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Answer: “You can get Philips Zoom QuickPro ($550) done in about an hour. It’s a two-step process where a layer of hydrogen peroxide is applied to the teeth, then a sealant is applied to lock the peroxide in place and start the whitening,” explains Dr Michael Cai, principal dentist at Pitt Street Dental Centre in Sydney. “While every person is different, you can ordinarily expect your teeth to appear four shades whiter. And the good news is, most patients experience little to no sensitivity.”
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