Hello
sir the information provided by you is not enough.pain in jaw
tooth or gums may be because of some reason that you shpuld
specify.is dere is any white lesion in mouth due to tobacco
or you have cavity in your tootj or is thete is sum else problem
in your gums kindly specify so that we can suggest you appropriate
treatment.i would like to advice you plz mantain your
oral hygiene and kindly give up the habit of tobacco
chewing since its life hazardous.less mouth opening
may be due to oral submucosa
fibrosis.in this you will
notice whitish discloration in your
mouth dryness of your mouth
Burning sensation on intake of spicy food.treatment include
injecting
steroids on the affected area.i would advise
you to kindly visit your
dentist and get proper clinical diagnosis
done.
Regards
dr.sapna