Question 492 · LDEK · Tooth discoloration and bleaching
Which of the below mentioned steps of bleaching non-vital teeth is incorrect?
- A. cleaning the surface of bleached and surrounding teeth.
- B. determining the colour before bleaching and preforming the photographs of teeth.
- C. rubber dam placement.
- D. performing the chamber access and removing the root canal filling to the depth of 5 to 10 mm.
- E. securing the gutta-percha in the root canal with flow material.
Hint
Recall how far below the cementoenamel junction the root filling is removed before placing the cervical barrier in walking bleach.
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