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Finals- The Periodontium > Dental tissues > Flashcards

Dental tissues Flashcards

1
Q

name these structures

A
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2
Q

rank each part of the tooth according to mineral percentage (high to low)

A

enamel, dentine, cementum, bone

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3
Q

rank each part of the tooth according to matrix percentage (high to low)

A

bone, cementum, dentine, enamel

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4
Q

what kind of product is enamel?

A

an epithelial product

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5
Q

what are the properties of enamel?

A

hard but brittle

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6
Q

what is the hardness of enamel ?

A

KN 360-390

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7
Q

what is the main structure of enamel?

A

enamel prisms

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8
Q

what colour is enamel?

A

translucent

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9
Q

is enamel vital or non vital?

A

non-vital

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10
Q

what bur is needed to cut through enamel?

A

high speed air turbine with
-diamond fissure
-tungsten carbide

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11
Q

what kind of product is dentine?

A

specialised connective tissue

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12
Q

what are the properties of dentine?

A

strong and resilient

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13
Q

what is the hardness of dentine?

A

KN75

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14
Q

dentine is made up of 20% matrix and 70% mineral, what is the matrix made of?

A

collagen

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15
Q

what is used to cut through soft carious dentine?

A

slow speed bladed rose head bur

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16
Q

what is the form of dentine?

A

made up of tubules

17
Q

what has more tubules pre dentine or ADJ dentine?

A

pre-dentine

18
Q

is dentine vital or non-vital?

A

vital- can respond to insult to protect the pulp (secondary dentine)

19
Q

what kind of product is dental pulp?

A

specialised connective tissue

20
Q

what are the 3 roles of the dental pulp?

A

-dentine formation
-provide sensory innervation
-defence and repair

21
Q

name these parts

A
22
Q

how does dentine being porous affect the pulp?

A

-materials can irritate the pulp
-materials can be therapeutic to pulp (CaOH)

23
Q

what kind of product is cementum?

A

mineralised specialised connective tissue

24
Q

what is the purpose of cementum?

A

-covers root
-resistance to resorption
-supports the tooth

Finals- The Periodontium (6 decks)

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