Malocclusion
Conditions
Interventions
Fixed group:Straight wire appliance treatment
Clear aligner group:Invisalign
Sponsors
Beijing Sunny Dental Hospital Group Management Co.,Ltd
Eligibility
Sex/Gender
All
Age
18 Years to 55 Years
Inclusion criteria
Inclusion criteria: 1. With informed consent which contains the contents of agreeing to use the medical records for scientific research; 2. Patients pretreatment aged 18-55 years with permanent dentition; 3. Previous treatment with Ormco straight wire appliance or Invisalign aligners; 4. The patient attended their appointments and had good compliance; 5. Complete clinical records.
Exclusion criteria
Exclusion criteria: 1. No cleft lip and palate and other facial congenital malformation; 2. No missing permanent teeth except third molars; 3. Facial aesthetic surgery during patient orthodontics; 4. Change to a different type of appliance; 5. Patients explicitly refusing to use medical records for future research.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| SNA angle;ANB angle;SN-MP angle;U1-NA angle;U1-NA mm;IMPA °;L1-NB mm;UL mm;LL mm;Overbite mm;Overjet mm;Position change of dental and skeletal landmarks;Space analysis;Curve of Spee;Molar relationship;Midline;SNB °; | — |
Countries
China
Contacts
Public ContactLiu Weitao
Beijing Sunny Dental Hospital Group Management Co.,Ltd
Outcome results
None listed