Cracked incisors can be improved through dietary adjustments, observation, wearing crowns and other measures. 1. Diet: Choose light, soft and easy-to-digest food, do not eat too cold, too spicy, too hard and other irritating ingredients. 2. Observation: If the cracks are minor and do not damage the pulp and nerves, there is no pain, pay attention to oral hygiene and brush your teeth on time, you can observe first. 3. Wear a crown: If the crack is deeper and causes localized damage that affects the function, you need to go to the hospital in time to clean it up, and then you can wear a crown to protect it. Incisors knocked cracks, it is recommended to go to the hospital for examination, according to the specific degree, follow the doctor’s instructions to take individualized treatment measures.