Status:
COMPLETED
The Effects of the Chin Cup on Temporomandibular Joint and Mandibular Dimensions
Lead Sponsor:
Damascus University
Conditions:
Class III Malocclusion
Eligibility:
All Genders
6-8 years
Phase:
NA
Brief Summary
This in vivo comparative study will evaluate the changes in the mandibular dimensions and the glenoid fossa after skeletal class III subjects' therapy by chincup appliance and compare it with an untre...
Detailed Description
Chincup is a usual treatment strategy for growing subjects with skeletal Class III malocclusions due to the mandibular overgrowth. However, the review of the literature reveals controversies and contr...
Eligibility Criteria
Inclusion
- Clinical Inclusion criteria:
- Children ages 6-8 years with anterior crossbite or edge-to-edge incisor relationship.
- Class III relationships of the permanent first molars or mesial step relationships of the primary second molars.
- the absence of centric relation and maximum intercuspation discrepancy
- short-face pattern, adequate overbite.
- Radiological Inclusion criteria:
- Mild to moderate skeletal class III (4- \<the sagittal skeletal angle (ANB)\< 0 degree), due to mandibular protrusion (SNB \> 80°).
- normal or horizontal growth pattern (Bjork's sum ≤396° ±5°)
Exclusion
- temporomandibular joint disorders
- craniofacial anomalies
- history of previous orthodontic treatment
Key Trial Info
Start Date :
January 1 2019
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
April 1 2022
Estimated Enrollment :
38 Patients enrolled
Trial Details
Trial ID
NCT05350306
Start Date
January 1 2019
End Date
April 1 2022
Last Update
May 4 2022
Active Locations (1)
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1
University of Damascus
Damascus, Syria