Shaef Trading Systems

Precident Diamond RA/ Contra



“Diamond RA/Contra” refers to a type of dental bur used in dentistry. “RA/Contra” refers to the type of shank of the dental bur. Contra-angle dental burs have a diameter of 2.35 mm and commonly you’ll see a notch at the non-active end. They are also known as RA burs (Right Angle), CA burs, or simply low-speed burs. These burs are used in rotary dental instruments such as turbines, contra-angles, and handpieces.


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