For orthodontic extraction is what the harm, dental experts pointed out that orthodontic extraction is no harm, orthodontic extraction is a certain reason. 1, use the extraction gap to align the congested teeth. The ability to extract teeth is greater for patients with congestion in II-III degrees; 2, use the gap to extract the front teeth inward to improve the arch protrusion and improve the facial shape. The most important thing is to make sure that you have a good understanding of the situation. The harm of tooth extraction in orthodontics is not something to worry too much about, in fact, compared to the previous tooth extraction treatment, the tooth extraction treatment in orthodontics is now not so painful. At present, regarding tooth extraction, many regular orthodontic hospitals use advanced anesthesia technology. Patients will only have a numb feeling during tooth extraction, and may also feel the doctor’s movements in the mouth, but will not feel pain. With the advancement of anesthesia technology, tooth extraction nowadays does not cause too much trouble to consumers regarding pain. After the extraction, the anesthesia will wear off and the pain will start to be slight, but basically it will stop after 12 hours. The purpose of orthodontic extractions is to improve the aesthetics while keeping the remaining teeth in the best possible position for maximum function. Before the extraction, the oral and maxillofacial surgeon will do a thorough examination to determine if the local and systemic conditions allow it. The orthodontist extracts the teeth that need to be removed for orthodontic treatment while ensuring that local anesthesia is painless. Extractions are most often performed at the recommendation of the doctor and at the request of the patient. Therefore, on the issue of whether to extract teeth during orthodontic treatment, orthodontists are required to have excellent medical skills, good medical ethics, and decide from a dynamic educational point of view, considering various factors such as chewing, appearance and patient psychology, combined with photography, film taking, model analysis, and medical history questioning. So we should not worry too much about the hazards of orthodontic tooth extraction, orthodontics should go to a regular dental hospital, so as to ensure the effectiveness of orthodontics.