NBDE Review Questions: Quiz 21 August 20, 2015 by Hassan Shah Leave a Comment In a comparison of maxillary, primary and permanent second molars, which of the following differences are noted? A. Enamel rods at the cervix slope gingivally in the primary molar. B. Enamel rods at the cervix slope occlusally in the permanent molar. C. Buccal cervical ridges are less pronounced in the primary molar. D. Roots of primary teeth are longer and more slender in comparison with crown size than those of permanent teeth. Δ
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