Maybe: If an upper tooth is infected, the infection can spread to the sinus cavity. This can cause increased production of 'infected mucus' that will find its way down the back of your throat where you will likely cough/spit it up.
Answered 10/18/2019
5.8k views
Yes. : Severe dental or periodontal infections can release pus into the mouth.
Answered 3/16/2015
5.7k views
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