Benefits over plain radiography?
No superimposition/magnification/distortion
Images can be viewed from any angle/3D
Disadvantages over plain radiography?
Increased radiation dose to pt
Less sharp image
Expensive
More complex/more training
CBCT advantages over CT
Lower radiation dose
Sharper image
Cheaper
CT benefits over CBCT
Differentiates soft tissues better
Cleaner images
Uses of CBCT
Proximity of mandibular 3rd molar to IAN canal
Bone dimensions for implant placement
Complex root canal morphology
Localising pathology