Their are multple reasons for tooth pain .They are :
Grinding teeth (bruxism)
An abnormal bite
Tooth eruption (in babies and school-age children)
Rinse with warm salt water Gently floss teeth to dislodge any food particles trapped between teeth. Take an over-the-counter pain reliever such as ibuprofen or acetaminophen to relieve pain. Never put aspirin or any other painkiller against the gums near the aching tooth, as it may burn the gum tissue. Apply an over-the-counter antiseptic containing benzocaine directly to the irritated tooth and gum to temporarily relieve pain. Visit dentist
for tooth pain the reason can be
1. Dental Caries
2. Food Lodgement in interproximal area( between two teeth)
3. Gum Problems etc.
For pain relief you can take "Tab. Combifllam twise a day" for time being.
Visit your nearby Dentist and get the diagnosis of the cause.