A tooth 2.4 that has had root canal treatment and a post-retained crown has a single narrow 9 mm probing depth on the buccal surface. Elsewhere the probing depths are 2–3 mm. The radiograph shows a 'J-shaped' radiolucency along the root. What is the most likely diagnosis?
- Correct answer
Vertical root fracture
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Primary periodontal disease
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Missed second canal
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Internal root resorption
This question is one of 15 in AFK practice: Endodontics. Test yourself on all of them.
Practice quiz FlashcardsExplanations
An isolated narrow, deep pocket next to a post-retained endodontically treated tooth, along with a J-shaped or 'halo' radiolucency, is typical of a vertical root fracture. Periodontal disease generally produces wider pockets around several teeth.
Source: Cohen's Pathways of the Pulp — oneguy
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