TCDHA Histology Midterm-Final Review Questions and Correct answers 2026/2027

TCDHA Histology Midterm-Final Review Questions and Correct answers 2026/2027 What is enamel? - Correct Answer Hardest calcified/mineralized tissue in the human body Covers Anatomical crown What is the blood supply of enamel? - Correct Answer Avascular and non-vital (has no nerves) What is the material makeup of enamel? - Correct Answer 96% inorganic (mineralized) material - mainly calcium hydroxyapatite 3% water 1% organic - enamelin (protein component) What color is enamel? - Correct Answer It is grayish/bluish white but appears slightly yellow b/c its translucent and the underlying dentin is yellowish What is amelogenesis - Correct Answer Process of enamel matrix formation Where is enamel matrix derived from? - Correct Answer Enamel matrix is ectodermal and is derived from inner enamel epithelium (IEE) of enamel organ What stage does amelogenesis occur in? - Correct Answer During the appositional stage (formation of enamel/dentin matrix) of tooth development What is enamel matrix composed of? - Correct Answer At first is composed of proteins, carbohydrates and small amounts of calcium hydroxyapatite crystals it DOES NOT contain proteins like dentin, cementum and alveolar bone What must be present in