Dental The ideal tooth – blade working angulation of a Blade of Gracey curette is angled from lower shank approximately at A 10 - 20 degree B 40 - 50 degree C 60 - 70 degree D 80 - 90 degree 💡 Explanation The ideal tooth - blade working angulation of a Blade of Gracey curette is angled from lower shank approximately at ✓ Correct Answer: C. 60 - 70 degree