1. Sensitivity can be due to- food lodgement in gums, grinded teeth, caries, or any injury ( few reasons )
2. If you feel sensitivity in one tooth, check if the tooth is discoloured. If yes, please consult a dentist.
3. If tooth is fine, check for gums, if you see swelling or discolouration, or hard deposit, consult a dentist.
Next Steps
If sensitivity is unbearable and you see abnormal signs, you may schedule an online consultation.
Health Tips
Use anti-sensitivity paste. Use floss on the area affected and a mouthwash ( 1:4 dilution with water ) on alternate days.