West China Journal of Stomatology
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Xiang Weixiong, Lu Meng, Shi Xinhua
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Abstract:
Objective:The skeletal ClassÓmalocclusion often occurs in ethnic Asia population, and it is difficult to obtain an ideal re- sults if only treatedwith protraction headgear (PH). However, the combined rapid palatal expansion (RPE), Edgewise Technique and PHcan reach it, so the authors investigated the methods and characteristics of combined RPE, Edgewise Technique and PHin the treatment of skeletal ClassÓmalocclusion.Methods:Fifteen patients, aged 8.5~12 years, including six males and 9 fe- males, with skeletal ClassÓmalocclusion and maxillary retrusionwere selected for this study. Radiographs of left hand and wrist showed that all patients were at the pre-pubertal stage. The duration of treatmentwas nine months on average.Results:The SNA and A-ptm increased with a mean of cephalometric analysis, which showed significant difference (P<0.05).Conclusion:Obvi- ous skeletal and profile changes can be achievedwith combined RPE, Edgewise Technique and PHin the treatmentof early skele- tal ClassÓmalocclusion.
Key words: skeletal classómalocclusion, protracrion headgear, rapid palatal expansion, Edgewise Technique
Xiang Weixiong, Lu Meng, Shi Xinhua. Combined Rapid Palatal Expansion (RPE), Edgewise Technique and Protraction Headgear in Correction of Skeletal ClassÓMalocclusion[J]. West China Journal of Stomatology.
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