Nasal sound caused by nasal cavity not closing

The so-called open means that the nasal cavity itself is not suffering from other diseases. When the nasal cavity resonates, it cannot be closed, but it is still open. The airflow during the vocalization can continuously flow from the throat to the nasal cavity, making the sound Vague and sometimes difficult to discern what the patient is saying. This is medically called open nasal sound. The most common are congenital lip, palate (rabbit lip, wolf throat), followed by soft palate paralysis or special scar formation after tonsil surgery. There are two types of nasal sounds. One is open nasal sounds, such as those with congenital cleft lip and palate, and patients with soft palate palsy, which are caused by the lack of soft palate to seal the nasopharynx. , Nasal cavity tumors, etc., due to nasal blockage due to lack of nasal cavity, sinus resonance caused by nasal sounds; the latter is the most common nasal sounds, mostly caused by nasal obstructive diseases.

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