We all take pride in accomplishing tasks ourselves, but there are some things in life that are best left in the hands of the professionals. Nowhere is this truer than in dentistry. That’s because while some treatments may look easy enough, they can leave you with permanent and irreversible damage to your teeth and gums – or leave you spending all your savings repairing the damage. While some DIY treatments are harmless, some are absolutely a bad idea. Here’s a list of five of the worst treatments to try at home.