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BDS2: AR > ICP8 - Caries Prevention > Flashcards

ICP8 - Caries Prevention Flashcards

1
Q

What is the most common source of Fluoride on the earth?

A

NaF

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2
Q

What is the industrial form of Fluoride?

A

Na2PO3F

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3
Q

Advantages of Water Fluoridation. 2

A
  • Very Easy method

- Very Low cost

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4
Q

% of caries reduction using professionally applied fluorides

A

20-40%

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5
Q

What is the highest concentration of F in toothpaste that can be prescribed to an adult?

A

5000ppm

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6
Q

Amelogenesis definition

A

Enamel Formation

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7
Q

When does F deposit in enamel

A

During initial precipitation and growth of apatite crystals

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8
Q

Pre-Eruptive Effects of F

A
  • Improve Crystallinity
  • Increase crystal size
  • Decrease Acid Solubility
  • More rounded cusps
  • Improve fissure pattern
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9
Q

Post-Eruptive Effects of F

A
  • Inhibit Demineralisation
  • Promote Remineralisation of early caries
  • Increase the degree of remineralisation
  • Increase the speed of remineralisation
  • Inhibit glycolysis in cariogenic bacteria -> decrease in acid production in plaque
  • Fluoride in plaque inhibit the synthesis of extracellular bacteria
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10
Q

How long after consumption will the fluoride level peak in blood?

A

1 Hour

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11
Q

What is formed at high concentrations of F-?

A

CaF2 on tooth surface

- Acts as a reservoir of F- when pH drops to 4-5

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12
Q

Oral symptoms of Vitamin B deficiency?

A
  • Pale lips
  • Loss of epithelium on lips or tongue
  • Local Inflammation
  • Pale appearance of mucosa
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13
Q

Oral symptoms of Vitamin C deficiency?

A
  • Swelling and redness of interdental papillae
  • Purplish inflammation and loss of epithelium
  • Weakened the periodontal ligament
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14
Q

Oral symptoms of Vitamin A deficiency?

A
  • Hyperkeratosis in Mucosa
  • Hyperplasia of salivary glands
  • Reduced salivary flow
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15
Q

Oral symptoms of Vitamin D deficiency?

A
  • Wide zone of predentine
  • Irregular border of predentine
  • Thin dentine with more interlobular dentine
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16
Q

Symptoms of Vitamin K deficiency?

A

Failure to clot blood

17
Q

Symptoms of Calcium and Phosphate deficiency?

A
  • Poor calcification of teeth

- Osteoporotic changes

18
Q

Symptoms of Magnesium deficiency?

A

Susceptible to dental caries

19
Q

Functions of Saliva 5

A
  • Neutralises organic acids
  • Inhibits demineralisation/ enhances remineralisation
  • Recycles ingested fluoride into the mouth
  • Discourage bacterial growth
  • Proteins sustain enamel surface
20
Q

What does Ca2+ prevent?

A
  • Dissolution of teeth at acidic pH

- Calculus formation at normal pH

21
Q

What is a Saliva highway?

A

Saliva flow is greater and faster

22
Q

What is a Salivary byway?

A

Saliva flow is lesser and slower

23
Q

Where is plaque more cavity causing?

A

Salivary byways

BDS2: AR (8 decks)

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