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A 48-year-old member asked:

How do ultraviolet rays help your bones and teeth?

2 doctor answers5 doctors weighed in
Dr. TAPAN CHAUDHURI
Nuclear Medicine 55 years experience
SUN AND VITAMIN D: Sun's rays makes vitamin d in the skin which in turn helps absortion of calcium from the intestine . The absorbed calcium then makes the bone and teeth stronger.
Dr. Meng Syn
Dr. Meng Synanswered
Dentistry 38 years experience
No: Long term exposure to uv light is unhealthy. However, we need some uv light from the sun to produce vitamin d. Vitamin d is important in regulating bone density and osteoporosis. Vitamin d deficiencies have been linked to tooth loss, and periodontal risk factors like low bone mass. Also vitamin d may act as an anti inflammatory agent and stimulate the production of oral anti microbial peptide.

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Last updated Oct 16, 2017

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