The signs of aging are many and difficult to miss: a few gray hairs, a sore knee (or two), a digestive system that is, um, more delicate than years past, reading glasses in every room of the house, and the list goes on and on. One sign, however, that is often hard to notice are crown crazes. These are hairline cracks in tooth enamel. Although they may not need immediate attention, be glad you have Reynoldsburg dentist Dr. Walt Mick to monitor your crown crazes for when a dental crown may be required.