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Periodontal scaler

    Periodontal scalers are dental instruments used primarily in the prophylactic and periodontal care of human teeth. The working ends come in a variety of shapes and sizes, but they are always sharp at the tip, so as to allow for access to narrow embrasure spaces between teeth. They differ from Currettes, which possess a rounded tip to access subgingival calculus below the gum line. Subgingival use of a scaler would prove too traumatic to the gingiva for subgingival cleaning.   Scalers are universal and have cutting surfaces on both sides of their blades, and are thus fit for both mesial and distal surfaces of any tooth in the area in which they are being used.

Scalers are best used when their terminal shanks, namely, the last portions of the handle attached to the blades, are held parallel to the long axis of the tooth. To facilitate proper usage, instruments often come with posterior analogs which possess angled terminal shanks.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Periodontal_scaler". A list of authors is available in Wikipedia.
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