Pit and Fissure Caries Lesions

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10 Questions

What is the classic sign of pit and fissure caries?

A sticky sensation felt on removal of the explorer

Why is tactile examination with a sharp explorer considered unreliable for detecting pit and fissure caries?

Produces false-positive and false-negative diagnosis

What non-destructive method has been found to be reliable for detecting pit and fissure caries?

Fiberoptic transillumination

What may be helpful in visualizing pit and fissure lesions?

Fiberoptic transillumination

What is the classic but unreliable sign of pit and fissure caries?

Sticky sensation felt on removal of the explorer

Why is it difficult to detect early pit and fissure caries lesions on a radiograph?

The lesions are too small to be detected radiographically

Why is tactile examination with a sharp explorer considered unreliable for detecting pit and fissure caries?

It causes cavitation in demineralized pit and fissure, preventing remineralization.

What non-destructive method has been found to be reliable for detecting pit and fissure caries?

Visual observation with magnification of a clean dry tooth

What may be helpful in visualizing pit and fissure lesions?

Air abrasion

Why is it difficult to detect early pit and fissure caries lesions on a radiograph?

The lesions must be extensive to be detected radiographically.

Study Notes

Pit and Fissure Caries

  • The classic sign of pit and fissure caries is a "catch" or "stick" of a sharp explorer.
  • Tactile examination with a sharp explorer is considered unreliable for detecting pit and fissure caries because it can cause damage to the tooth and may not detect early stages of caries.
  • Laser fluorescence (LF) has been found to be a reliable non-destructive method for detecting pit and fissure caries.
  • Dyes or disclosing agents may be helpful in visualizing pit and fissure lesions.
  • The classic but unreliable sign of pit and fissure caries is a "catch" or "stick" of a sharp explorer, which is not a reliable indicator of caries.
  • It is difficult to detect early pit and fissure caries lesions on a radiograph because the lesion may not be radiopaque enough to be visible or may be hidden by the surrounding anatomy.

Test your knowledge about pit and fissure caries lesions, their detection, and the reliability of different diagnostic methods. Explore the challenges in early detection and learn about the classic signs associated with this type of caries.

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