At 11 years old, the teeth can still grow after taking radiographs and checking that there are tooth germs, but if there are no tooth germs or the permanent teeth have been replaced, they can’t grow and need to be restored by denture. 1. With tooth germ: the replacement period is from 6 to 12 years old, 11 years old tooth loss may be the replacement of the second molar, there is a tooth germ under the radiograph, the permanent teeth will grow out slowly in about two months. 2. No tooth germ: If the tooth loss is no tooth germ after the mammogram examination of the milk teeth, or the tooth loss caused by caries in the permanent teeth, there will be no more tooth growth, and need to be prosthetic restoration. Whether 11-year-old teeth can still grow teeth, specific to the hospital according to the condition of the teeth and film examination can only be confirmed.