One of the most frequent reasons for seeking dental care is discolored anterior teeth. Even persons having teeth with normal color often request to have them made whiter. Treatment considerations include removal of surface stains, bleaching, veneering and placement of porcelain crowns.Discolorations are classified as extrinsic or intrinsic. Extrinsic stains are located on the outer surface of the teeth, whereas, intrinsic stains are internal. The etiology and treatments are discussed below:Extrinsic DiscolorationsStains on the outside of the teeth are quite common. In younger persons, stains may be related to remnants of Nasmyth’s membrane, poor oral hygiene, existing restorations, bleeding gums, plaque accumulation, irregular eating habits or the presence of chromogenic bacteria or fungi. In older persons, stains on the teeth are more likely to be brown, black or gray and occur on areas adjacent to the gingival tissue. Poor oral hygiene is a contributing factor as well as coffee, tea and certain other types of foods.TreatmentMost surface stains can be removed by routine prophylactic procedures. Some superficial discolorations on tooth colored restorations and decalcified areas on the teeth cannot be corrected by such cleaning. Conservative correction may be accomplished by surfacing […]

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