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Questions and Answers
What does Class I of furcation involvement indicate?
What does Class I of furcation involvement indicate?
- Probe tip can partially enter the furcation
- Concavity can be felt with probe but cannot enter the furcation area (correct)
- Probe passes completely through the furcation
- Furcation is visible clinically due to tissue recession
What characteristic is associated with Class II furcation involvement?
What characteristic is associated with Class II furcation involvement?
- Probe passes completely through the furcation
- Probe tip can partially enter the furcation (correct)
- Furcation is visible clinically due to tissue recession
- Concavity can be felt with probe but cannot enter the furcation area
What occurs in Class III furcation involvement?
What occurs in Class III furcation involvement?
Probe passes completely through the furcation.
What is the difference between Class III and Class IV furcation involvement?
What is the difference between Class III and Class IV furcation involvement?
What is commonly used to document furcation involvement on a periodontal chart?
What is commonly used to document furcation involvement on a periodontal chart?
What symbol represents Class I furcation involvement?
What symbol represents Class I furcation involvement?
What symbol is used for Class II furcation involvement?
What symbol is used for Class II furcation involvement?
What does the filled in triangle represent?
What does the filled in triangle represent?
What symbol is identified with Class IV furcation involvement?
What symbol is identified with Class IV furcation involvement?
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Study Notes
Classifications of Furcation Involvement
- Class I: Concavity detected by probe, but the probe does not enter the furcation.
- Class II: Probe tip can partially enter the furcation, but cannot pass completely through.
- Class III: Involvement where the probe passes completely through the furcation, typically noted in mandibular molars.
- Class IV: Similar to Class III, but the furcation is clinically visible due to tissue recession.
Symbols for Documentation
- Symbols are used to indicate furcation involvement on periodontal charts, often marked in red for emphasis.
- Class I is represented by an upside-down V.
- Class II is denoted by a triangle shape.
- Class III is illustrated using a filled-in triangle.
- Class IV is represented by a filled-in diamond shape.
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