Dental maintenance methods include maintaining oral hygiene, paying attention to a reasonable diet, and regular dental cleaning. 1. Maintain oral hygiene: Maintaining oral hygiene is a basic measure to maintain teeth, at least should ensure that the morning and evening brushing twice a day, after meals should rinse in a timely manner, to avoid the accumulation of foreign bodies in the oral cavity, thus causing the growth of bacteria. 2. Pay attention to the reasonable diet: want to maintain the teeth, should also pay attention to light diet, eat less candy, avoid eating too hot or too cold food, reduce the stimulation of teeth. 3. Regular scaling: Teeth are prone to plaque, therefore, regular scaling can effectively improve the plaque situation, thus avoiding the occurrence of dental caries and other oral diseases, and play a role in maintaining the teeth. In order to better protect the teeth, it is recommended that regular checkups be conducted to clarify whether there are any abnormalities in time.