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Growth and compensatory of dental maxillofacial affected by orthodontic treatment, computer-aided diagnosis and prediction: a retrospective study of X-ray data of a large sample of orthodontic patients

Growth and compensatory of dental maxillofacial affected by orthodontic treatment, computer-aided diagnosis and prediction: a retrospective study of X-ray data of a large sample of orthodontic pa tients

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1800017694
Enrollment
Unknown
Registered
2018-08-09
Start date
1997-01-01
Completion date
Unknown
Last updated
2018-08-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Malocclusion

Interventions

Class I:None
Class II:None
Class III:None

Sponsors

Peking University Hospital of Stomatology
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Patients who have completed orthodontic treatment; 2. lateral cephalograms before and after treatment were retained well, which could be traced and measured.

Exclusion criteria

Exclusion criteria: 1. cleft lip and palate; 2. syndrome.

Design outcomes

Primary

MeasureTime frame
S, Sella;N, Nasion;P, Porion;Or, Orbitale;Point A;Point B;ANS, Anterior nasal spine;PNS, Posterior nasal spine;UIE, The incisal edge of the upper central incisor;UIA, The root apex of the upper central incisor;LIE, The incisal edge of the lower central incisor;LIA, The root apex of the lower central incisor;UMC, The mesiobuccal cusp tip of the upper first molar;LMC, The mesiobuccal cusp tip of the lower first molar;Prn, Pronasale;Sn, Subnasale;UL, Upper lip;LL, Lower lip;Bs, Point B of soft tissue;Pos, Pogonion of soft tissue;—

Countries

China

Contacts

Public ContactTianmin Xu

Peking University Hospital of Stomatology

tmxuortho@163.com+86 010-8219-5381

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 24, 2026