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In regards to probing depth, Sonicare showed a mean reduction of 0.84 mm from baseline at 6 months, while Oral B showed an average reduction of 0.39 mm. [6] Individual studies have shown that Sonicare toothbrushes are more effective at removing plaque and reducing gingivitis than manual toothbrushes. [7] [8]
When it released TopView in 1985, the press speculated that the software was the start of IBM's plan to increase its control over the IBM PC (even though IBM published the specifications publicly) by creating a proprietary operating system for it, similar to what IBM had offered for years on its larger computers. [5] TopView also allowed IBM to ...
The 1989 census indicated the Hoa population had appreciated to 960,000 individuals, but their proportion had dropped to 1.5% by then. [299] In 1999, the Hoa population at some 860,000 individuals, [300] or approximately 1.1% of the country's population and by then, were ranked Vietnam's 4th largest ethnic group. [301]
Created Date: 8/30/2012 4:52:52 PM
Three plastic toothbrushes. A toothbrush is a special type of brush used to clean the teeth, gums, and tongue.It consists of a head of tightly clustered bristles, atop of which toothpaste can be applied, mounted on a handle which facilitates the cleaning of hard-to-reach areas of the mouth.
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An electric toothbrush, motorized toothbrush, or battery-powered toothbrush is a toothbrush that makes rapid automatic bristle motions, either back-and-forth oscillation or rotation-oscillation (where the brush head alternates clockwise and counterclockwise rotation), in order to clean teeth.