The Double Gracey™ has a rounded back and two cutting edges – combining two instruments in one. The cutting edge of the Double Gracey™ is raised to form gently sloping edges at an angle of approximately 110° measured from the lower shank.
The angles of the facial surface and cutting edge allow the user to use the Double Gracey™ in the same way as conventional Gracey curettes with the working end parallel to the tooth axis.
There are four Double Gracey™ instruments in total: Anterior and Posterior as well as the Mini Anterior and Posterior versions. The Double Gracey™ Anterior combines the Gracey 1-2 curette for all anterior surfaces with the Gracey 7-8 for all buccal and oral surfaces of premolars and molars. The Double Gracey™ Posterior combines the Gracey 15-16 mesial with the Gracey 13-14 distal curette. This enables you to switch directly from one surface or tooth to the next, without changing instruments.