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Oral Anatomy > ENAMEL > Flashcards

ENAMEL Flashcards

1
Q

Hardest structure in the body

A

ENAMEL

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2
Q

Hardness of enamel

A

5-8 MOh

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3
Q

Its density is 2.6mm

A

MOLAR CUSP

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4
Q

Its density is 2.3mm

A

PREMOLAR CUSP

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5
Q

Its density is 2.0mm

A

INCISAL EDGE

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6
Q

Its density is 0.1mm

A

CEJ

CEMENTO ENAMEL JUNCTION

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7
Q

Its color is translucent

A

ENAMEL

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8
Q

Thicker enamel (color)

A

GRAYISH-BLUISH

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9
Q

Thinner enamel (color)

A

YELLOWISH WHITE

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10
Q

It means elasticity and the capacity to resist stretching

A

TENSILE STRENGTH

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11
Q

The ability to resist pounding

A

COMPRESSIVE

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12
Q

How many percent of enamel has water

A

11%

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13
Q

How much water is there in deep regions

A

4%

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14
Q

The ability to accept chemicals

A

PERMEABILITY

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15
Q

It is the decayed process

A

ACINOGENIC BACTERIAL ACTION

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16
Q

It protects natural teeth

A

FLOURIDE

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17
Q

It gives color to natural teeth

A

DENTIN

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18
Q

Its color is light yellow

A

DENTIN

19
Q

It is harder than the bone

A

DENTIN

20
Q

It is highly elastic

A

DENTIN

21
Q

Provide nutrients for natural teeth

A

NUTRITIVE

22
Q

Primary and foremost function of pulp tissue

A

NUTRITIVE

23
Q

It provides feeling

A

SENSORY

24
Q

It is for abrasions

A

DEFENSIVE

25
Q

Facilitates decay process

A

SECONDARY DENTIN

26
Q

It has same degree of hardness as the bones

A

CEMENTUM

27
Q

Properties of cementum

A
  • softer than enamel
  • lack luster
  • has dark hue
  • light yellowish (lighter)
  • permeable
28
Q

Functions of cementum

A

Attachment for periodontal ligament

Contribute to continuous eruption

Regulates periodontal space (.2mm)

Protects root dentin

Repair

29
Q

Deposing new bone. pull

A

Aposition

30
Q

It surrounds suspensory fibers

A

Periodontal Ligament

31
Q

Fcns of periodontal ligament

A 
Supportive
Formative
Nutritive
Protective
Sensory
32
Q

Glomeration same as pulp tissue

A

Proprio receptor

33
Q

Fcns of bone and alveolar bone

A 
Support to body
Protects vital org
Hematopoesis
Attachment of muscle
Locomotion
Calcium reservoir
34
Q

Compact bone which lines the tooth socketed

A

Cribri form plate or lamina dura im XRay

35
Q

Prevents food from being pack. Stabilizes dental arches.
Series of contact points.
Exist on highest convexity

A

Proximal contact areas

36
Q

It contributes to the healthy condition of the mouth

A

Physiologic tooth forms

37
Q

Size of contact point

A

0.5 mm

38
Q

Closer to the midline

A

Mesial

39
Q

Away to the midline

A

Distal

40
Q

Gingival tissues fill up this spaces. Accommodates the interproximal or interdental tissues

A

Inter proximal spaces

41
Q

Spaces created from contact area and diverge from contact area

A

Embrasures

42
Q

Means to contact

A

Occlusion

43
Q

Forns outer and inner plate of alveolar process

A

Cortical plate

44
Q

Surrounds alveolar bone proper

A

Supporting alveolar bone

Oral Anatomy (4 decks)

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