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How Vitamin D Can Help Prevent Tooth Decay and Gum Disease

Vitamin D is a fat-soluble vitamin that the body needs for many important functions, including absorbing calcium and phosphorus, which are essential for strong bones and teeth. It also helps to regulate the immune system, which plays a role in preventing gum disease and other oral health problems.

Related dental diseases?

  • Tooth decay is a condition that occurs when the acids produced by bacteria in the mouth break down the enamel of the teeth. Vitamin D is essential for the absorption of calcium and phosphorus, which are the main minerals that make up teeth. Low vitamin D levels can lead to a lack of these minerals in the teeth, making them more susceptible to decay. [1]

  • Gingivitis is a type of gum disease that is characterized by inflammation and redness of the gums. The gums may also bleed easily. Vitamin D deficiency has been linked to an increased risk of gingivitis. [2] This is because vitamin D helps to regulate the immune system, and a deficiency can lead to an imbalance in the bacteria that live in the mouth. [3]

protect your smile with sufficient vitamin d

  • Periodontitis is a more serious form of gum disease that can damage the tissues and bones that support the teeth. It can lead to tooth loss. Vitamin D deficiency has also been linked to an increased risk of periodontal disease. [4] This is likely due to the same reasons as for gingivitis.

  • Osteoporosis is a condition that causes bones to become weak and brittle. This can lead to fractures, especially in the hip, spine, and wrist. Vitamin D is essential for the formation and maintenance of strong bones. Low vitamin D levels can increase the risk of osteoporosis. [5]

How to Increase Your Vitamin D Levels

There are a few ways to increase your vitamin D levels. One way is to get more sun exposure. However, it is important to note that too much sun exposure can also be harmful. Another way to increase your vitamin D levels is to eat foods that are rich in vitamin D, such as fatty fish, egg yolks, and fortified milk. You can also take a vitamin D supplement.

The recommended daily intake of vitamin D for adults is 15 micrograms (mcg). [6] However, some people may need more than this, especially if they are at risk of vitamin D deficiency.

If you are concerned about your vitamin D levels, talk to your doctor. They can help you determine if you are getting enough vitamin D and recommend ways to increase your levels if necessary.

Here are some additional tips for increasing your vitamin D levels:

  • Spend time in the sun during the early morning or late afternoon when the sun's rays are less intense.

  • Eat foods that are rich in vitamin D, such as fatty fish, egg yolks, and fortified milk.

  • Take a vitamin D supplement.

Talk to your doctor about the best way to increase your vitamin D levels for you.

This content is intended for educational purposes only and is not a substitute for professional medical advice. If you have any questions or concerns about your health, please consult with a healthcare professional.


1. Botelho J, Machado V, Proença L, Delgado AS, Mendes JJ. Vitamin D Deficiency and Oral Health: A Comprehensive Review. Nutrients. 2020 May 19;12(5):1471. doi: 10.3390/nu12051471. PMID: 32438644; PMCID: PMC7285165.

2. Jagelavičienė E, Vaitkevičienė I, Šilingaitė D, Šinkūnaitė E, Daugėlaitė G. The Relationship between Vitamin D and Periodontal Pathology. Medicina (Kaunas). 2018 Jun 12;54(3):45. doi: 10.3390/medicina54030045. PMID: 30344276; PMCID: PMC6122115.

3. Prietl B, Treiber G, Pieber TR, Amrein K. Vitamin D and immune function. Nutrients. 2013 Jul 5;5(7):2502-21. doi: 10.3390/nu5072502. PMID: 23857223; PMCID: PMC3738984.

4. Machado V, Lobo S, Proença L, Mendes JJ, Botelho J. Vitamin D and Periodontitis: A Systematic Review and Meta-Analysis. Nutrients. 2020 Jul 22;12(8):2177. doi: 10.3390/nu12082177. PMID: 32708032; PMCID: PMC7468917.

5. Lips P, van Schoor NM. The effect of vitamin D on bone and osteoporosis. Best Pract Res Clin Endocrinol Metab. 2011 Aug;25(4):585-91. doi: 10.1016/j.beem.2011.05.002. PMID: 21872800.

6. U.S. Department of Health and Human Services. Office of dietary supplements - vitamin D. NIH Office of Dietary Supplements.

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Rapid quantitative immunoassay analyzer

FREND is a quantitative immunoassay analyzing instrument that utilizes disposable cartridge to provide in vitro diagnostics results.

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