The inflammation of a periradicular lesion must spread to which bone to be detectable during a radiographic exam?
  1. Cortical bone
  2. Lingual root
  3. Buccal
  4. Pulp canal
Explanation
Answer: A - The inflammation of a periradicular lesion must spread to the cortical bone to be detectable during a radiographic exam. These lesions show loss of lamina dura apically. If radiolucency is teamed with vital pulp, the lesion is not a periradicular lesion. In this case, another pathosis should be considered.
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