EFDA CH 1 EXAM QUESTIONS AND
ANSWERS
anatomical crown -
correct answer ✅portion that extends from the incisal or occlusal
surface to the enamels junction with the cementum of the root
clinical crown -
correct answer ✅part of the tooth that is visible in the mouth
concavity is called -
correct answer ✅furrow
cementoenamel junction -
correct answer ✅is where the enamel meets the cementum at the
base of the anatomical crown
Furrow -
correct answer ✅where two or more roots meet by the CEJ is the
concavity
Furcation -
correct answer ✅the area where roots divide
, EFDA CH 1 EXAM QUESTIONS AND
ANSWERS
what is contact area purpose -
correct answer ✅1 to keep food from packing between teeth.
2 to stabilize the arch
Embrasures -
correct answer ✅The spaces next to and surround the contacts
Enamel -
correct answer ✅covers the anatomical crown and can vary in
thickness
_______ is the hardest tissue in the body, but is brittle -
correct answer ✅enamel
Enamel is composed of -
correct answer ✅95% inorganic matter-hydroxyapatite, and 5%
organic matter and water
what cells form enamel? -
correct answer ✅ameloblasts
ANSWERS
anatomical crown -
correct answer ✅portion that extends from the incisal or occlusal
surface to the enamels junction with the cementum of the root
clinical crown -
correct answer ✅part of the tooth that is visible in the mouth
concavity is called -
correct answer ✅furrow
cementoenamel junction -
correct answer ✅is where the enamel meets the cementum at the
base of the anatomical crown
Furrow -
correct answer ✅where two or more roots meet by the CEJ is the
concavity
Furcation -
correct answer ✅the area where roots divide
, EFDA CH 1 EXAM QUESTIONS AND
ANSWERS
what is contact area purpose -
correct answer ✅1 to keep food from packing between teeth.
2 to stabilize the arch
Embrasures -
correct answer ✅The spaces next to and surround the contacts
Enamel -
correct answer ✅covers the anatomical crown and can vary in
thickness
_______ is the hardest tissue in the body, but is brittle -
correct answer ✅enamel
Enamel is composed of -
correct answer ✅95% inorganic matter-hydroxyapatite, and 5%
organic matter and water
what cells form enamel? -
correct answer ✅ameloblasts
