.An existing restoration with secondary caries was the main cause of the fracture. Chewing an ice cube was the triggering factor. Chewing ice is a big no no, as it can get very addictive and possibly damage your teeth. So why put yourself at risk? By: https://www.instagram.com/reel/CdMNUAEjq-4/?igshid=YmMyMTA2M2Y=