operative dentistry

Question 1

what is a direct restoration?

Answer 1

restoration completed in a single visit.

Question 2

what is an indirect restoration?

Answer 2

restoration created outside the mouth and completed in 2 visits

Question 3

why are teeth restored?

Answer 3

caries, aesthetics, NCTSL, failed restorations

Question 4

what are the aims of restorations?

Answer 4

to restore: integrity, aesthetics, function and to remove disease

Question 5

how would you treat a stained fissure with decalcified enamel

Answer 5

sealant restoration

Question 6

how would you treat occlusal caries if no evidence of dentine involvement

Answer 6

monitor

Question 7

in what circumstances do you always restore a tooth?

Answer 7

when cavitated unless cervical and self cleansing

Question 8

if there is radiographic evidence of caries proximally into enamel how would you manage it?

Answer 8

monitor and prevent

Question 9

if there is radiographic evidence of caries proximally at the ADJ l how would you manage it?

Answer 9

monitor and prevent

Question 10

if caries is present in the outer 50% of dentine aproximally how would you manage it?

Answer 10

monitor and prevention

Question 11

if caries is present in the inner 50% of dentine aproximally how would you manage it?

Answer 11

restore

Question 12

management of sound and stained cervical enamel?

Answer 12

leave

Question 13

management of stained and decalcified cervical enamel

Answer 13

arrestable? yes- monitor no - restore

Question 14

describe micro-preparation techniques

Answer 14

handpieces and burs of reduced size, aids in keeping any preparation cavities to minimum, used with magnification

Question 15

describe chemomechanical caries removal

Answer 15

application of sodium hypochlorite (0.5%) carisolv then blased handpieces to excavate
only use for visible carious dentine.

Question 16

describe sonic tooth preparation

Answer 16

handpieces works by vibration rather than rotation

can make tooth prep very percise

Question 17

describe air abrasion

Answer 17

aluminium oxide particles sprayed through a fine angled nozzle- cuts through tooth tissue creating a saucer shaped cavity

Question 18

describe laser preparation

Answer 18

soft and hard tissue removal, in early stages more evidence required

Question 19

describe ozone preparation

Answer 19

bacteria in caries identified with laser delivers O2 kills acidogenic bacteria.

Question 20

what is ART

Answer 20

atraumatic restorative treatment by hand excavations and GI