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Enamel quiz - written notes

Create an educational illustration depicting the structure and properties of dental enamel, showing enamel prisms, mineral composition, and the relationship with dentin, in a visually appealing style.

Enamel Knowledge Quiz

Test your understanding of enamel, the hardest tissue in the human body! This quiz will challenge your knowledge on its composition, formation, and properties.

Join now and discover:

What makes enamel so unique
Key facts about its development
The role enamel plays in oral health

20 Questions5 MinutesCreated by StudyingTooth321

Enamel is the hardest tissue found in the body

True

False

Hardness of enamel results from its high degree of ___________

Fibers

Dentin

Calcification

Attrition

Enamel is insusceptible to attrition

True

False

Enamel acts as a ______________ membrane

Permeable

Semipermeable

Non-permeable

Enamel does not act as a membrane

Enamel is pure white

True

False

Color of enamel is determined by differences in _________ of enamel

Hardness

Translucency

Transparency

Opacity

The mineral ___________ makes up 96% of the enamel weight

Hydroxyapatite

Strontium

Calcium

Magnesium

The development/formation of the enamel is known as __________

Enamelosis

Hypocalcification

Amelogenesis

Enamelogenesis

What cell lays down a matrix of mucopolyssacharides and organic fibers next to the dentin matrix and forms the future DEJ

Ameloblasts

Odontoblasts

Osteoblasts

Mesenchymal cells

The other 4% of enamel is composed of _____ and _______

H2O2; inorganic materials

H2O; Organic materials

Phosphate; Organic materials

Nitrogen; calcium

As the ameloblasts secrete the matrix, it moves _______ dentin toward the enamel epithelium

Toward

Away from

Enamel is first put down where?

Cusp tips and incisal edges

DEJ

Pulp cavity

Root

The structural unit of enamel is a ______

Ameloblast

Prism

Crystal

Tuft

What shape are enamel prisms?

S-shaped

Round

Square

Keyhole shaped

The second stage of calcification

Mineralization

Maturation

When the enamel crystals are less tightly packed together

Hypercalcified

Hypocalcified

Hypocalcified areas decay more rapidly. Hypocalcified areas appear as yellow.

Both statements are true

Both statements are false

The first statement is true and the second is false

The first statement is false and the second is true

Every _____ day there is a change in development of rod and a brownish line develops in the enamel

2nd

4th

5th

6th

Incremental growth lines or bands seen in tooth enamel that appear as brown

Striae of Retzius

Hunter-Schrager bands

Enamel spindles

Enamel lamellae

Prism sheaths consist exclusively of __________

Hydroxyapatite

Enamel matrix

Dentin matrix

Calcium

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