OSCE: Dental instruments Questions & Answers 100% Correct.

What are gracey curettes used for? - ANSWERUsed for subgingival calculus removal and root planning How many working sides do gracey curettes have? - ANSWER1 What are the different kind of strokes you can use on the working edge? - ANSWER1. Oblique 2. Horizontal 3. Vertical What does scaling require? - ANSWER1. Adaptation - making sure the working end fits the morphology of the tooth 2. Angulation - Making sure the shank of the instrument is parallel with the axis of the tooth 3. Activation What colour are the 1/2 and 3/4 Gracey curetted? What surface are they used for? - ANSWERGrey All anterior teeth What colour is the 5-6 Gracey curette? What surface is it used for? - ANSWERYellow Anterior teeth and premolars What colour is the 7/8 Gracey curette? What surface is it used for? - ANSWERGreen The lingual/palatal and buccal surface of all posterior teeth What colour is the 9/10 Gracey curette? What surface is it used for? - ANSWERRed The lingual/palatal and buccal surface of all posterior teeth What colour is the 11/12 Gracey curette? What surface is it used for? - ANSWEROrange mesial surface of posterior teeth What colour is the 13/14 Gracey curette? What surface is it used for? - ANSWERLight blue Distal surface of posterior teeth What colour is the 15/16 Gracey curette? What surface is it used for? - ANSWERBrown Mesial surface of posterior teeth