Skip to main content
. 2022 Apr 15;55(Suppl 3):804–826. doi: 10.1111/iej.13737

TABLE 1.

Aetiological factors for VRF

Predisposing risks

  • Structural integrity of the tooth

  • Presence of pre‐existing cracks & fractures

  • Changes in biomechanical properties of dentine of root treated teeth

  • Anatomy and root canal morphology

  • Location of the tooth

  • Parafunction and/or unfavourable occlusal arrangement

  • Diet
Contributory risks

  • Excessive removal of sound dentine during root canal treatment

  • Prolonged exposure to intracanal disinfectants and medicaments

  • Inappropriate execution of post‐endodontic restoration