The electronic determination of working length.

@article{McDonald1992TheED,
  title={The electronic determination of working length.},
  author={Neville J. McDonald},
  journal={Dental clinics of North America},
  year={1992},
  volume={36 2},
  pages={293-307}
}
Electronic digital imaging systems provide the clinician with the ability to manipulate, enhance, and store radiographic images for immediate recall. Apex locators are a useful adjunct to endodontic therapy. It is important to understand that they do not replace radiographs completely in treatment. Radiographs still provide the only means by which the clinician can gain an overall visual image of the tooth being treated. It is important to visualize the crown and root anatomy; the relationship… CONTINUE READING