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PDA H9RA 34 > Caries and Prevention > Flashcards

Caries and Prevention Flashcards

1
Q

A- breakdown of dentine
B- demineralisation of enamel
C- inflammation of the pulp
D- caries progressing beyond the amelo-dentinal junction
E- abscess

What is the correct sequence?

A

B,D,A,C,E

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2
Q

What is dental caries?

A

Irreversible disease of the tooth structure

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3
Q

What is the blanks?
Plaque is made up of bacteria such as lactobacillus and ——-. These bacteria are able to ferment —- to produce —— which —— enamel and causes —-

A

Streptococcus mutans, sugar, acid, demineralises caries

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4
Q

Sugars which are most responsible for dental caries are called

A

Non milk extrinsic

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5
Q

Give three examples of food contain and hidden sugars

A

Tin beans, yoghurt, tin soup, breakfast cereal

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6
Q

Three factors that can cause caries

A

1- sucrose
2- lactic acid
3- streptococcus mutans

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7
Q

Give three contributing factors to the cause of dental caries

A

1- streptococcus mutans found in plaque
2- frequency of sugar in diet
3- acid causing demineralisation

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8
Q

What is the single most important cause of dental caries?

A

Frequency of sugar consumed in diet

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9
Q

Name two bacteria involved in the caries process

A

1- streptococcus mutans
2- lactobacillus

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10
Q

Bacteria and plague turn sugar into what?

A

Acid

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11
Q

Complete the following:

The main micro organism involved in dental caries process is —-. For caries to happen it reacts with —- to form acid.

—- is the process by where a breakdown occurs in the hydroxyapatite crystals, when —- and —- leach from the enamel.

If the process is reversed—- occurs

A

Streptococcus mutans, sugar, demineralisation, calcium, phosphate, remineralisation

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12
Q

What does the initials DMF stand for?

A

Decayed missing filled

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13
Q

List two methods of detecting caries

A

Radiographs, naked eye, probe, transillumination

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14
Q

What effect does the stephan curve show?

A

Effect sugar has on the pH of plaque

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15
Q

What is the critical pH level below which acid demineralises enamel?

A

PH 5 .5

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16
Q

What is an early carious lesion called?

A

White spot lesion

17
Q

Give three examples of snacks/drinks considered safer for teeth

A

Water milk fruit nuts, cheese crisps

18
Q

Give three courses, other than caries where tooth enamel can be lost

A

Attrition erosion, abrasion

19
Q

Is it true toxins can cause caries.

A

False

20
Q

Is it true sucrose can cause caries?

A

True

21
Q

Is it true lactic acid can cause caries?

A

True

22
Q

What is the most important for the prevention of caries?

A

Reducing the frequency of sugar intake

23
Q

Bacterial acid attack on tooth enamel results in what?

A

Demineralisation

24
Q

Bacterial acid attack on tooth enamel results in what?

A

Demineralisation

25
Q

List three types of topical fluoride

A

Toothpaste, mouthwash, varnish

26
Q

List three types of systemic fluoride

A

Water, tablets, drops

27
Q

What is the recommended concentration of fluoride in the water supply?

A

One part per million

28
Q

What is the approximate concentration of fluoride toothpaste recommended for an adult?

A

1500 ppm

29
Q

What effect has fluoride on the tooth surface structure?

A

Strength enamel from acid attack

30
Q

What is the main risk for children of applying too much fluoride toothpaste on a toothbrush?

A

Ingestion fluorosis

31
Q

What is an example of a topical fluoride?

A

Toothpaste

32
Q

List a piece of advice you would give to a teenager with a high rate and relevance

A

Restrict sugar to meal times to reduce number of acid attacks, use fluoride mouthwash/toothpaste daily strengthens enamel against acid attacks, Fisher sealant on posterior teeth to reduce/eliminate pits and fishers

PDA H9RA 34 (4 decks)

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