Dental caries is the scientific term for tooth decay or cavities. It is caused by specific types of bacteria. They produce acid that destroys the tooth's enamel and the layer under it, the dentin.
A giraffe is an herbivore-albeit I've heard of them eating meat on occasion-it's rare that they do, and not their normal diet. RealFriends Â· 9 years ago. Thumbs up.
According to National Geographic, the average lifespan for a giraffe in the wild is 25 years. Giraffes have been known to live longer when in captivity in zoos.