Before drawing any conclusion on the signs of bad dental bonding, make sure you know what it actually is. It is a cosmetic method that includes the application of a tooth-coloured resin to your teeth. The resin will be shaped and polished to match your surrounding teeth leading to natural restoration. https://www.americasmallbiz.com/articles/6-examples-of-bad-dental-bonding-and-what-you-should-do-next