Important fact regarding Periodontal Instruments & Scaling: Gracey curettes = area-specific. Universal curettes = all areas. Gracey 7/8 = buccal/lingual of posteriors. Gracey 11/12 = mesial. Gracey 13/14 = distal. Ultrasonic > hand scaling for deep pockets.

This fact is from Periodontal Instruments & Scaling in Periodontology. It is a commonly tested concept in NEET MDS examinations. Understanding this fact is crucial for answering MCQs correctly.

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More Facts from Periodontal Instruments & Scaling

Gracey curettes = area-specific = single cutting edge

Universal curettes = all areas = two cutting edges

Gracey 7/8 = buccal lingual posteriors

Gracey 11/12 = mesial posteriors

Gracey 13/14 = distal posteriors

Ultrasonic scaling better than hand for deep pockets

Piezoelectric vs magnetostrictive ultrasonic devices.