@article{osama ibrahim el shahawy2016restoration,
  title={Successful Restoration of Severely Mutilated Primary Incisors
Using a Novel Method to Retain Zirconia Crowns – Two Year Results},
  author={osama ibrahim el shahawy,anne c o’connell},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={40},
  number={6},
  pages={425--430},
  doi = {10.17796/1053-4628-40.6.425},
  year={2016}
}