Primary dentition

Question 1

How many teeth in primary dentition?

Answer 1

20

Question 2

What is the first eruption of a primary tooth?

Answer 2

Mandibular central incisor

Question 3

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

Answer 3

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

Question 4

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

Answer 4

True

Question 5

Do girls or boys shed primary teeth earlier?

Answer 5

Girls

Question 6

First tooth to erupt in permanent dentition?

Answer 6

Mandibular 1st molar

Question 7

what are the spaces between primary present in child called?

Answer 7

Primate spaces

Question 8

Where are primate spaces located?

Answer 8

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

Question 9

Why are primate spaces important?

Answer 9

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

Question 10

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

Answer 10

divergent longer roots & shorter crown

Question 11

Features of primary crown at the CEJ?

Answer 11

Narrower, constricted making them more bulbous

Question 12

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

Answer 12

occlusal is narrower on primary

Question 13

The contacts on primary molars are ______?

Answer 13

Broad & flat

Question 14

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

Answer 14

Labial & lingual

Question 15

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

Answer 15

buccal

Question 16

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

Answer 16

primary maxillary 1st molar

Question 17

Primary molar roots ____ more as they approach the apex?

Answer 17

Flare

Question 18

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

Answer 18

resorption

Question 19

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

Answer 19

true

Question 20

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

Answer 20

primary

Question 21

What is the reason for primary teeth having whiter enamel?

Answer 21

increased opacity of enamel, which covers underlying yellow dentin.

Question 22

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

Answer 22

homecare procedures

Question 23

Primary dentition functions in ____?

Answer 23

Esthetic, mastication & speech

Question 24

How many years does primary dentition function?

Answer 24

5-12 years

Question 25

Why are primary 2nd molars important?

Answer 25

Prevents mesial migration of 1st perm molars

Question 26

What is early childhood caries?

Answer 26

Prolonged nightime use of baby bottle w/ cavity causing beverage or sugar on pacificer.

Question 27

What is another name of ECC?

Answer 27

Baby bottle tooth decay

Question 28

Severe perio inflammation and destruction in primary/mixed dention are found with biofilm, locally or generally _________ must be suspected

Answer 28

Aggressive periodontitis

Question 29

Primary anterior teeth are narrower _____ allowing for arch _____?

Answer 29

MD; leeway space

Question 30

Cause for attrition in primary incisors?

Answer 30

Bruxism, possible formation of end to end bite between arches

Question 31

From the Labial aspect Primary central crowns are wider _____ than LC?

Answer 31

MD

Question 32

Primary maxillary central incisors have NO _______ on leaving them smooth?

Answer 32

mamelons

Question 33

Primary teeth rarely have _____ on lingual surface?

Answer 33

developmental depressions, imbrication lines, and no pits

Question 34

The primary lateral is longer ____ than MD?

Answer 34

LC (lingocervially)

Question 35

Which is the smallest primary tooth?

Answer 35

Mandibular central incisor

Question 36

The primary mandibular central incisor crown looks more like _______?

Answer 36

primary Mandibular central lateral

Question 37

The lingual ridge on the primary canine extends from _____to _____?

Answer 37

cingulum to cusp tip

Question 38

A prominent cervical ridge is present on the _____ surfaces?

Answer 38

Buccal

Question 39

Each molar crown is shorter OC than ____?

Answer 39

MD

Question 41

The crown of each primary 2nd molar in both arches resemble the _____ of perm dentition that will erupt DISTAL to them?

Answer 41

perm 1st molar

Question 42

What are the 4 cusps on occulsual table of 1st molar?

Answer 42

ML, MB, DB,DL

Question 43

Oblique ridge on max 1st molars extends from?

Answer 43

ML cups & DB cusp

Question 44

Which primary tooth has an H shaped groove pattern?

Answer 44

Maxillary 1st molar

Question 45

Which primary tooth has a cusps of carabelli?

Answer 45

Maxillary 2nd molar

Question 46

What teeth are primary second molars?

Answer 46

A,J,K,T

Question 47

The transverse ridge passes between the ____ and ____cusps on the mand 1st molars?

Answer 47

MB & ML

Question 48

Which is larger the second or primary molar ?

Answer 48

Second molar

Question 49

Why are primary molars more susceptible to fracture during ext procedure?

Answer 49

Greater root spread & narrow shape

Question 50

T or F bacteria causing caries and periodontal disease are transmissable?

Answer 50

True

Question 51

at what age should parents help brush childs teeth till?

Answer 51

8 yr old