Restorative & Materials · single question
Tooth #8 has a fracture through enamel and dentin (no pulp exposure) and is sensitive to cold. Using the Ellis classification, this is a:
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Correct answer: B. Class II
- A. Ellis Class I involves enamel only.
- B. Correct. Ellis Class II involves enamel and dentin without pulp exposure—dentin involvement explains the cold sensitivity.
- C. Ellis Class III involves a pulp exposure.
- D. Ellis Class IV refers to a non-vital tooth from trauma.
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