Toothbrush with inter-gingiva-sulcus scraping bristles
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United States of America Patent
Stats
-
Aug 22, 2000
Grant Date -
N/A
app pub date -
Oct 19, 1998
filing date -
Oct 15, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A toothbrush with scraping bristles has a plural number of bristle clusters crisscrossly mounted on a block head. The tip of the bristle clusters has a contour mating with dental area. In the block head, there are provided with a scraping bristle stem which has a plural number of movable scraping bristles normally extendable out of the block head for moving to and fro in the gingiva sulcus to scrape off tartars formed on teeth surface. A plural number of spaced and triangle scraping flakes may be disposed on each scraping bristle to enhance the effect of scraping tartars and dental plaque formed in the inter-gingiva-sulcus. The toothbrush may be used manually or be driven electrically.
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