Three of the four wisdom teeth have already been extracted, and the last one is recommended to be extracted if it is growing properly. Wisdom teeth do not necessarily have to be removed after the appearance of wisdom teeth, if the growth direction of the wisdom teeth is normal, and there is no wisdom teeth pericoronitis disease, and there is no wisdom teeth caries and other conditions, generally do not have to rush to remove the wisdom teeth, usually you can first observe the wisdom teeth. This is the case when the wisdom teeth have normal occlusion, if all three are removed, the remaining one does not have the jaw teeth occlusion may cause the elongation of the remaining wisdom teeth, followed by food impaction, affecting the health of neighboring teeth. Therefore, it is recommended that the remaining one be extracted at a later date if there are no special circumstances. After extraction, it is necessary to pay attention to good personal oral care, avoid spicy stimulation or eat too hard food.