it could be something called as cheek bite that occurs due to unconscious biting of the cheek mucosa,,the reason could be impacted wisdom teeth that may have to be removed.Do gargles with lukewarm water and a pinch of salt in it about 5-6 times daily for few days,and ofcourse a visit to a dentist is a must.
Answered2018-01-26 05:43:29
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