Trauma to the incisors may cause damage to the supporting bone tissues and gums, which may cause loosening of the neighboring teeth, gingivitis of the neighboring teeth and other disease symptoms, as follows. 1. Loosening of neighboring teeth: incisor trauma may lead to supporting bone tissue damage, including comminuted fracture of the alveolar fossa, alveolar fossa bone wall fracture, alveolar eminence fracture, jawbone fracture, etc., which may cause different degrees of loosening of neighboring teeth. 2. Gingivitis of neighboring teeth: Trauma to incisors may lead to tearing of gums, and bacteria and foreign objects are easy to cause infection, which may lead to inflammation of neighboring gums. Incisor trauma may also have other effects on other teeth, it is recommended to go to the hospital in time, with the help of the doctor for targeted treatment.