Healthy teeth can not only ensure the normal function of human body chewing, swallowing, speech, a beautiful set of teeth can also enhance a person’s self-confidence, however, want to have a mouthful of healthy teeth is not easy, so parents should always pay attention to the child’s teeth, when it appears in the following 3 kinds of conditions, it may be necessary to take the child to see a dentist. 1, Teeth discoloration. Tooth decay is one of the main causes of tooth discoloration. Children’s teeth are different from adult teeth, the nerves of milk teeth are not sensitive, so it is not easy to notice, even if the tooth nerves have been exposed, the child has no sense of pain, if not treated in time, it will increase the consultation time and the child’s pain and other discomforts during the visit. Therefore, parents should always pay attention to the color of the child’s teeth, such as obvious black spots, should be timely consultation. 2.Bleeding gums. It is normal for children who do not have the habit of brushing their teeth to have a small amount of bleeding from the gums during the first few times of brushing. However, when the child’s gums bleed for a long time, parents should take the child to the doctor, because the periodontal status in childhood will affect the future health of the child’s teeth, and sometimes, moderate periodontitis can even cause tooth loss in adolescents, and even more so, there will be a toothless mouth at the age of 30 years old. 3.Crowded teeth or jawbone dysplasia. Has replaced the milk teeth of the child, if the teeth are not aligned, should take the child in time for orthodontic treatment, because many serious malocclusion patients, that is, in the proverbial “Baotian”, “Baodi” and other symptoms, early correction is the key to treatment. In addition, a simple oral examination can be performed when the child has no or minor symptoms, as damage to the teeth is irreversible. Early detection and treatment not only minimizes damage to the teeth and reduces consultation time, but also reduces the pain and discomfort of the treatment, helps the child and the doctor to build trust, and reduces the fear of dental treatment.