Preventive Resin Restoration

Question 1

alternative procedure for restoring young permanent teeth

Answer 1

preventive resin restoration

Question 2

minimal tooth prep for caries removal but have adjacent susceptible fissures

Answer 2

preventive resin restoration

Question 3

removing only carious tooth structure in small class I cavities

Answer 3

preventive resin restoration

Question 4

types of PRR

Answer 4

• Type A
• Type B
• Type C

Question 5

PRR Type:

suspicious P and F where caries removal is limited to enamel

Answer 5

Type A

Question 6

PRR Type:

unfilled resin/sealant

Answer 6

Type A

Question 7

PRR Type:

incipient lesion in dentin that is small and continued

Answer 7

Type B

Question 8

PRR Type:

mixture of sealant and filled resin

Answer 8

Type B

Question 9

PRR Type:

characterized by the need for greater exploratory prep in dentin; larger than other types

Answer 9

Type C

Question 10

PRR Type:

unfilled followed by filled resin

Answer 10

Type C

Question 11

essential in removing carious dentin

Answer 11

adequate access to underlying dentin

Question 12

does not need to be removed if access and vision are clear

Answer 12

unsupported enamel

Question 13

cross section shape of removing carious dentin for PRR

Answer 13

tear drop shaped

Question 14

used to obtain access to questionable fissures

Answer 14

high speed diamond bur

Question 15

used to remove deeper dentinal caries

Answer 15

low speed round bur

Question 16

seconds for light curing GIC liner

Answer 16

40 seconds

Question 17

where to place GIC liner

Answer 17

over dentin, extending up to DEJ

Question 18

why it is not necessary to etch GIC liner

Answer 18

sufficient roughening of GIC results from the washing process

Question 19

occurs when excess resin is applied

Answer 19

• produce pooling
• reduce integrity of bond

Question 20

kind of resin sealant used over restoration

Answer 20

opaque unfilled fissure sealant

Question 21

seconds for curing resin sealant

Answer 21

20 seconds