50.1 MB (828.2 KB compressed)
5120 x 3417 pixels
43.4 x 29.0 cm ⏐ 17.1 x 11.4 in (300dpi)
DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
A 25 year old woman's tooth, stained yellow and brown from use of tetracyclines for acne as a teenager. Tetracylines are broad-spectrum antibiotics used to treat bacterial infections. They bind with calcium and become deposited in growing bone and teeth, causing staining and fluorescence. For this reason, tetracyclines are not normally given to pregnant women or children under 12 years old.
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