10 Questions
What is the percentage of mineralized or inorganic material in mature enamel by weight?
96%
What is enamel composed of, besides calcium hydroxyapatite?
1% organic material and 3% water
Why can enamel be lost forever?
Because it is nonvital and cannot be replaced
How does enamel appear on radiographs compared to dentin and pulp?
More opaque
What is the chemical formula of calcium hydroxyapatite?
Ca10(PO4)6(OH)2
What is the primary structural unit of the enamel?
Enamel prisms
What direction are the enamel rods oriented in relation to the DEJ and the outer enamel surface?
Perpendicular
What is the reason for the varying degrees of curvature in the enamel rods?
Movements of the ameloblasts during enamel production
What is the characteristic of the enamel rods in terms of length?
Each enamel rod is varies in length
What is the term for the region surrounding the enamel rods?
Interprismatic region
Test your knowledge of the structure and composition of tooth enamel, including its hardness, mineral content, and vital properties. Learn about the unique features of this calcified tissue and how it differs from other tissues in the human body.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
