Synopsis

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

Citrus fruits, such as oranges, lemons, and grapefruits, are well known for their high vitamin C content. There is scientific evidence supporting the role of vitamin C in maintaining gum health. Vitamin C is essential for collagen synthesis, which is a key component of gum tissue. Deficiency in vitamin C can lead to scurvy, a condition characterized by bleeding, swollen gums and eventual tooth loss, highlighting the critical role of this nutrient in oral health. Several studies have observed correlations between low vitamin C intake and increased risk of periodontal disease. For example, a review published in the Journal of Clinical Periodontology (2003) concluded that vitamin C deficiency is associated with poor periodontal health. However, while adequate intake of citrus and other vitamin C-rich foods supports healthy gums, there is limited evidence that consuming citrus in excess or as supplements offers additional benefit for individuals with already sufficient vitamin C status. Furthermore, the natural acidity of citrus fruits can potentially erode tooth enamel if consumed in excess or without proper oral hygiene. In summary, the use of citrus to support gum health is scientifically validated primarily due to its vitamin C content, which is essential for gum tissue integrity, but it should be consumed as part of a balanced diet.

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