When a person spikes the volleyball hard from the other team (or side), a person from the team opposite of the one who just spiked will block the ball and keep it off their si â¦ de.
Tooth decay is the destruction of your tooth enamel, the hard, outer layer of your teeth. It can be a problem for children, teens and adults. Plaque, a sticky film of bacteria, constantly forms on your teeth.
When you slack on brushing and flossing,oral care problems will result, which could lead to cavities and gum problems. Tooth decay is what happens when your tooth enamel is destroyed by the bacteria in plaque that produce acids which will eat away at the enamel. Plaque constantly forms on your teeth from the ever-present bacteria in your mouth, so you always have to be on your guard.