Self injury most likely caused after extraction in children is

Inadvertent lip biting after inferior alveolar nerve block is most commonly seen in children after extraction. This self-injury mostly occurs due to dentist fail to mention/provide important instructions to child/ their parents that he/she should not eat anything till effect of anesthesia completely wears off as it leads to unknowing/ Inadvertent lip biting during eating. Sometimes this also happens if child/parents fail to follow the instructions mentioned by dentist.