Explaining Everything on Instagram: "Chewing ice cubes can damage your teeth over time because ice is hard enough to cause tiny cracks in tooth enamel, which weakens teeth and increases the risk of chips, fractures, and sensitivity. Repeated ice chewing also puts strain on dental work like fillings and crowns, making them more likely to break or loosen. In some cases, a strong urge to chew ice can be linked to iron deficiency (a condition called pagophagia), meaning it may be a sign your body is