Craze lines are small vertical cracks in the enamel of your teeth. They aren’t painful, but they can be unsightly.‌ Craze lines aren’t usually a health problem. But what causes them might be. Dentin.

Craze lines are hairline cracks in teeth. They don’t often turn into deep cracks, and are considered cosmetic in nature. But they can lead to cavities, if you don’t have proper dental hygiene. Craze ...

The shape, length and width of maxillary anterior teeth are open to interpretation, including mathematical, physiological and psychological. Tooth alignment, in three dimensions, creates a pleasing ...

Invention of the gear-hobbing process about 150 years ago revolutionized not only gear fabrication, but also gear design. Basically, a hob or shaper cutter traverses the gear blank to generate teeth.