Effect of breast and bottle feeding on the maxillary intercanine width in a group of Egyptian children

360 nursery child aged 3-4 years - 175 males [70 breast fed and 105bottle fed] and 185 females [66 breast fed and 199 bottle fed]. Maxillary intercanine width was measured and the data was analyized according to sex and feeding pattern. The result indicated that there is no significant difference in relation sex. But there is a statistical significant difference the maxillary intercanine arch width in relation to feeding pattern

Prevalence of thumb sucking habit among Egyptian children in relation to their nursing pattern

In this study seven hundred and fifty questionair charts were distributed among 3-4years old children for their parents to fill. From these 519 charts were collected. From the charts the children were grouped into 2 groups:Group 1 predomenantly breast-fed for more than six months. Group 2 predomenantly bottle fed [all other children]

Effect of different doses of zinc and copper on gingival tissues

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