Considerations of implant abutment and crown contour: critical contour and subcritical contour.

@article{Su2010ConsiderationsOI,
  title={Considerations of implant abutment and crown contour: critical contour and subcritical contour.},
  author={Huan Su and {\'O}scar Gonzalez-Mart{\'i}n and Arnold S Weisgold and Ernesto A. Lee},
  journal={The International journal of periodontics & restorative dentistry},
  year={2010},
  volume={30 4},
  pages={335-43}
}
Adequately contoured implant restorations need to transition from the circumferential design of the implant head to the correct cervical tooth anatomy. The implant abutment may be used to effect this transition provided there is sufficient running room. Implant restorations have been described as overcontoured, flat, and undercontoured. It has been shown… CONTINUE READING