National Dental Examining Board of Canada (NDEB) Practice Exam

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Prepare for the National Dental Examining Board of Canada (NDEB) Test. Study with flashcards and multiple choice questions, each question offers hints and detailed explanations. Achieve success in your exam!

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In trimming stainless steel crowns, special attention must be paid to the greater length necessary in the region of the MB bulge in the primary which tooth?

Mandibular First Molar
Maxillary First Molar
Mandibular Second Molar
Maxillary Second Molar

The correct answer is: Mandibular First Molar

When trimming stainless steel crowns, the dentist must be aware that the MB bulge on primary mandibular first molars often requires longer crowns, making option A the correct answer. Option B, maxillary first molars, typically do not have a significant MB bulge that would require extra length in the crown. Option C, mandibular second molars, may have a slight bulge, but not to the same extent as the first molars. Option D, maxillary second molars, do not have a MB bulge and therefore would not require additional length in the crown. Overall, option A is the most correct answer because of the specific mention of the primary mandibular first molar in the question.