6-year-old child with black teeth and holes

First of all, six-year-old children may be deciduous teeth may also be permanent teeth, if it is deciduous teeth caries need to judge which tooth, if the front teeth can be replaced immediately conservative treatment. If the back teeth need to wait until the age of twelve or thirteen to replace, this situation must be filled as soon as possible teeth, if the tooth nerve has been infected need root canal treatment. If the newly erupted six-year-old tooth has caries, this tooth cannot be replaced for life and must be treated as soon as possible.