Evidence supporting the use of: Tea (not specified)
For the body system: Teeth

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Tea, particularly green and black tea, has been studied for its potential benefits in supporting oral health, including the teeth. Scientific research indicates that tea contains polyphenols, such as catechins and theaflavins, which possess antibacterial properties that may help inhibit the growth of oral bacteria associated with dental caries and periodontal disease. Several studies have reported that rinsing with or drinking tea can reduce levels of Streptococcus mutans and other bacteria in the mouth, potentially lowering the risk of tooth decay.

Additionally, tea is a natural source of fluoride, a mineral well-known for its protective effects against dental caries. The fluoride content in tea can contribute to remineralization of tooth enamel, making it more resistant to acid attacks from bacterial metabolism. Some epidemiological studies suggest that populations with higher tea consumption tend to have lower rates of dental cavities, although these findings may be confounded by other dietary and lifestyle factors.

However, it is important to mention that tea can also stain teeth due to its tannin content, and certain varieties may be acidic enough to contribute to enamel erosion if consumed excessively. Overall, while there is moderate scientific evidence supporting the use of tea for dental health, it should be considered as part of a broader oral hygiene routine rather than a standalone preventive measure.

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