Tetracycline plus teeth equal gray smile
...in public in order to hide their teeth darkened by tetracycline stains. Typically, invasive as well as costly trea...in pattern on their patient's teeth. In the 1950s, tetracycline stains reached widespread levels because so many doctors prescribed this drug. Since the stain is......ells. This approach rendered ferritin sensitive to tetracycline (TET), a common antibiotic, so that when TET is present, the ferritin is "off" and when TET is absent, ferritin is "on." Tumor cells with modified ferritin were inserted into living mice and then tracked with MRI. The researchers hampered the express...