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2nd year > Paed- Primary teeth > Flashcards

Paed- Primary teeth Flashcards

1
Q

What does this image show and how do we treat it?

A

The white mark is a gingival cyst.

You don’t have to do anything to treat this.

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2
Q

What do we call a gingival cyst found on the palate?

A

Epstein’s pearls

P for palate P for pearls

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3
Q

What do we call a gingival cyst found at the alveolar ridges?

A

Bohn’s nodules

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4
Q

What does this image show and how do we treat it?

A

This is a congenital epulis.

This will shrink as the child gets older (It is not a cancer so won’t spread)

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5
Q

What does this image show and how do we treat it?

A

These are Neonatal or natal teeth (Normally lower central incisors)

To treat you may have to smooth out the teeth, if like in this case they are causing an ulcer under the tounge.

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6
Q

What does this image show and how do we treat it?

A

This is an erruption cyst caused by blood getting into the follicle space when a tooth is erupting.

It will resolve as the tooth errupts.

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7
Q

What is the FDI notation for primary teeth?

A
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8
Q

When does the primary maxillary central incisor erupt?

A

8-12 months after birth

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9
Q

When does the primary maxillary lateral incisor erupt?

A

9-13 months after birth

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10
Q

When does the primary maxillary canine erupt?

A

16-22 months after birth

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11
Q

When does the primary maxillary first molar erupt?

A

13-19 months after birth

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12
Q

When does the primary maxillary second molar erupt?

A

25-33 months after birth.

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13
Q

When does the primary mandibular central incisor erupt?

A

6-10 months after birth

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14
Q

When does the primary mandibular lateral incisor erupt?

A

10-16 months

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15
Q

When does the primary mandibular canine erupt?

A

17-23 months

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16
Q

When does the primary mandibular first molar erupt?

A

14-18 months after birth

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17
Q

When does the primary mandibular 2nd molar erupt?

A

23-31 months

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18
Q

How is the path for tooth erruption cleared?

A

Follicle is activated to initate osteoclasts to nibble away at the crestal bone.

AND

the primary root is resorbed.

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19
Q

What is the pattern for primary tooth erruption?

A

Lower teeth errupt before the Upper teeth (except lateral incisors)

A

B

D

C

E

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20
Q

Compare primary and permanent incisors?

A

Primary incisors have a smaller crown and smaller root than the permanent teeth.

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21
Q

Compare primary and permanent molars

A

Primary molars are wider mesiodistally and more bulbous.

22
Q

Compare the roots of primary molars compared to that of pemanent molars

A

The roots of primary teeth tend to be narrower and they flare apically to allow room in between for the permanent crowns.

23
Q

discuss the pulp of primary teeth?

A

The pulp is larger in primary teeth but the enamel and dentine is thinner. This means it is easier to expose the pulp chamber as the pulp horns are closer to enamel.

24
Q

Why are primary teeth impossible to clean properly?

A

They have flat &thin root canals with multiple accessory canals.

25
Q

what is the leeway space?

A

The extra mesiodistal space occupied by the wider primary molars that are replaced by premolars.

it is 1.5mm per side on the upper arch

2.5mm per side on the lower arch.

26
Q

how long does the mixed dentition stage last?

A

From the erruption of the first permanent tooth to the exfoliation of the last primary tooth (often the upper canine)

Age 6-11 (can last till a child is 12/13)

27
Q

What is the erruption pattern for the permanent maxillary teeth?

A

6

1

2

4

5

3

7

1st permanent molar erupts then back to front except canines.

28
Q

What is the erruption pattern for the permanent mandibular teeth?

A

6

1

2

3

4

5

7

1st molar erupts then front to back.

29
Q

At what age does the permanent maxillary central incisor erupt?

A

7 years

30
Q

At what age does the permanent maxillary lateral incisor erupt?

A

8 years

31
Q

At what age does the permanent maxillary canine erupt?

A

11 years

32
Q

At what age does the permanent maxillary first premolar erupt?

A

10 years

33
Q

At what age does the permanent maxillary second premolar erupt?

A

10 years

34
Q

At what age does the permanent maxillary 1st molar erupt?

A

6 years

35
Q

At what age does the permanent maxillary 2nd molar erupt?

A

12 years

36
Q

lower teeth erupt before uppers except the…

A

second premolar in secondary teeth.

Lateral Incisors in primary teeth.

37
Q

if there is crowding on the upper arch, how does this affect eruption?

A

the upper canine is excluded.

38
Q

if there is crowding on the lower arch, how does this affect eruption?

A

there is lack of space for the second premolar

39
Q

describe this image

A

Ugly duckling phase.

The lateral incisors push on the root and splay out the central incisors.

The permanent canines come in to close the gap as they push the splay down.

40
Q

what tooth is this?

A

an upper second primary molar.

it has:

  • 3 roots - 2 buccal 1 palatal
  • A C shaped fissure on the mesial side.
  • more bulbus buccal cusp.
  • Transverse ridge.
41
Q

what tooth is this?

A

a lower second primary molar.

it has:

  • 5 cusps =3 buccal cusps
  • largest cusp mesial
  • smallest cusp = distal
42
Q

what tooth is this?

A

the upper first primary molar .

it has:

  • square shape
  • 3 roots
  • a mesiobuccal tubercle
43
Q

what tooth is this?

A

a lower first primary molar. it has:

  • rectangular shape
  • mesiobuccal tubercle
  • 2 roots.
44
Q

What is the primate space?

A

The space found behind the laterals of the upper arch and the canines of the lower arch.

THE RED

45
Q

At what age does the permanent mandibular central incisor erupt?

A

6 years

46
Q

At what age does the permanent mandibular lateral incisor erupt?

A

7 years

47
Q

At what age does the permanent mandibular canine erupt?

A

9 years

48
Q

At what age does the permanent mandibular 1st premolar erupt?

A

10 years

49
Q

At what age does the permanent mandibular 2nd premolar erupt?

A

10 years

50
Q

At what age does the permanent mandibular 1st molar erupt?

A

6 years

51
Q

At what age does the permanent mandibular 2nd molar erupt?

A

12 years.

2nd year (63 decks)

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