The results showed that after one year of daily soft - contact lens
wear, there were fewer microbial keratitis cases than after LASIK,
approximately two fewer cases
per 10,000.
Normal side - to - side grinding movements of the jaw during mastication keep the teeth
worn down to a proper length.1, 5 Teeth
wear down
approximately 2 to 2.4 mm
per week, depending on the rate of tooth growth and attrition.1, 5