Comparing three abutment types with a zirconia crown in the aesthetic zone: a case report.

@article{Mahn2009ComparingTA,
  title={Comparing three abutment types with a zirconia crown in the aesthetic zone: a case report.},
  author={Douglas H. Mahn and Mariano A Polack},
  journal={Dentistry today},
  year={2009},
  volume={28 3},
  pages={108, 110-1}
}