INBDE Practice Exam 2026 – Complete Study Guide

Dentin dysplasia is a rare genetic disorder that affects the formation of dentin, leading to abnormal tooth development. There are two types of dentin dysplasia: Type 1 and Type 2.

Type 1 dentin dysplasia is associated with the presence of primary and permanent teeth that have a normal appearance but with obliterated pulps and short roots. This characteristic of obliterated pulps and short roots is a key feature of Type 1 dentin dysplasia.

On the other hand, Type 2 dentin dysplasia is characterized by primary teeth with amber discoloration and pulpal obliteration. It affects both primary and permanent dentition.

Therefore, the correct answer is Type 1 because it specifically mentions the association with obliterated pulps and short roots.