Adult incisors usually don’t grow after they fall out. 1. Generally speaking, there are only two sets of teeth in a person’s life, which are milk teeth and permanent teeth. Adults have permanent teeth, and once the permanent teeth are lost, there will be no new teeth to grow out. 2. Adults must pay attention to good personal dental care health care work, to avoid dental damage, if the teeth have the value of retention, it is recommended to retain the teeth, it is best not to pull out the teeth. After the incisors fall behind may directly affect the individual’s normal life and chewing function, so you need to actively seek medical treatment, you can generally choose to carry out dental implant restoration, you can also carry out movable denture restoration or fixed denture restoration, to avoid chewing function is affected.