If your child still grinds his/her teeth after taking the worming medicine, consider that the grinding is caused by other reasons, such as lack of vitamin D, indigestion, and misalignment of teeth. 1. Lack of vitamin D: The food prepared by parents for their children has low vitamin D content, or the children are picky eaters, resulting in insufficient intake of vitamin D, which affects the absorption of calcium. Due to the lack of calcium in the child’s body, the nerves are easy to be excited at night, resulting in night terrors, easy to wake up, and symptoms such as teeth grinding. 2. Indigestion: If the child eats too much hard-to-digest food for dinner, the gastrointestinal tract is overburdened with digestion, and the child will appear to grind his or her teeth. 3. Teeth are not well aligned: during the period of tooth replacement, the retention of milk teeth, premature loss, children often lick their teeth, sucking fingers and other reasons, resulting in teeth are not well aligned, the teeth face bite bad, will also cause the emergence of the child grinding symptoms. The child still grinds his teeth after taking insecticide, there may be other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.