Tongue position has been linked to sleep disordered breathing such as obstructive sleep apnea which can lead to poor sleep. When you breathe through your mouth, you do not have these added healthy benefits. The nose also acts as a humidifier, adding moisture and warming the air you breathe in. When breathing through the nose, the nose acts as a filter to help keep harmful particles from entering your lungs. Mouth breathing has been linked to increased illnesses and allergies. While you may not realize it, improper oral resting posture can have an impact on many areas of your life. The tongue resting low in the mouth can disrupt proper development of the hard palate. As a child’s facial structure grows and develops, the slight pressure of the tongue against the hard palate determines the shape of the palate. If the tissues that connect your tongue to the floor of the mouth are too tight, it can restrict the range of motion of your tongue, causing it to rest low on the floor of your mouth instead of on the roof of your mouth. Structural abnormalities such as a tongue or lip tie can also contribute to improper oral resting posture. These habits, when done frequently enough, can change the shape of the oral cavity by disrupting development, resulting in changes in the shape of the roof of the mouth and position of teeth. Other common contributing factors to improper oral resting posture include poor oral habits such as prolonged pacifier use, thumb or finger sucking, and nail biting. Decreased ability to breathe through the nose due to chronic allergies, enlarged tonsils and adenoids, or structural abnormalities such as a deviated septum, can cause our body to select the path of least resistance - breathing through the mouth. While there are a wide range of contributing factors, the most common cause of improper oral resting posture stems from airway issues. What Can Cause Improper Oral Resting Posture?
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