It may be natural and refreshing, but chomping on ice cubes (which you may be doing because you have an iron deficiency) can cause nasty chips and cracks in the teeth, as well as regular toothaches. Solution? Address the underlying issue. Chew on sugar-free gum when you get cravings.
Chewing on Stationery
Chewing on pens and pencils (which we tend to do when we are distracted) is another habit known to cause chipping and cracking of teeth. Again, if you must chew on something, let it be sugar-free gum. It’s easier on the teeth and stimulates saliva production, protecting tooth enamel.