Enamel 2

A highly detailed anatomical illustration of dental enamel and its structures, showing prisms, tufts, spindles, and the DEJ in an educational style.

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

25 Questions6 MinutesCreated by BrushingTooth123

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

Enamel 2

Enamel Insights Quiz

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