This clinical trial compares three different treatment methods used to correct jaw problems in children with Class III malocclusion (a condition where the lower jaw is positioned forward relative to the upper jaw). The treatments include: Rapid maxillary expansion with face mask (RME/FM), Mini maxillary protractor (MMP), Modified splints with elastics and chin cup (SEC III). The study aims to understand how each treatment affects the bones and soft tissues of the face, such as how much the upper jaw moves forward or the lower jaw moves backward, as well as changes in teeth alignment and facial appearance. Results showed that different treatments work best for different aspects: some are better for moving the upper jaw forward, while others are better for repositioning the lower jaw. This information helps doctors choose the most suitable treatment plan for each patient.
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Three-dimensional changes in soft tissues
Timeframe: baseline to post-treatment (≈ 9 months)