Question 114 · LDEK · Tooth discoloration and bleaching
Which of the following is the most common side effect of the intracoronal bleaching of endodontically treated tooth?
- A. external root apex resorption.
- B. external cervical root resorption.
- C. necrosis of the oral mucosa.
- D. breakage of the enamel.
- E. changes in the structure of the dentine and the cement.
Hint
Think about where peroxide can most easily escape from the tooth towards the periodontium when the cervical seal is inadequate.
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