Butt joint in cementoenamel junctions seen is _________% of cases?
Correct answer: B. 30%
- A. 10%
- B. 30%
- C. 60%
- D. 90%
Explanation
At the cemento-enamel junction, a butt-joint relationship is found in approximately 30% of teeth. The other common patterns are cementum overlap and a gap exposing dentin.
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