Cusp fractures take place regularly in root canal treated teeth with huge restorations and no cusp protection. These cracks frequently lead to perplexing clinical decisions, for instance, whether to carry out intricate restorative treatment or extraction of the fractured teeth. Traumatic dental injuries may occur due to either a direct or indirect impact. The extent of the harm comes from the energy, direction, and form of the impacting item and the reaction of the tissues neighboring the tooth. A systematic literature review was conducted from 2012 to 2022 was performed using databases such as PubMed, Medline and ScienceDirect. The key words used were “cusp fractures”, “tooth trauma”, “cracked tooth’. PRISMA flowchart was used to describe the selection process of searched articles. We found A total of six studies were included in the systematic review of which three documented falls and injuries as the most common cause of cusp fracture. Most common reasons for cusp fracture are noted to be trauma, whereas the occlusal stress or restoration related fractures are less common.
