Are any of your teeth sensitive to cold and/or hot? If so you may need a root canal. I've had 3 in the last 10 months.It's no fun but saves my tooth for now and I can eat pain free. Keep an eye on it so it doesn't turn into a bad infection and significantly more trouble.

32 Year Oral Cancer Survivor.CURED!!Right neck dissection.5000 rads plus radium needle implants in the tongue.Also had alternative treatment in Germany from Dr. Hans Neiper in 1982.The combination of ALL the treatments cured me.