Skeletal class III malocclusion in non-growing patients Class III camouflage treatment, Cone-beam computed tomography (CBCT), Magnetic resonance imaging (MRI), Temporomandibular joint (TMJ), Condyle, Articular disc, Masticatory muscle, Temporomandibular disorder (TMD), Quality of Life (QOL), Class III combined surgical-orthodontic treatment
Conditions
Interventions
Class III camouflage treatment (standard treatment)
- conventional orthodontic treatment with sliding mechanics and separate-canine retraction technique applied
- class III elastics propably used
- c
Experimental Procedure/Surgery
Class III camouflage treatment
Sponsors
Faculty of Dentistry, Khon Kaen University
Eligibility
Sex/Gender
All
Age
18 Years to 50 Years
Inclusion criteria
Inclusion criteria: (Camouflage group) 1. Mild-moderate skeletal class III malocclusion, with CO-CR discrepancy, 2. 18 years of age or above, with complete mandibular growth (CS6), 3. ASA I with healthy general appearance, 4. Willing to receive camouflage treatment (Surgical group) 1. Skeletal class III malocclusion, treated with bilateral sagittal split ramus osteotomy (BSSRO) completed in 2019-2021, 2. 18 years of age or above, with complete mandibular growth (CS6), 3. ASA I with healthy general appearance
Exclusion criteria
Exclusion criteria: (Camouflage group) 1. Do not agree to participate and co-operate until the end of the study, 2. Presenting signs and symptoms of TMD, 3. Severe dentofacial deformities, 4. Being diagnosed with psychiatric illness, 5. Planning to get pregnant between 2021-2024, 6. Unable to undergo MRI such as claustrophobia, and having fixed/implanted metal prostheses (can not be removed before MRI) (Surgical group) 1. Do not agree to participate and co-operate until the end of the study, 2. Presenting signs and symptoms of TMD, 3. Severe congenital deformities in craniofacial region (e.g. cleft lip and palate), 4. Having history of major surgery in craniofacial region (for other purposes which were not to correct skeletal class III), 5. Being diagnosed with psychiatric illness
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Condyle position around 6-12 months CBCT,TMJ articular disc position around 6-12 months MRI | — |
Secondary
| Measure | Time frame |
|---|---|
| Thickness and length of masticatory muscles around 6-12 months MRI,Signs and symptoms of TMD every 3 months DC/TMD examination form,TMD-contributing factors every 3 months Questionnaires (Oral behavior checklist, PHQ-9, PHQ-15, GAD-7, GCPS),Oral-health related quality of life every 3 months OHIP-14 | — |
Countries
Thailand
Contacts
Public ContactPipop Sutthiprapaporn
Division of Orthodontics, Faculty of Dentistry, Khon Kaen University
Outcome results
None listed