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MODULE 6 OSCE > MIXED DENTITION > Flashcards

MIXED DENTITION Flashcards

1
Q

when do primary teeth begin to erupt?

A

6 months

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2
Q

when is the full primary dentition established?

A

2.5 years

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3
Q

when do lower As erupt?

A

6 months

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4
Q

when do upper As erupt?

A

8 months

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5
Q

when do upper Bs erupt?

A

10 months

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6
Q

when do lower Bs erupt?

A

12 months

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7
Q

when do Cs erupt?

A

18 months

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8
Q

when do Ds erupt?

A

14 months

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9
Q

when do E erupt?

A

24 months/ 2 years

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10
Q

when do permanent teeth begin to erupt?

A

6 years

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11
Q

when is the permanent dentition (excluding 8s) established?

A

12 years old

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12
Q

what is a diastema? what causes it?

A

a gap between upper central incisors
caused by overgrowth of the labial frenulum

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13
Q

what toothpaste is suitable for <3 year olds?

A

smear of 1000ppm

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14
Q

what toothpaste is suitable for 3-6 year olds?

A

1000ppm pea sized

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15
Q

what tooth paste is suitable for 7+ years?

A

1350-1500ppm

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16
Q

what tooth paste can you prescribe 10+ yr olds at high risk of caries?

A

2800ppm

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17
Q

what toothpaste can you prescribe 16+ year olds at high risk of caries?

A

2800/5000ppm

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18
Q

what are the main diet advice points?

A

balanced diet
drink milk and water
4 sugar hits/day, preferably with meals
non-cariogenic snacks - veg and cheese
do not drink/ eat after night time brushing
wary of hidden sugars and acids

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19
Q

how strong is fluoride varnish?

A

22600ppm

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20
Q

how many times a year can fluoride varnish be applied?

A

2

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21
Q

how many times a year can fluoride varnish be applied for children at high risk of caries?

A

4

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22
Q

what advice is given after fluoride varnish application?

A

do not eat or drink 30 mins after application

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23
Q

what are the contraindications for fluoride varnish?

A

colophony allergy
asthma hospitalisation
ulcerative gingivitis

24
Q

what are the 2 materials used for fissure sealants?

A

resin
GI

25
Q

when and where are fissure sealants applied?

A

all permanent molars after eruption
all susceptible pits and fissures where a child is at risk of caries

26
Q

when would you use GI for fissure sealants? how can you apply it?

A

poor cooperation/ moisture control
easy to apply with finger press technique

27
Q

what type of lesions may you want to fissure seal?

A

initial occlusal and proximal lesions

28
Q

how many times a year can you apply SDF?

A

2

29
Q

what percentage of SDF do we use?

A

38%

30
Q

what is SDF licensed for in the UK?

A

desensitisation

31
Q

what are the indications for the use of SDF?

A
  • Pts at high risk of caries (xerostomia/ severe early childhood caries).
  • Pre-cooperative child (very young).
  • Treatment challenged by behavioural or medical conditions.
  • Pts with several carious lesions that may not be treated in one visit.
  • Difficult to treat dental carious lesions.
  • Pts without access to dental care.
32
Q

what are the contraindications of SDF?

A

silver allergy
pain’ IP/PA
infection; swelling, abscess, fistula
unable to isolate tooth

33
Q

how is SDF applied?

A

microbrush and agitate for 1 min

34
Q

what consent do you have to gain before applying SDF?

A

pt and parent must be aware the lesion will go dark/ black
it stains every thing it touches

35
Q

what do you place before placement of a hall crown? and when?

A

orthodontic separators 5-7 days prior

36
Q

what material is a hall crown?

A

stainless steel

37
Q

what is the hall crown filled with for cementation?

A

GI luting cement

38
Q

what are the indications for a hall crown?

A

asymptomatic
clear band of dentine
proximal lesions cavitated or non cavitated
occlusal lesions if pt cannot tolerate other treatment

39
Q

what are contraindications of hall crown?

A

IR or abscess/ infection
caries in to pulp
arrested caries

40
Q

how long does it take for occlusal equilibration following crown placement?

A

4-6 weeks

41
Q

what is stepwise caries removal? and does it require LA?

A

yes LA
stage 1 - remove superficial caries and place GI
stage 2 (6-12 months later) - access cavity and place permanent restoration

there should be an increased distance of pulp to caries

42
Q

when would you use stepwise caries removal?

A

extensive occlusal or proximal lesions in permanent molars

43
Q

when would you do complete caries removal?

A

moderate occlusal lesions
moderate proximal lesions
advanced anterior lesions

44
Q

what is selective caries removal?

A

leave arrested caries at the base of the cavity and clear the walls

45
Q

when would you use selective caries removal?

A

moderate occlusal lesions
moderate proximal lesions

46
Q

what is site specific prevention?

A

show parent and child the carious lesion
OHI
diet advice
fluoride varnish
monitor

if not arrested after 3 months, consider alternative tx

47
Q

when would you do site specific prevention?

A

initial proximal lesions

48
Q

how would you treat an initial occlusal lesion in a primary tooth?

A

site specific prevention or fissure sealh

49
Q

how would you treat an advanced occlusal lesion in primary teeth?

A

selective caries removal or hall crown

50
Q

how would you manage an initial proximal lesion in primary teeth?

A

site specific prevention or fissure seal

51
Q

how would you manage an advanced proximal lesion in primary teeth ?

A

selective caries removal or hall crown

52
Q

when can you start taking bitewings?

A

4 years

53
Q

when do you take bitewings for high risk pts?

A

every 6 months

54
Q

when do you take bitewings of primary dentition low risk?

A

every 1 year

55
Q

when do you take bitewings of permanent dentition low risk?

A

every 2 years

56
Q

how often do you make appointments for high risk caries?

A

every 3 months

57
Q

how often do you recall low caries risk pts?

A

6 months

MODULE 6 OSCE (4 decks)

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