Classification Of Taurodontism

CYNODONT HYPODONT MESODONT HYPERDONT PYRAMIDAL

CYNODONT HYPODONT MESODONT HYPERDONT PYRAMIDAL

< 1.10 1.10 - 1.29 1.30 - 2.00 > 2.00

CB:R

Fig. 1. Taurodontism ranges in severity, becoming increasingly severe with increasing delay of invagination of the epithelial root sheath. The degree of taurodontism can be quantified based on the crown-body (CB) to root (R) ratio.

Fig.2.Thesetwoprimarymandibularmo-lars each have a supernumerary root variant (three roots as opposed to the more typical two roots) due to aberrant invagination of the epithelial root sheath.

plications in periodontal disease, orthodontics, treatment of trauma and restorative dentistry. In the following section some of the more common human variants of defective root development are reviewed.

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