Primary dentition Flashcards

1
Q

How many teeth in primary dentition?

A

20

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2
Q

What is the first eruption of a primary tooth?

A

Mandibular central incisor

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3
Q

The ada recommends the first dental visit how soon and no later than?

A

Within 6 months of first erupted tooth & no later than 1st birthday

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4
Q

T or F primary teeth erupt in pairs and sequence is uniform?

A

True

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5
Q

Do girls or boys shed primary teeth earlier?

A

Girls

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6
Q

First tooth to erupt in permanent dentition?

A

Mandibular 1st molar

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7
Q

what are the spaces between primary present in child called?

A

Primate spaces

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8
Q

Where are primate spaces located?

A

primary Maxillary lateral incisors & canines.
primary mandibular canine and first molar

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9
Q

Why are primate spaces important?

A

They create space necessary for proper alignment of future permanent dentition.

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10
Q

Primary teeth roots are longer or shorter than the tooth crown?

A

divergent longer roots & shorter crown

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11
Q

Features of primary crown at the CEJ?

A

Narrower, constricted making them more bulbous

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12
Q

What is one way to distinguish primary molar vs permanent molar?

A

occlusal is narrower on primary

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13
Q

The contacts on primary molars are ______?

A

Broad & flat

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14
Q

A prominent cervical ridge is present on what surfaces of anterior teeth?

A

Labial & lingual

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15
Q

A prominent cervical ridge is present on _____ surfaces of the molars

A

buccal

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16
Q

A prominent cervical ridge is more present on primary or permanent teeth?

A

primary maxillary 1st molar

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17
Q

Primary molar roots ____ more as they approach the apex?

A

Flare

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18
Q

Roots may also show partial ______ as the teeth being to shed

A

resorption

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19
Q

T or F primary pulp chambers & pulp horns are larger in portion and closer to enamel than those in permanent teeth?

A

true

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20
Q

Do primary or permanent teeth have whiter tone of enamel on crowns?

A

primary

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21
Q

What is the reason for primary teeth having whiter enamel?

A

increased opacity of enamel, which covers underlying yellow dentin.

22
Q

Supervision of ________ must begin early as soon as primary teeth erupt to prevent premature loss of primary teeth

A

homecare procedures

23
Q

Primary dentition functions in ____?

A

Esthetic, mastication & speech

24
Q

How many years does primary dentition function?

A

5-12 years

25
Why are primary 2nd molars important?
Prevents mesial migration of 1st perm molars
26
What is early childhood caries?
Prolonged nightime use of baby bottle w/ cavity causing beverage or sugar on pacificer.
27
What is another name of ECC?
Baby bottle tooth decay
28
Severe perio inflammation and destruction in primary/mixed dention are found with biofilm, locally or generally _________ must be suspected
Aggressive periodontitis
29
Primary anterior teeth are narrower _____ allowing for arch _____?
MD; leeway space
30
Cause for attrition in primary incisors?
Bruxism, possible formation of end to end bite between arches
31
From the Labial aspect Primary central crowns are wider _____ than LC?
MD
32
Primary maxillary central incisors have NO _______ on leaving them smooth?
mamelons
33
Primary teeth rarely have _____ on lingual surface?
developmental depressions, imbrication lines, and no pits
34
The primary lateral is longer ____ than MD?
LC (lingocervially)
35
Which is the smallest primary tooth?
Mandibular central incisor
36
The primary mandibular central incisor crown looks more like _______?
primary Mandibular central lateral
37
The lingual ridge on the primary canine extends from _____to _____?
cingulum to cusp tip
38
A prominent cervical ridge is present on the _____ surfaces?
Buccal
39
Each molar crown is shorter OC than ____?
MD
40
41
The crown of each primary 2nd molar in both arches resemble the _____ of perm dentition that will erupt DISTAL to them?
perm 1st molar
42
What are the 4 cusps on occulsual table of 1st molar?
ML, MB, DB,DL
43
Oblique ridge on max 1st molars extends from?
ML cups & DB cusp
44
Which primary tooth has an H shaped groove pattern?
Maxillary 1st molar
45
Which primary tooth has a cusps of carabelli?
Maxillary 2nd molar
46
What teeth are primary second molars?
A,J,K,T
47
The transverse ridge passes between the ____ and ____cusps on the mand 1st molars?
MB & ML
48
Which is larger the second or primary molar ?
Second molar
49
Why are primary molars more susceptible to fracture during ext procedure?
Greater root spread & narrow shape
50
T or F bacteria causing caries and periodontal disease are transmissable?
True
51
at what age should parents help brush childs teeth till?
8 yr old
52