Class I

Question 1

______% of children have tooth decay before they reach kindergarten

Answer 1

40%

Question 2

if a child has a restricted nutritional intake, altered growth and development, and/or can’t participate in life activities they are said to have

Answer 2

dental disability

Question 3

T/F restorations last forever

Answer 3

False. restorations have a finite lifespan

Question 4

what does contemporary management include?

Answer 4

-risk assessment
-understanding disease process for that individual
-active caries surveillance to assess disease progression and manage with preventive services, supplemented with restorative when necessary

Question 5

when evaluating when to restore what should the clinical criteria include?

Answer 5

-visual detection of enamel cavitations of shadowing of the enamel and/or
-radiographic recognition of the enlargement of lesions over time
-eval how long the tooth will remain present

Question 6

what are the benefits of restorative therapy?

Answer 6

-removing cavitations/defects to eliminate areas that can get caries

-stopping the progression of demineralization

-restoring integrity of tooth structure

-preventing spread of infection into dental pulp

-preventing shifting of teeth due to loss of tooth structure

Question 7

what are the risks of restorative therapy

Answer 7

-reducing longevity of teeth by increasing susceptibility to fracture
-recurrent lesions
-restoration failures
-pulp exposure during excavation
-future pulpal complications
-Iatrogenic damage to adjacent teeth

Question 8

what are some considerations in restoring of primary dentition?

Answer 8

pt’s age
caries risk assessment
morphology of primary teeth
parental wishes

Question 9

the _____ & _____ surfaces of the primary form a prominent bulge just occlusal to gingival margin

Answer 9

Buccal & Lingual

Question 10

T/F primary teeth have thinner enamel and dentin layers when compared to permanent

Answer 10

True

Question 11

Primary crowns have ____________ contact areas b/w primary molars

Answer 11

broad flat

Question 12

T/F primary teeth have nearly the same mineral content as permanent teeth

Answer 12

True

Question 13

The pulps of primary teeth are _________ than that of the permanent tooth in relation to crown size

Answer 13

larger

Question 14

the pulps of primary teeth are __________ to the outer surface of the tooth vs permanent

Answer 14

closer

Question 15

what pulp horn is pronounced occlusally in primary molars

Answer 15

mesial

Question 16

what will there usually be under each cusp of a primary molar?

Answer 16

a pulp horn

Question 17

the roots of primary molars are _______ and more ________ in relation to crown size

Answer 17

longer, slender

Question 18

canals of primary molars are __________ and more tortuous

Answer 18

ribbon-like

Question 19

what will the primary molars do as they approach the apex? why?

Answer 19

flared. to accommodate the permanent tooth underneath

Question 20

what will rounded internal line angles do for class I preps of primary teeth

Answer 20

decrease stress in tooth by 40%

Question 21

what will incrasing the width of the isthmus or depth of the pulpal floor do for class I preps of primary teeth

Answer 21

decrease the stresses in restoration

Question 22

what do the grooves and roughness on the surface of the class II preps do on primary molars?

Answer 22

increase or concentrate the stress in restoration

Question 23

what do buccal and lingual walls that converge toward the occlusal surface do for class I preps of primary teeth

Answer 23

decrease marginal fractures

Question 24

what angles are difficult to condense into?

Answer 24

acute or sharp angles

Question 25

what are the most caries susceptible teeth regarding morphology in primary molars?

Answer 25

deep occlusal fissures and broad flat interproximal contacts

Question 26

in #L and #S where would you expect to see an exposure?

Answer 26

the MB

Question 27

the primary enamel is _______ as thick as the permanent enamel

Answer 27

1/2

Question 28

what is the overall prep depth?

Answer 28

1.5 mm