In dentistry, calculus or tartar refers to hardened plaque on the teeth, formed by aging in the presence of saliva, debris[?], and minerals. Its rough surface provides an ideal medium for bacterial growth, threatening the health of the gums[?] and absorbing unaesthetic stains far more easily than natural teeth.
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... in 1995.
In 1998 the Bugatti name was bought by VAG, but by mid-2002 only a handful of prototypes had been produced.
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Today Bugatti cars are amongst the ...