| | Dental Health | Teeth Whitening How often should you sterilize your slow speed handpiece used for polishing teeth? Sterilization is only done when required. Sterilization should only be used if the handpiece has been contaminated. Teeth Whitening - Related Articles What Is Gamma Oryzanol? How are workers treated in sweatshops? How to Select a Flu Medication How to Get Rid of Urine Odor Breathing Treatment Tools How to Find Patient Advocates What Is the Porosity of Latex Exam Gloves?