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Module 6 Exam > Paeds > Flashcards

Paeds Flashcards

1
Q

How long after eruption of primary teeth is root formation complete?

A

12-18 months

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2
Q

How long after eruption of permanent teeth is root formation complete?

A

2-3 years

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3
Q

Hypodontia

A

1-6 missing teeth

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4
Q

Ectodermal dysplasia

A

Hypodontia, occasionally andodontia, microdontia, classic conical shaped teeth

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5
Q

Supernumerary teeth (4 types)

A

Conical (cone-like)
tuberculate (tube-like)
Supplemental (same form and function of adjacent teeth with no anatomical differences)
Odontomes (benign tumour of tooth tissue)

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6
Q

What genetic disorder is associated with supernumerary teeth?

A

Cleidocranial dysplasia, cleft palate

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7
Q

Microdontia

A

Smaller teeth (can be associated with cleft lip and palate)

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8
Q

Macrodontia

A

Enlarged tooth (can have various potential due to not allowing appropriate cleaning)

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9
Q

Dens invaginatus vs evaginatus

A

Dens evaginatus is a cusp-like projection of enamel on the tooth crown while dens invaginatus is an inversion or enfolding of enamel into the crown, sometimes extending beyond the CEJ or into the root.

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10
Q

Dilaceration

A
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11
Q

Taurodontism

A

Elongated pulp chamber in a multi-rooted tooth resulting in difference in root morphology with a low bifurcation

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12
Q

MIH - how is breakdown presented?

A

Post-eruptively, cusp fracture

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13
Q

What clinical presentation would warrant microabrasion to be successful for aesthetic improvement?

A

If brown patches were more superficial

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14
Q

In patients with MIH what is an ideal time to extract their affected 6s?

A

8-10 years old —> spontaneous space closure on eruption of 7s

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15
Q

In patients with MIH what is an ideal time to extract their affected 6s - too early ?

A

distal drifting of 5s and spacing

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16
Q

In patients with MIH what is an ideal time to extract their affected 6s - too late?

A

no mesial drift of 7s, instead tipping of 7s and spacing

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17
Q

Fluorosis definition

A

Hypomineralisation and hypoplasia of enamel cause by systemic ingestion of excessive fluoride

Typically will only show on permanent teeth

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18
Q

Amelogenesis imperfecta

A

Genetic disorders affecting enamel formation:
Hypoplastic
Hypocalcified
Hypomaturation

19
Q

Chronological hypoplasia

A

Quantitative defect of enamel caused by a systemic environmental factor, affecting multiple teeth in a linear pattern.

20
Q

Turner teeth

A

Hypoplasia in a single tooth caused by local insult (can be a result of primary tooth trauma)

21
Q

Dentinogenesis imperfecta: type 1

A

associated with osteogenesis imperfecta, brittle bones etc

22
Q

Dentinogenesis imperfecta: type 2

A

Isolated DI condition (not associated with another condition) affects dentine only, not bones - similar clinically to type 1.

23
Q

Dentinogenesis imperfecta: type 3

A

Brandy wine isolate, teeth may be amber, opalescent or even normal in colour but often have large pulp chambers and are prone to severe wear and early loss.

24
Q

Genetic factor involved in dentinogenesis imperfecta

A

DSPP (dentin sialophosphoprotein)

25
Q

Dentine dysplasia: type 1 and 2

A

Dentine Dysplasia Type I is characterized by normal-looking crowns but short, blunted, or absent roots, leading to early tooth loss.

Dentine Dysplasia Type II (DD Type II)
Definition: Dentine Dysplasia Type II presents with normal root length but affects the primary teeth, which show amber discoloration and pulp obliteration, while permanent teeth appear normal or only mildly affected.

26
Q

Difference from Dentinogenesis Imperfecta and dentine dysplasia

A

Unlike dentinogenesis imperfecta, which affects both the crown and root structure of the teeth leading to discoloration and fragility, dentine dysplasia primarily impacts the root formation (Type I) or the primary teeth’s pulp chambers and appearance (Type II) without the generalized crown discoloration seen in dentinogenesis imperfecta.

27
Q

Hypophosphatemic Rickets

A

Defective mineralisation of dentine, large pulps, short roots, risk of peridontal disease.

Spontaneous abscesses

28
Q

Intrinsic staining

A

Discolouration of a tooth caused by intrinsic discolouration of the dentine during tooth formation.

29
Q

Hypophosphatasia

A

Disorder of the cementum - A group of disorders of bone formation caused by defects in the alkaline phosphates gene.

30
Q

Regional odontodysplasia

A

Unerupted teeth, may be alveolar expansion, teeth that do erupt are very abnormal in their morphology, size and mineralisation.

31
Q

ERUPTION DATES: 6 years

A
32
Q

ERUPTION DATES: 7-8 years

A
33
Q

ERUPTION DATES: 8-9 years

A
34
Q

ERUPTION DATES: 9-10 YEARS

A
35
Q

ERUPTION DATES: 10-11 YEARS

A
36
Q

ERUPTION DATES: 10-12

A
37
Q

ERUPTION DATES: 11-12 YEARS

A
38
Q

ERUPTION DATES: 11-13 YEARS

A
39
Q

ERUPTION DATES: 12-13 YEARS

A
40
Q

ERUPTION DATES: 17-21 YEARS

A
41
Q

SDF

A
42
Q

Fluoride recommendations: Normal caries risk

A

1000-1500ppm (1450ppm is typical)

43
Q

Fluoride recommendations: high risk of caries children (10-16 yrs)

A

2800ppm

44
Q

Fluoride recommendations: High risk of caries over 16 yrs

A

5000pp,

Module 6 Exam (10 decks)

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