Hi..i filled my tooth some years back.but am having some pain now wen i take cold food..does it mean that i have to clean and fill it again ?

Perhaps: Recurrent decay is a possibility or the initial filling may have been close to the nerve and its acting up. A few simple tests and one x-ray at your dds is in order.

See a dentist: You may have a fractured tooth, gum disease around the tooth, root sensitivity or a cavity on the tooth. See your dentist.

Need to see dentist: You need to see your dentist, take an x-ray to see what is going on. It could be that you have broken filling and a cavity has grown under it and it's deep, or it could be that you have gum recession and have root sensitivity, or maybe a fracture. See your dentist.