Impact Fracture Patterns of Intact and Restored Human Maxillary Central Incisors

Stokes, Alastair N.; Hood, James A. A.
September 1988
International Journal of Prosthodontics;Sep/Oct1988, Vol. 1 Issue 2, p208
Academic Journal
An impact apparatus was used to determine paths of fracture and fracture energies for three groups of incisors. Intact teeth and those restored by bonded composite resin suffered both crown and root fractures. Teeth with large proximal cavity preparations suffered crown fractures only. Fracture paths were similar to those reported in vivo. Fracture energies for all groups were not statistically different.


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