letter to the editor: oropharyngeal airway threedimensional changes after treatment with myobrace in class ii retrognathic children

Dear editor-in-chief several scholars pointed out the relationship between the function of muscle and teeth (1). the effects of breathing on facial growth and occlusion of the bite have been identified in various papers (2, 3). a breathing disorder occurs after upper airway blockage during sleep, it has not only nighttime symptoms such as snoring or apnea but also daytime symptoms such as behavioral disorder, excessive daytime sleepiness, concentration issue, memory, and cognitive function.