Check the listing for details. Easyinsmile Dental IPR Orthodontic Stripping Interproximal Reduction Enamel Saw. Condition: New. Listed at 17.57 USD. Easyinsmile IPR Plus strip system is an innovative interproximal reduction system that makes interproximal enamel stripping safe and accurate without creating sharp corners or subgingival ledges.The design of imported flexible diamond surface designed for use with Invisalign® and other invisalign orthodontic treatments.Cause of the Curved surface of the tooth,The bendable design can gradually expand the collar surface according to different thickness for effective dressing, avoiding the formation of steps after de glaze teeth and the influence of closure effect.Meanwhile the Saw bow design conforms to ergonomics and mechanics, improving work efficiency .These flexible diamond strips curve and conform along the natural contours of the teeth to maximize patient comfort and safety.