dental stain


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dental stain

A discoloration accumulating on the surface of teeth, dentures, or denture base material, most often attributed to the use of tea, coffee, or tobacco. Many stains contain calcium, carbon, copper, iron, nitrogen, oxygen, and sulfur. Stains may be intrinsic or extrinsic. Extrinsic stains of teeth can be removed, e.g, , by brushing, rinsing, or sonication. Intrinsic stains cannot be removed by these methods.
See also: stain
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6%) of sodium hexametaphosphate in a chewing gum prevented deposition of extrinsic dental stain better than a chewing gum without sodium hexametaphosphate.
Well, its time you rework the tooth-whitening mantra, for a new study has found that the transparent beverage increases the risk of dark dental stains.
When combined with different adhesive restorative techniques, it can be used for preparing tooth surfaces, for orthodontic bands; bonding and removing brackets; removing dental stains and sealants; polishing tooth surfaces; and diagnosing fissure and pit lesions [Goldstein and Parkins, 1994, 1995; Rosenberg, 1995].