Question 147 · LDEK · Endodontics
Which of the following factors may have a negative effect on the prognosis of endodontic treatment?
- A. presence of facultative anaerobes such as Enterococcus faecalis in the root canal.
- B. presence of fungi in the endodontic biofilm.
- C. presence of black pigmented bacteria such as Prevotella nigrescens in the root canal.
- D. presence of an extensive periodontal lesion.
- E. all of the above.
Hint
Consider both resistant microorganisms in the canal and periodontal findings that may allow reinfection or point to a root fracture.
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