Photoelastic analysis of post core restorations.

  title={Photoelastic analysis of post core restorations.},
  author={Patrick J Henry},
  journal={Australian dental journal},
  volume={22 3},
Photoelastic models were used to analyse the effects of stress distribution around post-core systems. Parallel post designs were found to distribute stress more evenly to the tooth root, as compared to tapered posts. Screwed posts were found to be more undersirable.