Abstract
abstract – Dental pulps from 45 caries‐free primary or permanent teeth and from 24 carious primary teeth were investigated for presence of mast cells (MC). All the pulps were removed from split teeth and fixed in Newcomer's fluid or lead acetate‐formalin. Serial sections stained with hematoxylin‐eosin, astra blue (pH 0.2–0.3) + nuclear fast red, and toluidine blue (pH 1.0) demonstrated that pulps without inflammatory cells or with a few small lymphocytes were devoid of typical MC, even in the strongly metachromatic regions. However, MC were noted in all inflamed pulps; the number, distribution, and appearance of the MC depending upon the severity and type of the inflammatory reaction.
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