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Dental cavity, also known as tooth decay, [a] is the breakdown of teeth due to acids produced by bacteria. [6] The resulting cavities may be a number of different colors, from yellow to black. [1]
Dental caries infestation in a dog. Dental caries, also known as tooth decay, is uncommon among companion animals. [1] The bacteria Streptococcus mutans and Streptococcus sanguis cause dental caries by metabolising sugars. [2]
Anak Krakatau [notes 1] is a volcanic island in Indonesia. On 29 December 1927, Anak Krakatau first emerged from the caldera formed in 1883 by the explosive volcanic eruption that destroyed the island of Krakatoa .