Da Questions???

[cutedoc12]

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hi there...can anyone plzz EXPLAIN answers to these questions??????

>contact areas bw POST teeth in normal alignment aid in preventing
( ans: rotation n mesial drift)........
shudnt b only mesial drift??? do post teeth hv tendency to rotate??

>abnormal swallowin may produce wich type of malocc???
(ans:ant opn bite) ....how????

>based on da morphology a mesio-occ class 2 cavity prep wud b most difficlt on wich of da followin molars????
prim mand 1
prim mand 2
perm mand 1
perm max 2.........(ans: prim mand 1)
is it due to markd cervical bulge or any othr reasn??????

>bennet shift usually has an effect on da mesio-distal positions of wich molar cusps????........(ans: all cusps)......how???

 

[Lidopaine82]

hi there...can anyone plzz EXPLAIN answers to these questions??????

>contact areas bw POST teeth in normal alignment aid in preventing
( ans: rotation n mesial drift)........
shudnt b only mesial drift??? do post teeth hv tendency to rotate??

>abnormal swallowin may produce wich type of malocc???
(ans:ant opn bite) ....how????

>based on da morphology a mesio-occ class 2 cavity prep wud b most difficlt on wich of da followin molars????
prim mand 1
prim mand 2
perm mand 1
perm max 2.........(ans: prim mand 1)
is it due to markd cervical bulge or any othr reasn??????

>bennet shift usually has an effect on da mesio-distal positions of wich molar cusps????........(ans: all cusps)......how???

ok, it would help if these questions weren't such a jumbled mess.

2. Abnormal swallowing= tongue thrusting. that would cause an anterior open bite.

 

[docnc]

hi there...can anyone plzz EXPLAIN answers to these questions??????

>contact areas bw POST teeth in normal alignment aid in preventing
( ans: rotation n mesial drift)........
shudnt b only mesial drift??? do post teeth hv tendency to rotate??

yes, posterior teeth rotate too thats why fiberotomy is done in fixed orthodontic treatment sometimes so as to reduce the tendency for relapse of tooth rotations corrected by orthodontic treatments.


>abnormal swallowin may produce wich type of malocc???
(ans:ant opn bite) ....how???? tongue thrusting

>based on da morphology a mesio-occ class 2 cavity prep wud b most difficlt on wich of da followin molars????
prim mand 1
prim mand 2
perm mand 1
perm max 2.........(ans: prim mand 1)
is it due to markd cervical bulge or any othr reasn?????? no it is because of the high pulp horn in primary mandibular 1st molar on mesial side.

>bennet shift usually has an effect on da mesio-distal positions of wich molar cusps????........(ans: all cusps)......how???

all the cusps cause it occurs during lateral excursive movements in which the working side condyle bodily shifts laterally.

 

[utahdentist2be]

ok, it would help if these questions weren't such a jumbled mess.

2. Abnormal swallowing= tongue thrusting. that would cause an anterior open bite.

Geez, so cranky! Someone must be getting ready for their board exam on December 11.

 

[cutedoc12]

thnx a lot docnc n lidopaine82