CBCT reduces uncertainty in planning by revealing what?

CBCT reduces uncertainty in planning by revealing what?

• A. It has no advantage over periapical radiographs
• B. Missed canals and residual filling
• C. It replaces all clinical examination
• D. It cannot show accessory canals

Answer: (B)

Cone-beam CT gives a true 3D view of the tooth’s internal anatomy, so you can inspect the pulp space from multiple angles. This makes it possible to detect canals that were missed during initial treatment and to see any residual filling material left behind. By knowing exactly where all canals lie and what material remains, you can plan retreatment or further procedures with much more certainty than you could from 2D radiographs alone. The image quality helps reveal complex or curved canal systems, accessory canals, and uninstrumented areas that would not be obvious on traditional X-rays. That direct visualization is why it reduces uncertainty in planning. Choices that suggest no advantage over periapical radiographs, that it replaces clinical examination, or that it cannot show accessory canals don’t fit because CBCT adds 3D information, complements clinical assessment, and can reveal many auxiliary canals depending on resolution and settings.

Cone-beam CT gives a true 3D view of the tooth’s internal anatomy, so you can inspect the pulp space from multiple angles. This makes it possible to detect canals that were missed during initial treatment and to see any residual filling material left behind. By knowing exactly where all canals lie and what material remains, you can plan retreatment or further procedures with much more certainty than you could from 2D radiographs alone. The image quality helps reveal complex or curved canal systems, accessory canals, and uninstrumented areas that would not be obvious on traditional X-rays. That direct visualization is why it reduces uncertainty in planning.

Choices that suggest no advantage over periapical radiographs, that it replaces clinical examination, or that it cannot show accessory canals don’t fit because CBCT adds 3D information, complements clinical assessment, and can reveal many auxiliary canals depending on resolution and settings.