staining (stan´ing)

1. The act of applying a stain. See also stain. 2. In dentistry, modification of the color of the tooth or denture base.
progressive s.a procedure in which s. is continued until the desired intensity of coloring of tissue elements is attained.
regressive s.a type of s. in which tissues are overstained and the excess dye is then removed selectively until the desired intensity is obtained.


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