Teeth are very important organs, Teeth are not made of bone, but rather of multiple tissues of varying density and hardness that originate from the embryonic germ layer, the ectoderm. Recently, our princess Elsa felt very painful in her teeth, she needed a dentist Help, first you need to check the condition of the princess's teeth, then perform surgery to remove the cavities, re-set the teeth, and finally clean the princess's teeth and take photos to record the results of the examination.