Malocclusion
Conditions
Interventions
Sponsors
Beijing Stomatological Hospital
Eligibility
Sex/Gender
All
Age
12 Years to 40 Years
Inclusion criteria
Inclusion criteria: Inclusion criteria of Study 1 (1) Complete diagnosis, treatment data and good-quality CBCT. (2) The age of CBCT was 12 to 40 years old. Inclusion criteria of Study 2 (1) Complete diagnosis and treatment data and good-quality CBCT before and after orthodontic treatment. (2) The age of first visit was 12-15 years old in the adolescent group, and the age of the end of orthodontics was not more than 18 years old, and the age of the adult group was 18-32 years old, and the age of the end of orthodontics was not more than 35 years old. (3) Fixed orthodontic technique was used in orthodontic treatment.
Exclusion criteria
Exclusion criteria: Exclusion criteria of Study 1 (1) Severe diabetes, immune dysfunction, history of bisphosphonate therapy or other serious systemic diseases that may affect the study. (2) Active periodontal disease. (3) The patients had a history of orthodontic or orthodontic-surgical treatment, cleft lip and palate and craniofacial surgery. (4) Alveolar bone grafting or periodontal accelerated osteogenesis was performed. Exclusion criteria of Study 2 (1) Severe diabetes, immune dysfunction, history of bisphosphonate therapy or other serious systemic diseases that may affect the study. (2) Active periodontal disease. (3) The patients had a history of orthodontic or orthodontic-surgical treatment, cleft lip and palate and craniofacial surgery. (4) Alveolar bone grafting or accelerated periodontal osteogenesis was performed during orthodontics.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the distances between the cementoenamel junction(CEJ) and the alveolar bone crest(AC); | — |
Countries
China
Contacts
Public ContactLi Jianyi
Beijing Stomatological Hospital
Outcome results
None listed