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Tag: molars
Evidence of tooth decay-causing bacteria found in 4,000-year-old human molars
Scientists have found evidence of bacteria that cause tooth decay and gum disease in 4,000-year-old human molars. Trapped within the dental remains that were unearthed from a limestone cave in Co Limerick, the researchers found an “unprecedented quantity” of the DNA of streptococcus mutans, a type of bacteria in the human mouth responsible for cavities. […]