universal curets
-70 to 80 degrees
- must be tilted slightly towards the tooth
- face 90 degrees
sickle scalers
-70 to 80 degrees
- must be tilted slightly towards the tooth
- face 90 degrees
area specific curets
-already at 70 degrees so must keep lower shank parallel to tooth
ideal angulation for calc removal is
60-80
face to tooth surface angulation for calc removal is
45-90
ideal face to tooth insertion angulation for sub calc removal is
0-40