Hello, the harm of uneven teeth is relatively great, and you need to do dental plastic surgery. Uneven teeth can easily lead to unclean brushing, so it is easy to grow dental caries and tartar, which will affect the health of teeth and periodontal. Because the relationship between upper and lower occlusion is not good, it will affect eating, reduce chewing function, increase gastrointestinal burden, and thus affect health. Sometimes it affects pronunciation.