Dentures are not recommended for 4 year olds with incisors, children at this stage are in a period of tooth replacement and their teeth will still grow in. 4-year-old children’s incisors appeared to fall out of the situation, generally do not need to install dentures, this time the children in the period of tooth replacement, will be with the growth and development, the new teeth will gradually grow out. 4-year-old children usually have to do a good job of dental care, in the tooth replacement period is prone to a series of oral problems, such as tooth decay. It is recommended to avoid giving your child too much sugary food to avoid affecting oral health. You should also supervise your child to brush their teeth and rinse their mouth to maintain good oral hygiene. A well-balanced diet, which can include more eggs, dairy products, vegetables, fruits and other foods high in protein and vitamins, will help the body’s growth and development. If the incisors of 4-year-old children are falling out abnormally, such as trauma, fall, etc., they should go to the hospital in time to avoid adverse effects.