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.
A tooth or periapical abscess occurs when the pulp inside the tooth is infected and happens when the toothâs nerve is dead or dying. The abscess appears at the tip of the toothâs root and can spread into the surrounding bone. Left untreated, what can start as a small cavity can progress to major tooth decay.