The remnants of epithelial root sheath found in periodontal ligament

 # The remnants of epithelial root sheath found in periodontal ligament are called:

A. Enamel pearls

B. Enamel knots

C. Rests of Malassez

D. Epithelial diaphragm

The correct answer is C. Rests of Malassez.

The development of root does not begin till the enamel and dentin reach the future cemento-enamel junction. In development of root, enamel organ performs a very important function by forming Hertwig’s epithelial root sheath. Hertwig’s epithelial root sheath is molded and assumes tall shape of root by initiation of radicular dentin formation with the help of differentiation of radicular cells into the odontoblasts. Enamel on radicular portion is not formed because of the absence of stratum intermedium. The remnants of the epithelial root sheath are embedded in the periodontal ligament of erupted teeth and are called as epithelial rests of Malassez.

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