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.
Cavities, also referred to as tooth decay or caries, are holes in the teeth. Cavities are the second-most common health disorder in the United States, according to the National Institutes of Health (the first is the common cold) and a very common disorder worldwide. tooth abscess is a complication of tooth decay. Bacteria get into the pulp of the tooth through the cavity and cause infection. Pus then collects in the center of the tooth, causing an abscess. Abscesses can also be caused by trauma to the tooth, such as chipping or breaking, according to the NIH.