Dental trauma

Dental trauma
A broken upper front tooth. The layers of tissue that make up the tooth are clearly visible, with the pink pulp standing out against the paler dentine and tooth enamel.
SpecialtyOral and maxillofacial surgery 

Dental trauma refers to trauma (injury) to the teeth and/or periodontium (gums, periodontal ligament, alveolar bone), and nearby soft tissues such as the lips, tongue, etc. The study of dental trauma is called dental traumatology.