Question 35 · LDEK · Root canal obturation
What is the maximum acceptable distance between the tip of the cone and the preparation range visible on the X-ray taken before the root canal obturation during gutta-percha fitting with the use of the lateral condensation technique?
- A. 0.5-1 mm.
- B. 2-2.5 mm.
- C. 3-3.5 mm.
- D. 4-4.5 mm.
- E. 5-5.5 mm.
Hint
The master cone must reach the working length or very nearly so, with tug-back on removal.
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