Pregnant women with toothache are generally not recommended to take medication to avoid causing fetal deformities and aggravate the risk of miscarriage, it is best to go to the hospital stomatology department to take different treatments for the cause of the toothache. 1. Wisdom tooth pericoronitis: During pregnancy, wisdom teeth are difficult to clean and prone to pericoronitis leading to toothache, you can go to the hospital stomatology department to use hydrogen peroxide and saline to rinse and thoroughly clean up the foreign matter, and then apply iodized glycerin solution locally for anti-inflammatory. 2. Gingivitis: pregnant women during pregnancy due to changes in progesterone, the oral environment also appear certain changes, there may be pregnancy gingivitis resulting in toothache, it is recommended that the best in the mid-pregnancy to the hospital for scaling, so as to remove calculus to avoid stimulation of the gums cause discomfort. 3. Carious lesions: If the teeth of pregnant women during pregnancy, deep caries, pulpitis, acute periapical inflammation and other diseases caused by tooth pain, it is recommended to go to the dentist to find a doctor for cushion filling, open appeasement, root canal treatment and other treatments to alleviate the pain. Pregnant women need to pay attention to the careful use of medication during pregnancy, so when the symptoms of toothache occur, it is recommended that it is best to promptly seek medical treatment for symptomatic treatment, and in serious cases, it is necessary to use anti-inflammatory drugs under the professional guidance of the doctor.