measurements were within the normal range (Ricketts' aesthetic plane, Merrifield's Z angle); (3) Holdaway face angle and H angle were normal Within the range, Arnett and Bergman's nasolabial angle are within the normal range; (4) there is an ideal relationship between the maxillary central incisor and the forehead, that is, the FA point of the maxillary central incisor is on the GALL Line; (5) initial examination and end At the time, there were preserved oral and maxillofacial photographs, registration models, and cranial lateral radiographs, anterior skull slices, bilateral temporomandibular joint MRI, CBCT; (6) no obvious facial asymmetry, no serious bony deformities, no Congenital missing teeth; (7) without other congenital diseases or deformities, without other important organ diseases; (8) agreed to participate in the study.
Exclusion criteria
Exclusion criteria: (1) There are severe bony deformities; (2) There is a large area defect in the maxillofacial region; (3) Patients with cleft lip and palate.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| incisor inclination;incisor anteroposterior; | — |
Countries
China
Contacts
Affiliated Stomatological Hospital of China Medical University