Science Fair Project Encyclopedia Gingivitis is the inflammation
of the gums (gingiva) around the teeth due to improper cleaning
of teeth. The condition is almost always reversible. Brushing
teeth with toothpaste and flossing with dental floss are the
best ways to prevent gingivitis. Gingivitis is usually caused by
the improper cleaning of teeth. When the teeth are not cleaned
properly, the plaque deposits that result irritate the gums.
Bacteria and toxins may cause the gums to become swollen, and
infected. Gingivitis can also be caused by excessively vigorous
brushing or flossing. Other causes include uncontrolled diabetes
and pregnancy, due to hormonal changes that increase the
sensitivity of the gums. Hormonal changes during puberty also
may put one at risk for gingivitis. The risk of gingivitis is
increased by irritated gums caused by misaligned teeth, the
rough edges of fillings, and ill fitting or unclean dentures,
bridges, and crowns. The drug phenytoin and birth control pills,
and ingestion of heavy m