TikTok is full of health tips and tricks, but not of all of them are useful – especially when it comes to your teeth. A dentist has warned against six dangerous teeth trends that could actually do far more harm than good. Dentist warns against viral teeth trendsDr. Smita Mehra has provided insight into the dangers of TikTok’s top dental trends and explained why they are best avoided. 1. At-home tooth filingFirst up, a dangerous trend has arisen which sees people filing down their teeth at home with nail files to straighten and shape them. TEETH TIPS: 3 times you should ‘never’ brush your teeth…