Conservative approach to the placement of retentive pins.

  title={Conservative approach to the placement of retentive pins.},
  author={W E Dilts and Tarek Coury},
  journal={Dental clinics of North America},
  volume={20 2},
A thorough understanding of the basic principles of cavity preparation and knowledge of tooth morphology are necessary for the successful positioning of pin channels in the tooth. Sufficient dentin surrounding the channel is necessary for adequate strength, to avoid external fractures of tooth structure and to protect the pulp. Once the channel location is decided upon, it should be made parallel with the external surface of the tooth rather than its long axis. It is suggested that the operator… CONTINUE READING