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The Silent Impact of Mouth Breathing on Children’s Facial Structure

โดย : Edmund เมื่อวันที่ : พุธ ที่ 28 เดือน มกราคม พ.ศ.2569

Mouth breathing can profoundly disrupt the development of the jaw and facial structure, notably in young patients. When an individual breathes through their mouth instead of their nose, the tongue fails to rest its natural position against the roof of the mouth. Insufficient tongue contact can trigger a retrognathic upper arch. As this continues this may produce a high arched palate, overlapping dentition, and dysfunctional occlusion. <img src="https://www.uc-ortho.com/wp-content/uploads/case01-a00-027.jpg" style="max-width:400px;float:left;padding:10px 10px 10px 0px;border:0px;"> The perioral and facial muscles also restructure in response to mouth breathing. The oral seal is consistently broken, and the mandible drops downward, unbalancing the natural pressure dynamics on the developing craniofacial skeleton. These altered biomechanics can lead to a longer, narrow face shape, weak jawline, and retrognathia. These structural alterations are not merely aesthetic—they can impair airway patency, phonation, and overnight oxygenation later in life. Respiration through the nose is the body’s innate method of breathing. Nasal passages filters, warms, and humidifies inhaled air, in addition producing a vasodilatory molecule that boosts oxygen absorption in the lungs. When children habitually breathe through their mouths due to persistent sinus issues, <a href="https://maoichi.com/2016/01/28/%e6%89%8b%e5%b8%96%e3%81%a7%e6%80%9d%e8%80%83%e3%81%ae%e3%82%af%e3%82%bb%e3%82%92%e3%81%a4%e3%81%8f%e3%82%8b%e3%80%82/">東京 前歯矯正</a> swollen adenoids, or blocked nasal passages, they lose out on these essential protective functions. This persistent habit can become deeply rooted and require intensive effort to reverse without professional intervention. Prompt identification of mouth breathing is essential. Parents and caregivers should observe for indicators including chronically parted lips, snoring or noisy breathing, chronic tonsillitis, or difficulty focusing in school. A multidisciplinary team including ENT and myofunctional specialists can diagnose the primary trigger and prescribe evidence-based solutions. These may include managing allergies with medication, surgically excising hypertrophied tissue, or using tongue and lip exercises to restore proper function. Early correction of mouth breathing can achieve optimal craniofacial growth, straighter teeth, and permanent restoration of nasal breathing. This goes beyond correcting a behavior—it’s about supporting the innate developmental trajectory of the face and jaw that ensures overall health and well-being. 

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