Effect of different doses of zinc and copper on gingival tissues

ABSTRACT

The effect of zinc and copper ions on the gingival tissues were studied histologically. White rate were let to drink water contained zinc sulphate or copper sulphate each of 25, 50 and 100 ppm. Histological examinations of gingivial tissues revealed that zinc and copper sulphates at 100 ppm only, increased epithelial thickness, elongate rete pegs and affect lamina propria. Lower concentration, of each element caused no histologic change in rat gingival tissues