When wisdom teeth extraction is performed during the preparation period, it is possible to take a radiograph. The purpose of the radiograph is to observe the position of the wisdom tooth, its relationship with the surrounding tissues, and so on. When wisdom teeth are extracted, it is necessary to choose the appropriate method for removal according to the location of the wisdom teeth. The purpose of filming is to observe in detail the location and shape of the wisdom teeth in the gums, which is conducive to the smooth progress of wisdom teeth extraction. In addition, the radiography is conducted in the head, the radiation dose is very small, can also protect the abdomen, will not affect the quality of eggs, so do not need to worry too much, after the radiography can be normal preparation for pregnancy. During the preparation for pregnancy, it is necessary to go to the hospital for a pre-pregnancy physical examination to assess whether the woman is suitable for pregnancy, so as to achieve the purpose of eugenics and improve the quality of the population. If wisdom teeth or other conditions exist, it is recommended that they be removed during pregnancy preparation to prevent inflammation of the wisdom teeth during pregnancy.