Vertical root fracture occurs most often after root canal treatment, has no obvious clinical symptoms of specificity, and often no obvious symptoms, early diagnosis is difficult, and often missed diagnosis and misdiagnosis occurs, so we proceed from the perspective of the etiology of root canal treatment for each step in the process of the impact of vertical root fracture were reviewed for clinical practice information to reduce the incidence of vertical root fracture, root canal therapy to improve long-term success rate.
