A 40-year-old member asked:
is it bad that my newborn sleeps with his mouth open?
1 doctor answer

Dr. Arnold Malerman answered
53 years experience Orthodontics
OK: When you sleep, especially on your back, lower jaw drops downward and backward and mouth opens. If breathing is regular, should not be a problem. If concerned, take a video and show it to your pediatrician.
Answered on Apr 15, 2017
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