The face of Universal Curettes are oriented perpendicular to the long axis of the terminal shank, allowing for both edges of the tip to be utilized. Universal Curettes have a wider range of applications and can reduce the amount of instrument switching needed to effectively clean subgingival deposits.
Area Specific Curettes have a face that is oriented 70° in relation to the terminal shank, and allow for the proper application of only one edge. Wider application is reduced, but the tips are more ‘specific’ to each indicated application.
Barnhart Universal Curettes
McCall Universal Curettes