It is not necessary to eat before tooth extraction, but it is recommended to eat because it can reduce the risk of tooth extraction. Because the basic dental extraction procedures in clinical practice are performed under local anesthesia, which is not required for eating, it is recommended to eat before extraction to ensure that the organism has enough energy as well as calories so that the process of extraction will not lead to fainting due to hypoglycemia and fear. Since most of the extractions are performed in the morning, many patients are especially prone to fainting during the extraction because of the fear of being extracted and the joint organism has not eaten, and most of this situation will be significantly relieved after eating. From this point of view, basically all clinical extraction doctors recommend that tooth extraction be performed after eating.