Which surfaces of a tooth are included in the six-point periodontal probing (total sites per tooth)?

Correct answer: D. Mesiobuccal (MB), Buccal, Distobuccal (DB), Mesiolingual (ML), Lingual, Distolingual (DL)

• A. Two-point probing (buccal/lingual only) is insufficient for clinical charting.
• B. Four-point probing misses the mid-buccal and mid-lingual readings.
• C. Two-point probing (mesial/distal only) is insufficient.
• D. Correct. Standard six-point (six measurements per tooth) periodontal probing records readings at: Mesiobuccal (MB), Mid-Buccal (B), Distobuccal (DB), Mesiolingual (ML), Mid-Lingual (L), and Distolingual (DL) surfaces. These 6 readings capture the full circumference of the tooth's periodontal status.