Vojnosanitetski pregled 2004 Volume 61, Issue 1, Pages: 5-8
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Influence of nifedipine on gingiva of Wistar rats
Noninflammatory hyperplastic growth of gingiva induced by calcium channel blockers, mostly nifedipine, is often seen in everyday dental practice. In order to establish an association of nifedipine and gingival hyperplasia, experimental model was used. Wistar rats were given water solution of nifedipine in different daily doses, using specially designed cannula. At the beginning of the experiment, before the application of nifedipine and in the determined time periods, gingival volume was measured. The volume of lower incisors interdental central papillas, represented multiplied values of vertical hight, mesio-distal width, and bucco-lingual depth, expressed in millimeters. The results indicated that gingival hyperplasia was more excessive in the experimental animals, which were given higher doses of the drug for longer time period. Nifedipine is a drug which induces gingival fibroblasts to produce higher quantity of collagen that causes gingival overgrowth.
Keywords: nifedipine, gingival hyperplasia
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