Temporomandibular Joint,TMJ
Conditions
Interventions
Sagittal bone type II group:none
Sagittal bone type III group:none
Sagittal bone type I group:none
Sponsors
Stomatology Hospital,Zhejiang University School Medicine
Eligibility
Sex/Gender
All
Age
18 Years to 35 Years
Inclusion criteria
Inclusion criteria: 1.Age: 18-35 years old, with complete imaging and modeling data obtained at the research institution; 2.The dental arch is intact except for the third molar, and there is no obvious wear on the teeth; 3.No symptoms of temporomandibular joint, such as clicking, pain, limited mouth opening, joint locking, etc., and the degree of mouth opening is basically normal; 4.No history of orthodontic treatment, maxillofacial trauma, etc; 5.Good overall health condition, no serious systemic diseases, congenital developmental abnormalities, etc., not during pregnancy or lactation; 6.Meets the indications for orthodontic treatment of malocclusion.
Exclusion criteria
Exclusion criteria: 1.Have received or are currently undergoing orthodontic treatment; 2.Having soft/hard tissue lesions in the maxillofacial region, congenital developmental abnormalities, or a history of maxillofacial trauma/surgery, etc; 3.Symptoms of temporomandibular joint discomfort (such as clicking, pain, etc.) or temporomandibular joint disorder; 4.Suffering from systemic diseases or diseases that may interfere with the study (such as cognitive impairment, Tourette syndrome, etc.); 5.Not suitable for orthodontic treatment of malocclusion.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Three dimensional range of motion of bilateral condyle; | — |
Secondary
| Measure | Time frame |
|---|---|
| Morphological and positional characteristics of bilateral condylar processes;Bilateral joint space size;Cephalometric measurement;Morphological and positional characteristics of bilateral joint sockets; | — |
Countries
China
Contacts
Public ContactXiaoyan Chen
Stomatology Hospital,Zhejiang University School Medicine
Outcome results
None listed