Shiramizu Trading Co., Ltd. URM Perio Soft Tip PH2L PH2R PB2L PB2R PA2L - 2 each. ・Purpose: Removal of plaque attached to prosthetics and implants ・Features: Plastic tips are gentle on implants and prosthetics. Ideal for areas with strong curvature in molars. Unused, but the case has some stains. I am unable to answer detailed questions about the differences between each product. The items will be shipped with only waterproof packaging because they are in a case. Dentist Dentist Dental Hygienist Periodontal disease Implants Maintenance Periodontal treatment Ultrasonic scaler Scaling