Which PSR code corresponds to PD 3.5-5.5 mm with black band partly visible?

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Prepare for the FPC 2 Exam 2 on Periodontal Screening and Recording with multiple choice questions and detailed explanations. Enhance your dental knowledge and boost your chances of success!

Multiple Choice

Which PSR code corresponds to PD 3.5-5.5 mm with black band partly visible?

Explanation:
The PSR coding is based on how deep the pockets are and how the black band on the PSR probe appears. The black band marks the 3.5 to 5.5 mm range. When a sextant shows a pocket depth in that range and the band is only partly visible, that matches the code assigned for moderate pockets. So the pocket depth of 3.5–5.5 mm with the band partly visible corresponds to the code three. If the depth were shallower (≤3.5 mm), you’d see a different code, and if it were deeper than 5.5 mm, the band would be fully visible, corresponding to code four.

The PSR coding is based on how deep the pockets are and how the black band on the PSR probe appears. The black band marks the 3.5 to 5.5 mm range. When a sextant shows a pocket depth in that range and the band is only partly visible, that matches the code assigned for moderate pockets. So the pocket depth of 3.5–5.5 mm with the band partly visible corresponds to the code three. If the depth were shallower (≤3.5 mm), you’d see a different code, and if it were deeper than 5.5 mm, the band would be fully visible, corresponding to code four.

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