Changes in tongue position and three-dimensional changes in upper airway before and after treatment with Twin-block combined with maxillary expansion appliance in children with mandibular retrusion

CONCLUSIONS: Twin-block combined with maxillary expansion appliance can increase the total volume of the nasopharyngeal segment, oropharyngeal segment, glossopharyngeal segment and upper airway in children with Class Ⅱ malocclusion and mandibular retrusion and expand the anterior-posterior depth of oropharynx airway.In addition,the treatment can increase maxillary width and normalize the tongue position, and contribute to the improvement of airway patency.PMID:38494973

Source: Shanghai Journal of Stomatology - March 18, 2024 Category: Dentistry Authors: Meng Wang Li-Ming Tao Ya-Nan Hu Source Type: research