Generally, after the delivery of the fetus, you should also actively brush your teeth and rinse your mouth to keep it clean and prevent dental caries and periodontitis, and brush your teeth with warm water to be more assured. In the past, there is a superstitious saying that you can’t brush your teeth and ventilate the room during the menstrual period, but it is actually a wrong saying, because there are many people who don’t brush their teeth during the menstrual period to cause dental caries and periodontitis, which can cause serious damage to teeth and gums. During the puerperium, you should brush your teeth and rinse your mouth regularly to prevent tooth decay, protect your gums and have a good effect on the treatment of periodontitis, rinse your mouth with salt water regularly, avoid spicy and stimulating food, tobacco and alcohol, supplement multivitamin drugs and food, and treat and prevent periodontitis. All in all, it is possible to brush your teeth during the month, it is recommended to brush your teeth in the correct way, you should brush your teeth in the up and down direction, not horizontally, so as not to damage your teeth and cause wedge-shaped defect performance, it is better to brush your teeth with a soft bristle toothbrush, it is not easy to damage the gums, when brushing your teeth, you should pay attention to the action to be very light and slow, it is best to brush your teeth with warm water, do not use cold water or too hot water, so as not to stimulate the teeth and oral mucosa.