An interventional study of Inclined Plane Appliance Combined With Variable Bracket Placement in Class III Malocclusion, Facemask and Inclined Plane Appliance, sponsored by Can Tho University of Medicine and Pharmacy. Completed at 1 site in Vietnam. Open to participants aged 7 Years to 12 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2026-05-13.
Sponsored by Can Tho University of Medicine and Pharmacy · Not applicable, Interventional, and Treatment
Study Title: Evaluation of Treatment Outcomes of Interceptive Orthodontic Intervention for Class III Malocclusion Using Inclined Plane Appliance Combined With Variable Bracket Placement Objective: To evaluate the clinical and radiographic outcomes of interceptive orthodontic treatment for skeletal Class III malocclusion in children Participants: Children aged 7 to 12 years diagnosed with skeletal Class III malocclusion (ANB \< 0°, Wits \< -2mm) and cervical vertebral maturation stages CS1, CS2, or CS3, treated at the Ho Chi Minh City Hospital of Odonto-Stomatology from 2025 to 2026 Methodology: This is a descriptive study with a non-controlled clinical intervention The treatment involves the application of a fixed inclined plane appliance on the mandibular teeth combined with variable bracket placement (bonded at a 180-degree rotation) on the maxillary anterior teeth to promote the forward movement of the upper incisors and stimulate maxillary alveolar bone growth Evaluation: Treatment efficacy is assessed after 6 months by comparing skeletal, dental, and soft tissue changes using standardized lateral cephalometric radiographs and Cone Beam Computed Tomography (CBCT) Success is defined by achieving a positive overjet (≥2mm), overbite (≥2mm), and an Angle Class I molar relationship
57 studies on the registry are indexed under Malocclusion, Angle Class III; 11 are open to participants now.
This study's enrollment of 36 is above the median of 32 across 53 interventional studies indexed under Malocclusion, Angle Class III.
Browse Malocclusion, Angle Class III studies →Can Tho University of Medicine and Pharmacy is the lead sponsor of 35 studies on the registry; 8 are open to participants now.
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Informed consent
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Other: Inclined Plane Appliance Combined With Variable Bracket Placement
The treatment involves a combination of a fixed inclined plane appliance on the mandibular anterior teeth and variable bracket placement (brackets bonded with a 180-degree rotation) on the maxillary incisors . This protocol aims to promote forward maxillary growth and improve the dental relationship
Treatment success of interceptive orthodontic intervention for skeletal Class III malocclusion
Evaluation of treatment success based on clinical and radiographic criteria. Success is defined as achieving: Positive overjet (OJ ≥ 2mm) . Positive overbite (OB ≥ 2mm) . Angle Class I molar relationship . The assessment includes measuring changes in skeletal, dental, and soft tissue parameters using standardized lateral cephalometric radiographs and Cone Beam Computed Tomography (CBCT)
Time frame: 6 months after the start of the intervention
This study is completed, as verified in May 2026. You cannot join it, but the record below documents what was studied.
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Malocclusion, Angle Class III →
Can Tho University of Medicine and Pharmacy