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Terms in this set (13)
4 classifications of stains
Extrinsic, intrinsic, exogenous, endogenous
Occur on external surface of a tooth and removable by polishing
Occur within tooth structure and not removable by polishing
Develop or originate from sources outside the tooth and may be extrinsic or intrinsic.
develop or originate from within tooth and are always intrinsic.
generally can be removed by a coronal polish
is the most common type stain and is associated with poor oral hygiene. caused by discoloration of the accumulation of dental plaque
second most common extrinsic stain; has a clinical appearance which varies from yellow to almost black; may occur any where in mouth and usually is embedded within plaque and calculus.
has a clinical appearance of yellowish-green to dark green; primarily found on children's maxillary anterior teeth at the cervical line; exact cause is unknown; after green stain is removed, generally home care can prevent it's reoccurrence.
Black Line Stain
Appears as black or brown stain; appear frequently in clean mouths as a continuous line, usual on lingual surface, around the neck of the tooth near the gingival margin; it is found more often in females and in children.
disturbance during the formation if dentin; clinically teeth appear translucent with a gray to brown color.
disturbance during the formation of enamel; clinically teeth appear a yellowish brown.
discoloration of children's teeth can result when antibiotic is administered during 3rd month of preg, infancy or early childhood; enamel hypoplasia may occur; color of teeth may be light or dark yellow or gray brown.
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