INBDE (Integrated National Board Dental Examination) Practice Exam

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Which tooth has the most variable morphology?

  1. mandibular first molar

  2. mandibular second molar

  3. mandibular third molar

  4. maxillary first molar

The correct answer is: mandibular third molar

The mandibular third molar, also known as the wisdom tooth, has the most variable morphology because it is the last tooth to erupt in the mouth and its shape and size can differ greatly from person to person. This is due to genetics and environmental factors such as diet and space available in the jaw. The mandibular first and second molars also have variable morphology, but not as much as the third molar. The maxillary first molar is not as variable because it is located in the upper jaw, which typically has more space for the teeth to erupt.

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