It is no surprise that the majority of toothbrushes sold today are manufactured in China. What may surprise one is that the first toothbrush was invented and made in China during the Tang Dynasty (619-907).
Posted · Author Dr. Bryan's Tooth Station
Despite the rugged nature of tooth enamel and its ability to survive incredible abuse over a very long period of time, it will dissolve away with even mild acid attacks over a period of time, thus we have tooth decay.
Posted · Author Dr. Bryan's Tooth Station