Rotten incisors are usually caused by caries or trauma, and can be filled or medicated to prevent further damage to the enamel. If children usually have bad eating habits, love to eat sweet food, coupled with poor oral care, it is easy to caries, thus appearing in the middle of the gap between the incisors rotten situation. Or inadvertently bumped or subjected to violent factors, it is also easy to make the incisors damaged. Parents can take their children to the hospital for professional fillings, and the filling materials will usually include glass ionomer and light-cured resin. If the damage is minor and does not affect the bite function of the tooth, the doctor can apply sodium fluoride solution, etc. to prevent continued damage to the enamel. In addition, it also depends on whether it is a milk tooth or a permanent tooth, if it is a permanent tooth it is recommended to fill the tooth in time, if it is a milk tooth and the damage is relatively mild, you can first carry out the above treatment and wait for the eruption of permanent teeth during the tooth replacement period. Pay attention to the oral hygiene in daily life, and develop a good habit of brushing your teeth in the morning and evening, and rinsing your mouth after meals.