Distortion of disposable plastic stock trays when used with putty vinyl polysiloxane impression materials.

@article{Cho2004DistortionOD,
  title={Distortion of disposable plastic stock trays when used with putty vinyl polysiloxane impression materials.},
  author={George Cho and Winston W L Chee},
  journal={The Journal of prosthetic dentistry},
  year={2004},
  volume={92 4},
  pages={354-8}
}
STATEMENT OF PROBLEM Impressions are made using high-viscosity putty vinyl polysiloxane impression materials in conjunction with disposable plastic stock trays. The impression materials have been shown to be dimensionally stable. However, it remains unclear if the disposable plastic stock trays are rigid enough to resist deformation thus yielding potentially unreliable results. PURPOSE This study evaluated the rigidity and ability to resist deformation of 6 commercially available disposable… CONTINUE READING

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