Thanks for posting your querry.
After reading your symptoms i feel that you may have developed a condition called Burning mouth sundrome. It is mostly seen in women above the age of 30 and is induced due to stress
. There is no definitive cause for it and it can not be passed like an infection.
The only treatment available is symptomatic treatment like:
-regular sips of water
-multi vitamin tablets
-avoiding alcohol containing mouthwashes
-consuming chips of ice helps
-avoid spicy food
-try to avoid stress
Hope you feel better soon.