malocclusion?Adenoid Hypertrophy
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Lateral cephalometric radiographs were taken prior to orthodontic treatment in the years 2005, 2010, 2015, or 2020, with clear visualization of both hard and soft tissues. 2.Aged between 10 and 12 years, in the pre-peak growth stage (determined by a cervical vertebral maturation stage of S3-S4). 3.Either male or female. 4.No history of previous orthodontic treatment. 5.Absence of: Genetic or systemic diseases known to affect craniofacial growth and development. Temporomandibular joint (TMJ) disorders. Congenital cleft lip and/or palate. History of acquired trauma to the craniofacial region.
Exclusion criteria
Exclusion criteria: 1.History of orthodontic treatment. 2.Presence of any condition affecting craniofacial development, including: Genetic or systemic disorders Temporomandibular joint (TMJ) diseases Congenital cleft lip/palate Acquired craniofacial trauma;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Cephalometric measurement parameters; | — |
Secondary
| Measure | Time frame |
|---|---|
| Sagittal airway width;Adenoid size; | — |
Countries
China
Contacts
Stomatology Hospital,Zhejiang University School Medicine