In the two cross-sectional views of alveolar bone depicted below,structure "a" illustrates the

A) cribriform plate
B) cortical plate
C) spongy bone

Question

In the two cross-sectional views of alveolar bone depicted below,structure "a" illustrates the

A) cribriform plate 
B) cortical plate 
C) spongy bone

Quizplus · Accepted Answer

The cortical plate is a layer of compact bone on the buccal or lingual surface.The cribriform plate,also called the alveolar bone proper,is bone that forms the socket.Radiographically it is referred to as the lamina dura.Located between the cortical plate and the cribriform plate is a layer of spongy or cancellous bone.

In the Two Cross-Sectional Views of Alveolar Bone Depicted Below,structure