When the gingival margin is at the same level as the CEJ, CAL is equal to:

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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

When the gingival margin is at the same level as the CEJ, CAL is equal to:

Explanation:
The main idea is how CAL and PD relate to the CEJ and the gingival margin. CAL is the distance from the CEJ to the base of the pocket, while PD is from the gingival margin to the base of the pocket. If the gingival margin sits right at the CEJ, the distance from the CEJ to the gingival margin is zero. That makes CAL simply equal to the PD, since CAL = (CEJ to GM) + PD and the first term is zero. So, when the gingival margin is level with the CEJ, the clinical attachment level equals the probing depth.

The main idea is how CAL and PD relate to the CEJ and the gingival margin. CAL is the distance from the CEJ to the base of the pocket, while PD is from the gingival margin to the base of the pocket. If the gingival margin sits right at the CEJ, the distance from the CEJ to the gingival margin is zero. That makes CAL simply equal to the PD, since CAL = (CEJ to GM) + PD and the first term is zero. So, when the gingival margin is level with the CEJ, the clinical attachment level equals the probing depth.

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