Root canal retreatment: 2. Practical solutions.

@article{Ford2004RootCR,
  title={Root canal retreatment: 2. Practical solutions.},
  author={Thomas R. Ford and James S. Rhodes},
  journal={Dental update},
  year={2004},
  volume={31 2},
  pages={97-102}
}
Root canal retreatment is often the preferred method of treating a tooth in which root canal treatment has failed. Part two of this two-part article discusses the rationale for root canal retreatment and practical techniques and equipment that are available to practitioners.