A dental impression is a negative imprint of hard (teeth) and soft tissues in the mouth from which a positive reproduction (or cast) can be formed.
They are made by using a container which is designed to roughly fit over the dental arches ("trays").
Impression materials are designed to be liquid or semi-solid when first mixed and placed in the tray, and then quickly set to a solid (usually a few minutes depending upon the material), leaving an imprint of the structures in the mouth.
► See also: 8 Keys to a Beautiful Alginate Impression
A short introduction on how to take a correction impression.
The shown materials are recommended by Orthorobot and have proven to be fully compatible with the Orthorobot lab procedure.
For more information on the lab procedure and invisible braces from Orthorobot please visit www.orthorobot.com
Fuente: Youtube / OrthorobotLab