Abstract

Allergic contact cheilitis may appear after exposure to different substances, including dental materials, toothpastes, cosmetics, foods and medications. To compare the rate of toothpaste allergy between patients with and without cheilitis and to examine the yield of our proposed toothpaste patch test kit for use in patients with cheilitis. A patch test kit containing 11 substances used in toothpastes was formed. The study sample consisted of 44 patients, 24 with cheilitis (study group) and 20 with contact dermatitis but without cheilitis (control group). Eleven patients in the study group (45%) were found to be allergic to toothpaste, compared to only one patient (5%) in the control group (p < .05). The rate of toothpaste allergy among patients with cheilitis might be higher than previously reported. Patch-testing with our toothpaste series is recommended in the evaluation of cheilitis.

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