Thanks for writing to us.
The open sore near the molar that you have mentioned can be due to gingivostomatitis
, oral ulcer
. You need to get the area physically examined by a dentist
so that proper treatment like antibiotics can be initiated.
I hope this information has been both informative and helpful for you. You can consult me again directly through my profile URL http://bit.ly/Dr-Praveen-Tayal
Dr. Praveen Tayal