The most common development disorder affecting the tongue is:

 # The most common development disorder affecting the tongue is:

A. Median rhomboid glossitis

B. Abnormally fissured tongue

C. White spongy nevus

D. Black hairy tongue

The correct answer is B. Abnormally fissured tongue.

Fissured tongue is a condition frequently seen in the general population and it is characterized by grooves that vary in depth and are noted along the dorsal and lateral aspects of the tongue. Although a definitive etiology is unknown, a polygenic mode of inheritance is suspected because the condition is seen clustering in families who are affected.

Patients are usually asymptomatic, and the condition is initially noted on routine intraoral examination as an incidental finding. 

Reference: Shafer’s Textbook of ORAL PATHOLOGY, 7th Edition, Page No: 29

 

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