Maxillary First Molars
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Questions and Answers

What is unique about the occlusal surface of the primary maxillary first molar?

  • The distolingual cusp is the largest and sharpest
  • The mesiolingual cusp is poorly defined and small
  • It consists of prominent cusps giving the tooth a square look (correct)
  • It has a smooth buccal surface with well-defined developmental grooves
  • What can be said about the roots of the primary maxillary first molar?

  • They are long, slender, and widely spread (correct)
  • They consist of prominent cusps
  • They are smooth with little evidence of developmental grooves
  • They are short and conical
  • Which cusp of the primary maxillary first molar is poorly defined, small, and rounded?

  • Mesiolingual cusp
  • Mesiobuccal cusp
  • Distobuccal cusp
  • Distolingual cusp (correct)
  • Study Notes

    Primary Maxillary First Molar

    • The occlusal surface of the primary maxillary first molar is unique in that it has a distinctive "Y" shape.
    • The roots of the primary maxillary first molar are stout, widely separated, and curved distally.
    • The distobuccal cusp of the primary maxillary first molar is poorly defined, small, and rounded.

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    Description

    Test your knowledge about the unique characteristics of primary maxillary first molars. Learn about their eruption time, occlusal surface features, and root structure.

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