Malocclusion
Conditions
Interventions
The upper anterior tooth retraction group:The retraction of upper anterior tooth
The upper anterior tooth proclination group:The proclination of upper anterior tooth
The lower anterior tooth retraction group:The retraction of lower anterior tooth
The lower anterior tooth proclination group:The proclination of lower anterior tooth
Sponsors
Peking University School and Hospital of Stomatology
Eligibility
Sex/Gender
All
Age
18 Years to 50 Years
Inclusion criteria
Inclusion criteria: The adult orthodontic patients whose anterior teeth need move forwards or backwards
Exclusion criteria
Exclusion criteria: Moderate and severe periodontitis; congenital tooth missing; alveolar bone disease; cleft lip and palate; extra teeth or impacted teeth in anterior teeth area
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the heigh of alveolar bone;the thickness of alveolar bone;the length of tooth root;the number and ratio of alveolar bone dehisense and fenestration;the distance of tooth movement; | — |
Countries
China
Contacts
Public ContactWeiran Li
Peking University School and Hospital of Stomatology
Outcome results
None listed