Exposing unerupted teeth

Question 1

at the time of eruption, normally erupting teeth demonstrate a developing root and about …. of final root length completed

Answer 1

3/4

Question 2

unerupted (impacted) teeth have a more … … root when compared to their erupting counterparts

Answer 2

completely developed

Question 3

teeth likely to be impacted other than 3rd molars: most common to least

Answer 3

maxillary canine
mand 1st PM
mand 2nd PM
mand canine
max PMs

Question 4

most impacted maxillary canines are … impacted

Answer 4

palatally

Question 5

buccally or labially impacted canines are often associated with …

Answer 5

arch length deficiency

Question 6

what are the 2 surgical techniques for impacted teeth

Answer 6

open eruption

closed eruption

Question 7

what are the 2 open eruption approaches

Answer 7

window technique

apically positioned flap

Question 8

in a closed eruption, the flap is elevated, ortho appliance applied and then…

Answer 8

flap is closed

Question 9

which technique is better: open or closed eruption

Answer 9

no evidence to support one over the other

Question 10

advantages of closed eruption (3)

Answer 10

rapid healing
less discomfort
less interference w/ fxn

Question 11

disadvantages of closed eruption approach(1)

Answer 11

if bonding of bracket/chain fails, additional surgery needed

Question 12

open eruption advantages (1)

Answer 12

if bracket/chain fails, no additional surgery needed

Question 13

open surgery approach disadvantages (4)

Answer 13

greater discomfort
interference w. fxn
delayed healing
bone exposure