Zone 5 corresponds to which surface?

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Prepare for the FPC 2 Exam 2 - understand Periodontal Screening and Recording (PSR) and improve your probing skills through quizzes with detailed explanations and hints. Ensure success in your exam!

Multiple Choice

Zone 5 corresponds to which surface?

Explanation:
Zone numbering in this context maps to a specific tooth surface, and the fifth zone is associated with the lingual side, the surface facing the tongue. That’s why the best choice is the lingual surface (L). The other options represent different surfaces or subregions there—facial (F) is the outer cheek/lip side, distofacial (DF) is the distal–facial area, and mesiolingual (ML) is a particular portion of the lingual side. Since zone 5 refers to the overall lingual surface, L is the correct match.

Zone numbering in this context maps to a specific tooth surface, and the fifth zone is associated with the lingual side, the surface facing the tongue. That’s why the best choice is the lingual surface (L). The other options represent different surfaces or subregions there—facial (F) is the outer cheek/lip side, distofacial (DF) is the distal–facial area, and mesiolingual (ML) is a particular portion of the lingual side. Since zone 5 refers to the overall lingual surface, L is the correct match.

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