Despite a low mortality rate associated with dental caries, it has a considerable impact on self-esteem, eating ability, nutrition, and health. Teeth are important in enabling consumption of a varied diet and preparing the food for digestion. In modern society the most important role of teeth is to enhance appearance and facial appearance is very important in determining an individual’s integration into society. Teeth also play an important role in speech, being essential for making certain sounds. Dental diseases may therefore impact on diet and nutrition, facial appearance and speech. In addition, dental caries cause considerable pain and anxiety.
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