1, tooth defect, involving multiple deciduous molars can reduce masticatory function.
2. Food residues remain in the cavity and bacteria gather, which makes oral hygiene worse and affects permanent tooth caries.
3. Periapical periodontitis of deciduous teeth affects the germ of permanent teeth, which leads to the disorder of enamel development and can not erupt normally.
4. Early deciduous teeth fall off due to caries, which leads to the narrowing of the gap between permanent teeth, and the lack of gap leads to abnormal position.
5. The damaged crown of deciduous teeth is easy to damage local oral mucosa.
6. The caries of deciduous teeth are serious, which leads to the decline of chewing function, affects children's nutritional intake, and affects the growth and development of fluoride toothpaste on maxillofacial region and whole body.
7. Dental caries of deciduous teeth develop into periapical diseases, which can be used as diseased teeth to make the body look beautiful and pronounce correctly, and also have a certain impact on children's psychology.
I hope the answer can help you.