Advanced Instrumentation for the General Practice Dental Hygienist

Course Number: 569

Extra Rigid Gracey Curettes

Rigid Gracey-type: moderate calculus, root debridement, surgery; same angulation/blade width as standard but wider, more rigid shank.

Extra Rigid Gracey-type: heavy calculus, gross scaling/debridement, surgery; unique shank angles/bends for access (Figures 20-21).

Standard Gracey-types suit light-moderate scaling and root debridement. When power scaling is limited and deposits are tenacious, rigid and extra-rigid designs are useful.

Standard, Rigid, Extra Ridge Graceys

Figure 20. Standard, Rigid, Extra Rigid.

Extra Ridge Gracey size

Figure 21. 5/6, 7/8, 11/12, 13/14.