TF(Teeth Friend) Diamond Bur made of multi-plating diamond particle and adopted advanced production technology with unique production process . Use the high quality and multi-plating diamond particle , even some burs in the first level surface losing , there will be new and sharp burs to substitute and work continue . Our goal is making the best quality diamond bur , higher grinding efficiency , longer life time . Precision production technology , excellent concentricity , make the perfect match with Handpiece .