If the tooth is painful and the face is swollen, ice packs can be applied within 24 hours. 24 hours of ice packs will reduce the swelling of the face, but it will not make the swelling disappear completely. If it takes more than 48 hours, you should not apply cold compresses, and you can apply local heat compresses. However, in this case, the best way is to go to the hospital for dental treatment to see what causes the swelling of the face and tooth pain. More common in the clinic are wisdom tooth pericoronitis, acute periapical inflammation of the tooth, this time in addition to ice, but also need to carry out anti-inflammatory treatment. If you can intravenous anti-inflammatory drugs cephalosporin and ornidazole, and for wisdom tooth pericoronitis and acute periapical inflammation of the tooth, take the appropriate treatment measures.