In the Following Illustration,structure "D" is The

Question

In the following illustration,structure "d" is the

A) mandibular labial frenum 
B) mucogingival junction 
C) mucobuccal fold 
D) maxillary labial frenum

Accepted Answer

The point at which the mucosa of the lips or cheeks joins the gingival tissue is known as the mucobuccal fold or mucolabial fold.These structures are generally located slightly distal to the canine teeth and are quite evident.Structure "a" is the maxillary labial frenum.Structure "b" is the mandibular labial frenum.Structure "c" is the mucogingival junction.