Podcast
Questions and Answers
What does a negative number indicate when determining the level of the free gingival margin?
What does a negative number indicate when determining the level of the free gingival margin?
What is Clinical Attachment Level (CAL) used to determine?
What is Clinical Attachment Level (CAL) used to determine?
Which of the following best characterizes inflammation in the case of gingivitis?
Which of the following best characterizes inflammation in the case of gingivitis?
When is the gingival margin considered to be in a normal state?
When is the gingival margin considered to be in a normal state?
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What critical element is measured from the CEJ to help distinguish between gingivitis and periodontitis?
What critical element is measured from the CEJ to help distinguish between gingivitis and periodontitis?
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What is defined as the distance from the gingival margin to the bottom of the pocket?
What is defined as the distance from the gingival margin to the bottom of the pocket?
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What is the standardized diameter of a periodontal probe tip used for probing depth measurements?
What is the standardized diameter of a periodontal probe tip used for probing depth measurements?
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Which component is NOT part of the six-point pocket chart for pre-treatment periodontal assessment?
Which component is NOT part of the six-point pocket chart for pre-treatment periodontal assessment?
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What is a common limitation of periodontal probing that practitioners should be aware of?
What is a common limitation of periodontal probing that practitioners should be aware of?
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What does the Clinical Attachment Level indicate in periodontal assessments?
What does the Clinical Attachment Level indicate in periodontal assessments?
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In the six-point pocket chart, how is the deepest reading determined?
In the six-point pocket chart, how is the deepest reading determined?
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Why is the ergonomics of gripping the periodontal probe important?
Why is the ergonomics of gripping the periodontal probe important?
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Which aspect is NOT essential when measuring the free gingival margin during a periodontal assessment?
Which aspect is NOT essential when measuring the free gingival margin during a periodontal assessment?
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Study Notes
Probing Depth
- The probing depth is the distance from the gingival margin to the bottom of the pocket.
- Measuring is done with a graduated periodontal probe with a standardized tip diameter (0.4mm - 0.5mm).
- The probe diameter is important because it affects the accuracy of the measurement.
6 Point Pocket Chart (Pre-treatment Periodontal Assessment)
- The six points record probing depth measurements around a tooth:
- Distobuccal line angle to midline of the distal surface
- Buccal surface
- Mesiobuccal line angle to mesial surface
- Distolingual line angle to distal surface
- Lingual surface
- Mesiolingual angle to midline of mesial surface
Free Gingival Margin
- The free gingival margin is the edge of the gingiva that surrounds the tooth.
- The level of the free gingival margin can be:
- Natural position (0): The gingival margin is slightly coronal to the CEJ.
- Negative number (-’ve): The gingival margin significantly covers the CEJ.
- Positive number (+’ve): The gingival margin is apical to the CEJ.
- Recession is charted as a positive number.
- The distance between the CEJ and the gingival margin is measured to determine if the gingival margin is coronal or apical to the CEJ.
Clinical Attachment Levels (CAL)
- CAL is a measure of true periodontal support around a tooth.
- It provides an estimate of true periodontal stability and loss of support for a tooth.
- CAL is measured from the CEJ.
- CAL is critical in distinguishing between gingivitis and periodontitis:
- Gingivitis: Inflammation with no clinical attachment loss.
- Periodontitis: Inflammation with clinical attachment loss.
Calculating CAL
- To calculate CAL:
- Probing depth
- Level of the free gingival margin (0, + or -)
- (+) if the free gingival margin is apical to the CEJ.
- **(-) **if the gingival margin is coronal to the CEJ.
- Combine these two values to get the CAL measurement.
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Description
Test your knowledge on probing depth, pocket charts, and free gingival margin in periodontal assessment. This quiz covers fundamental concepts essential for understanding periodontal health evaluations.
