If your sensitive teeth with pain have any decay/cavity or severe attrition(usually happens by grinding), then you must get your treatment done as soon as possible. Inorder to address your issue, you will require couple of dental x rays near painfull teeth region. Sensodyne can only help relieve your sensitivity to cold symptoms.

U may consult me i cn guide u

Hi don’t use sensodyne .. pls visit dentist

If ur pain is localized to few teeth that shows u have a cavity.... it needs to b filled as soon as possible .... visit the dentist nd get a thorough check up with an x ray

U need to visit the dentist as ur symptoms are warning u that smthg is wrong .....