sectional impression


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sec·tion·al im·pres·sion

an impression that is made in sections.
Farlex Partner Medical Dictionary © Farlex 2012

sec·tion·al im·pres·sion

(sekshŭn-ăl im-preshŭn)
Negative likeness that is made in sections then reassembled to provide a full contour cast.
Medical Dictionary for the Dental Professions © Farlex 2012