Skeletal class II dental and maxillofacial deformities
Conditions
Interventions
Experimental group:Electronic facebow mandibular motion recording
preoperative mandibular setback splint
condyle positioning device
control group:Electronic facebow mandibular movement recording
manual condyle positioning
Sponsors
Peking University School and Hospital of Stomatology
Eligibility
Sex/Gender
All
Age
18 Years to 25 Years
Inclusion criteria
Inclusion criteria: 1. Age 18-25 years old; 2. Mandibular retrusion in lateral view, SNB < 78°; 3. The shape of the condyle is short; 4. Primary school education or above, no cognitive impairment; 5. Complete follow-up data.
Exclusion criteria
Exclusion criteria: 1. Progressive stage of temporomandibular joint osteoarthritis; 2. Moderate and severe periodontitis; 3. Jaw cystic and solid lesions; 4. Dental and maxillofacial deformities caused by tumors and trauma; 5. There are surgical contraindications in the whole body; 6. Failure to cooperate with follow-up visits.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Preoperative condyle location accuracy;Accuracy of condyle localization during operation;Postoperative condylar stability;Postoperative joint movement function;Mandibular stability; | — |
Countries
China
Contacts
Public ContactLiu Xiaojing
Peking University School and Hospital of Stomatology
Outcome results
None listed