Enamel 2
Enamel Insights Quiz
Test your knowledge about dental enamel with our comprehensive quiz! This quiz covers various topics related to enamel structure, formation, defects, and related anatomy. Perfect for dental students, professionals, or anyone interested in oral health.
- 25 thought-provoking questions
- Multiple choice format
- Immediate feedback on your answers
Rounded heads of prisms are pointed in which direction?
Towards the occlusal/incisal surface
Cervically
Tails of one prism layer interlock with the tails of another prism layer
True
False
The enamel rod is _________ in cross section
Triangular
Round
Hexagonal
Square
The rounded head of an enamel prism is produced by how many ameloblasts?
One
Two
Three
Four
The tail of an enamel prism is produced by how many ameloblasts?
One
Two
Three
Four
Enamel prisms are wavy at DEJ but straight near the enamel surface
True
False
In enamel, prisms run perpendicular to DEJ.
True
False
A defect in enamel formation which affects the matrix that causes pits and irregular grooves
Hypercalcification
Hypocalcification
Hypoplasia
Hyperplasia
Which of these is associated with chalky white spots on the teeth?
Hypocalcification
Hypercalcification
Which causes mottled enamel?
Hypocalcification
Hypoplasia
Attrition
Hypercalcification
Attrition is the wearing away of the enamel due to frictional use
True
False
Attrition is more common with older patients
True
False
Enamel becomes lighter with age
True
False
A concave surface where cells are compressed and are cut off from nutrition which forms a weak spot in the tooth.
Prism
Tuft
Pit and fissure
Hole
Alternating dark and light bands that extend perpendicularly from DEJ toward tooth surface
Hunter-Schrager bands
Straie of Retzius
When prisms are intertwined and twisted around each other within the cusp tip or incisal edge
Enamel tufts
Pits and fissues
Enamel spindles
Gnarled enamel
The Lines of Retzius appear dark because of their high degree of calcification and low amount of enamel matrix
True
False
Cracks in enamel caused by injury are also known as ___________
Enamel tufts
Enamel separation
Gnarled enamel
Enamel lamallae
Enamel tufts are calcified inner ends of enamel rods
True
False
Peripheral ends of cytoplasmic processes of odontoblasts that extend across the DEJ
Enamel spindles
Enamel tufts
Enamel pearls
Enamel lamellae
These look like brushes attached to DEJ and extend outward 1/3 of the way into enamel
Enamel spindles
Enamel tufts
Enamel pearls
Prisms
Small globs of ameloblasts that form in cementum near CEJ of maxillary molars
Enamel rods
Enamel pearls
Lines of Retzius
Enamel lamellae
Enamel lamellae are highly calcified
True
False
Lines of Retzius, tufts and spindles are hypomineralized areas which offer decreased resistance to decay
True
False
In the Hunter-Schrager bands, the dark bands are called _______ and the light bands are called ______
Diazones; Parazones
Parazones; Diazones
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