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James Dyson has a $15 billion net worth, a knighthood, a winery and a serious grudge against his dental hygienist. \u201cShe always gets out the pickaxe and starts hacking away bits of hardened plaque,\u201d he told the Wall Street Journal<\/a>. But after six years of tinkering, he thinks he\u2019s built the fix.<\/p>\n The Dyson CameraJet<\/a>, unveiled this week, is the company\u2019s first oral care product. A tiny camera on the brush head scans teeth 28 times a second, spotting gaps and firing a burst of mouthrinse to floss them on the spot. It\u2019s a strange pivot for a company built on vacuums and hair dryers. This time, Dyson and his engineers had to figure out how to control liquid instead.<\/p>\n The toothbrush costs $499, needs a special nonfoaming Dyson toothpaste, and hits Sephora, Best Buy and Amazon in September.<\/p>\n Dyson didn\u2019t plan much for his latest invention. \u201cI had no idea of the market size, and I\u2019ve got no idea how many we\u2019ll sell,\u201d he said. \u201cWe don\u2019t really structure things on a business plan.\u201d That\u2019s roughly how he\u2019s operated since his 30s, when he went into debt cycling through 5,127 prototypes to build his first bagless vacuum. <\/p>\n<\/p><\/div>\n James Dyson has a $15 billion net worth, a knighthood, a winery and a serious grudge against his dental hygienist. \u201cShe always gets out the pickaxe and starts hacking away bits of hardened plaque,\u201d he told the Wall Street Journal<\/a>. But after six years of tinkering, he thinks he\u2019s built the fix.<\/p>\n