A 5-year-old big tooth that is broken and rotten and empty is usually due to cavities caused by dental caries, which can be repaired by surgical means such as cavity filling.
Dental caries is related to bacterial reproduction, poor diet and other factors. When a tooth suffers from dental caries, there will be a defect that cannot be repaired by the tooth itself, forming a cavity. When the caries cavity is more serious, timely surgical treatment should be carried out to clean the necrotic tissues in the caries, prepare the cavity, and then isolate the saliva from the affected teeth, and then choose the appropriate filling materials to fill the cavity, which is conducive to the restoration of the appearance of the teeth and physiological function, and to prevent the continuation of the development of dental caries.
5-year-old children with symptoms of dental caries, should promptly go to a professional dental institutions, under the guidance of the physician for relevant treatment, usually do a good job of oral cleaning, prevention of dental caries.