intrinsic coloring

in·trin·sic col·or·ing

(in-trinzik kŭlŏr-ing)
Color pigment added within dental prosthesis material.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
First, our procedure shortens the time required to manufacture the provisional prosthesis, because only two appointments are necessary before the prosthesis is delivered: one to make a digital impression of the patient's face, including a skin color scan (for intrinsic coloring), and another for extrinsic coloring, try-in, and delivering the prosthesis.