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Pediatric > Growth Dev 2 > Flashcards

Growth Dev 2 Flashcards

1
Q

Bud/initiation stage begins with formation of…

A

dental lamina

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2
Q

Proliferation/cap stage is when…

A

dental lamina proliferates

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3
Q

Problem in bud stage leads to… cap stage?

A

absence odontoma, supernumerary

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4
Q

Histodifferentiation stage is when? After that?

A

end of cap/proliferation Morphodifferentiation

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5
Q

Enamel hypoplasia results from disturbance when?

A

injury of ameloblasts during enamel formation

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6
Q

Hyperdontia is an anomaly of what stage? AKA? Syndromes that display supernumerary teeth?

A

initiation/proliferation stages Supernumerary teeth Apert, Cleidocranial dysplasia, Gardner, Crouzon, Downs

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7
Q
A

cleidocranial dysplasia

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8
Q

Hypodontia prevalent most in primary or permanent?

Most commonly affected tooth?

Conditions assoc. with hypodontia?

A

Permanent

3rd molar

Ectodermal Dysplasia, Crouzons (both), Achondroplasia, Chondroectodermal dysplasia, Clefting

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9
Q
A

Ectodermal Dysplasia

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10
Q

Micro and macrodontia anomalies of what phase?

A

Morphodifferentiation

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11
Q

Conjoined teeth - what 2 types, difference?

A

Gemination - division of single tooth germ - bifid tooth with one root

Fusion - union of two independently developing teeth - two pulp chambers

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12
Q

Dens in dente is what

A

invagination of inner enamel epithelium

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13
Q

Talon cusp is what

A

evagination of enamel epithelium and focal hyperplasia of pulp mesenchyme

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14
Q

Dense in dente/dense evaginus/talon cusp are examples of anomalies of what process

A

morphodifferentiation

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15
Q

Taurodontism is anomaly of what process? What is it?

Assoc with what syndrome?

A

Morphodifferentiation

Failure of invagination of hertwigs root sheath

Klinefelter

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16
Q

What is

A

Taurodontism

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17
Q

Amelogenesis Imperfecta is abnormality of what process

A

histodifferentiation

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18
Q

Dentinogenesis Imperfecta is abormality of what process?

Three types?

Syndromes assoc with DI

A

histodifferentiation

Shields 1: least severe, Osteogenesis Imperfecta

Shields 2: hereditary opalescent, no OI

Shields 3: most severe, shell teeth

Osteogenesis imperfecta, ehler-danlos

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19
Q
A

Dentinogenesis Imperfecta

20
Q
A

dentinogenesis imperfecta

21
Q

Enamel hypoplasia anomaly of what process?

Environmental factors?

Genetic?

A

Apposition

Environment - physiologic (vit deficiency), infectious (apical infection of primary, syphilis, rubella, Rh), trauma, iatrogenic (tetracycline)

Genetic - AI

22
Q

Whats an enamel pearl? May contain what?

A

When cells of epithelial root sheath remain attached to dentin, differentiate into ameloblasts and produce enamel

May contain dentin and pulp

23
Q

Dentin dysplasia results in…

A

rootless/short rooted teeth

obliterated pulp chambers

24
Q

Enamel and dentin dysplasia are anomalies in?

A

apposition

25
Q
A

Dentin dysplasia

26
Q

Regional odontodysplasia aka?

Anomaly of what process?

Appearance?

A

Ghost teeth

apposition

thin enamel shell, large pulps, fail to erupt

27
Q
A

Regional Odontodysplasia

28
Q

Whats this and what is it anomaly of?

A

apposition - cementum structure

29
Q

Hypophosphatasia due to?

Leads to production of little?

Effect on primary teeth?

A

Lack of serum alkaline phosphatase

Little cementum produced

Early exfoliation of primary teeth with little/no root resorption

30
Q

Extrinsic staining etiology for…

Green

Yellow

Black

Brown

A
31
Q

Etiology for intrinsic generalized staining

Grey-Brown

Yellow-brown

Green-blue

Blue-brown

Red-brown

White

A
32
Q

Intrinsic staining with localized staining

Yellow/brown

white

pinik

grey/blk

A
33
Q

Chronologic staining

Bright yellow/grey

Yellow/brown›

A
34
Q

Natal vs neonatal tooth?

A

natal - present at birth

Neonatal - present within 30d

35
Q

What is ankylosis?

Precipitating factors (3)?

most common tooth?

Sequelae (3)

A

Fusion of cementum with alveolar bone

Trauma, localized infection, history of tooth replantation

Most comon mandibular molars

Deflection of erupting teeth, impacted premolar, loss of arch length

36
Q
A

Ectopic reuption

37
Q

Cleidocranial dystosis dental manifestations (3)

A

delayed eruption of permanent teeth

Supernumerary teeth

Gemination and dilaceration of primary

38
Q

Ectodermal dysplasia two main types?

Symptoms?

Dental Tx?

A

Anhidrotic, and hydrotic

Triad of symptoms: Hypodontia, Hypotrichosis (no hair), Hypohydrosis (no sweat)

Restore form and function

39
Q

Down syndrome dental manifestations, dental tx?

A

Hypodontia, microdontia, Enlarged tongue

May need heart prophylaxis, periodontal care

40
Q

Pierre Robin syndrome oral manifestations, dental tx?

A

Tongue posture - difficulty breathing/swallowing

Cleft of secondary palate

Congenital heart defects

Tx: correct cleft, heart abx prophylaxis

41
Q

Crouzon’s defining characteristics? Dental manifestations?

A

Exophthalmic eyes and opic nerve dmg

Parrot beak nose

Enlarged tongue, hyper or hypodontia

42
Q

Aperts syndrome characteristic features?

A

Cleft palate, V-shaped palatal arch, severe crowding

Anterior open bite, anterior and posterior cross bite

Supernumary teeth

Delayed eruption of teeth

43
Q

Hemifacial microsomia is when?

A

unilateral non-development

44
Q

Cleft lip happens when?

A

5th week in utero

45
Q

Cleft palate happens when?

A

7th week in utero

46
Q

Ankylosis treatment

A

extraction at normal eruption time unless doing something bad. Before that, can be built up with SSC or composite. Should put space maintainer if removed prematurely

Pediatric (5 decks)

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