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CDH > 3rd year > Flashcards

3rd year Flashcards

1
Q

longest interval for child recall?

A

12months

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2
Q

child recall in high risk?

A

3months

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3
Q

what is classical conditioning?

A

make environment different to situations child has felt scared before

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4
Q

what is operant conditioning?

A

reward good behaviour

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5
Q

what is ICCMS?

A

international caries classification + management system

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6
Q

what is sensitivity?

A

probability of getting a false negative

high sensitivity = low false negative

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7
Q

what is specificity?

A

probability of getting a false positive

high specificity = low false positive

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8
Q

how do children gingiva look different to adults?

A

more vascular, thinner ep, less keratinisation, fewer CT

= redder, can be confused for inflammation

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9
Q

how can puberty effect gingiva

A

change in hormones can lead to chronic gingivitis

if severe = aggressive periodontal disease

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10
Q

what anticonvulsant can cause gingival hyperplasia?

A

phenytoin

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11
Q

difference between major + minor gingivitis artefacta

A

major = loss of periodontal support

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12
Q

what happens in Reyes syndrome?

A

brain + liver damage

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13
Q

how to manage natal/neonatal teeth?

A

only remove if:

  1. mobile
  2. interfere with feeding
  3. inflammation/ulcers

natal = birth, neonatal = 30days after birth

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14
Q

what is ferric sulphate used for?

A

haemorrhage control

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15
Q

when carrying out a pulpotomy on a primary molar, what is profuse haemorrhage a sign of ? and how should it be treated?

A

serious inflammation of radicular pulp

intermediate dressing with ledermix

second visit - pulpotomy

should orginally stop bleeding in <3mins

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16
Q

why is formaldehyde CI in pulpotomy?

A

carcinogenic

17
Q

how does MTA work?

A

stimulates cytokine release from plural fibroblasts, stimulating hard tissue formation

18
Q

which primary teeth would you consider RCT in?

A

non-vital Es only - all others extract

19
Q

what do you use instead of gutta percha in primary RCT?

A

resorbable paste

20
Q

what causes a tooth to turn pink?

A

internal resorption

21
Q

4 causes of systemic intrinsic enamel staining?

A

amelogenisis imperfecta
fluorisis
systemic illness
idiopathic

22
Q

5 causes of local intrinsic dentine staining?

A
  1. necrotic pulp
  2. metal ions from amalgam
  3. root canal filling materials
  4. caries
  5. internal resorption
23
Q

4 causes of systemic intrinsic dentine staining?

A
  1. dentinogenous imperfecta
  2. tetracycline
  3. congenital porphyria
  4. liver problems = xs bilirubin stain teeth green/yellow
24
Q

4 treatments for discoloured teeth in children?

A
  1. enamel micro-abrasion
  2. whitening - vital + non-vital
  3. veneers
  4. crowns
25
Q

when is micro abrasion indicated?

A
  1. white/brown marks intrinsic in outer layer of enamel
  2. turner teeth
  3. fluorosis
  4. idiopathic speckling
  5. post-ortho demineralisation
  6. prior to veneers
26
Q

what chemicals are used for micro-abrasion?

A

37% phosphoric acid or 18% HCL

then sodium bicarbonate + water

fluoride paste

27
Q

what is it important to tell pt after micro-abrasion?

A

dont eat coloured food for 12hrs

enamel can look creamier

28
Q

what is orobase used for?

A

protect gingivae in tooth whitening

29
Q

legal max percentage of hydrogen peroxide?

A

6%

30
Q

what chemical is used for tray based whitening of vital teeth?

A

10% carbamide peroxide - releases 3% hydrogen peroxide

31
Q

2 techniques used for non-vital bleaching?

A

walking bleach

inside/outside bleaching

32
Q

after removing 1-2mm of GP what must be placed over the root filling for walking bleach/inside out technique?

A

zinc phosphate cement/ GIC

33
Q

what % of carbamide peroxide is used for walking bleaching?

A

35%

34
Q

why are therm-catalytic techniques for walking bleaching CI?

A

risk of cervical resorption

osteoclast activity increases as pH decreases

35
Q

how many acidic intakes a day is classed as high risk for erosion?

A

> 4

36
Q

when does hypominerlisation in MIH happen?

A

post eruption

37
Q

how can hypomineralised enamel effect restoration?

A

reduced bond strength

38
Q

does amelogenisis imperfecta have more effect on primary or permanent teeth?

A

primary

39
Q

does dentinogenesis imperfecta have more effect on primary or permanent teeth?

A

permanent

CDH (4 decks)

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