Medium, for bicuspids and molars.Shank and blade are at a slight Contra-Angle for use under normal conditions for anteriors as well.
7/8
Medium Contra-Angle, for bicuspid and molars, buccal and lingual surfaces.
9/10
Long Contra-Angle, for molars. Shank and blade are at a more acute angle for less accessible root surfaces.
11/12
For mesiolingual locations and mesiobuccal.Designed to work from the lingual on the mesial surfaces of bicuspids and molars.
13/14
For distoposterior locations.Designed to reach distal surfaces of all posterior teeth with minimum cheek tissue distention.In such inaccessible areas, each tip may be used to crosscheck the work of its opposite by varying slightly to degree of blade surface placement.
; "Periodontal Gracey Curettes Set of 7 , Dental Instruments")
