Healthy teeth are important to a healthy pregnancy. While cosmetic procedures, such as teeth whitening, should be postponed until after delivery, cleanings and examinations should be kept up-to-date. However, special precautions should be taken when taking dental x-rays on a pregnant woman.
Routine Procedures
If x-rays are needed for routine dental work, it is best to postpone them until after pregnancy, if possible.
Emergency Procedures
X-rays are sometimes necessary for emergency dental work. A pregnant woman should discuss these x-rays with her doctor and dentist. An infection could be harmful to the fetus if left untreated, so dental work and x-rays could be necessary during pregnancy.
The Risk
While precautions should be taken, one diagnostic x-ray is not enough to cause negative effects on the growing fetus or embryo due to the low levels of radiation, according to the American College of Radiology.
Trimesters
The second trimester is the best time to undergo dental work. Unless absolutely necessary, avoid x-rays during the first trimester of pregnancy in order to reduce all the possible risks during this important time of fetal growth. If possible, dental procedures needed during the third trimester should be put off until after birth to avoid lying on your back for too long and to lower the potential for preterm labor.
Precautions
According to the American Dental Association, if a pregnant woman needs x-rays she should wear a leaded apron over her abdomen; if possible, a leaded thyroid collar should also be used. Exams and cleanings are recommended during pregnancy, but you should let your dentist know if you are pregnant.
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