>Mouth breathing in children can be a cause of abnormal facial growth primarily in the upper and lower jaw shape, leading to Long Face Syndrome or other malocclusions

>Mouth breathing is considered harmful to the dento-oral complex as it can lead to hypotonicity of the upper lip, hyperactivity of the lower lip, distoclusion, harm to dental growth as well as bone growth, high vault of the palate, xerostomia, and adenoid face[