INBDE (Integrated National Board Dental Examination) Practice Exam

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What type of dentin dysplasia is associated with thistle shaped pulps?

  1. Type 1

  2. Type 2

  3. Type 3

  4. Type 4

The correct answer is: Type 2

Dentin dysplasia is a rare genetic disorder that affects the formation and structure of dentin, the hard tissue beneath the enamel of your teeth. Type 1 dentin dysplasia is marked by the presence of abnormal, translucent dentin in both primary and permanent teeth. Type 3 is characterized by the absence or underdevelopment of roots in permanent teeth. Type 4 is associated with severe enamel loss. Therefore, options A (Type 1), C (Type 3), and D (Type 4) are not the correct answer, as they do not have a direct association with thistle shaped pulps. Option B (Type 2) is the correct answer because it is specifically associated with abnormal pulp shape, which is seen in the form of thistle shaped pulps.