Question 189 · LDEK · Root canal obturation
The root canal is defined as underfilled if the filling material is:
- A. more than 0.5 mm short of the radiographic apex.
- B. more than 1 mm short of the radiographic apex.
- C. more than 1.5 mm short of the radiographic apex.
- D. more than 2 mm short of the radiographic apex.
- E. more than 3 mm short of the radiographic apex.
Hint
An acceptable root filling ends within a set distance of the radiographic apex; anything shorter than that limit is underfilled.
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