Dentin dysplasia is a genetic disorder of teeth, commonly exhibiting an autosomal dominant inheritance. There are two types. Type I is the radicular type, and type II is the coronal type. In the radicular type, the roots of teeth are shorter than normal and the pulp chamber may be nearly gone. The pulp chamber is sometimes described as having a "crescent shaped" appearance. In the coronal type, the pulps are enlarged and are described as having a "thistle tube" appearance. Types of teeth Molars are used for grinding up foods Carnassials are used for slicing food. ... It has been suggested that this article or section be merged into Dominance relationship. ... The dental pulp is the part in the center of a tooth made up of living soft tissue and cells called odontoblasts and others. ...

References

• Kahn, Michael A. Basic Oral and Maxillofacial Pathology. Volume 1. 2001.