Lecture 9 Flashcards
T/F thumb-sucking is a conscious choice patients make
false
- hard habit to break
- may need an appliance to break habit
Ortho appliances make finger sucking ______ or ______ to remind px to stop it
weird or painful
sucking habits can cause what 2 things?
1-narrow maxillary arch
2-bilateral posterior crossbite
Maxillary and mandibular incisors will move in what directions to accommodate finger sucking?
max: flare buccally
mand: recline lingually
*cause anterior open bite
if the hand rests on a finger-suckers chin, what happens?
can cause retarded growth resulting in class 2 profile
What causes crenated tongue?
compression of tongue against adjacent teeth
*aka scalloped tongue
T/F if px don’t manage their tongue habits, relapse is common
true
tongue pressure can cause _______, _____, and _____ loss
root, bone, gingiva
many ortho options are only present when ______ is occuring
growth and potential of growth
*surgery after growth
Ortho forces applied to teeth have the potential to radiate ______
outward
*affects distinct locations
what kind of pressure would decrease the growth of the bone?
resisting pressure
adding forces that pull the max or mand downward and forward should ________ their growth
increase
where do extra oral forces applied to the maxillary teeth go?
sutures of the maxilla
what directions does an occipital pull head gear restrict?
anterior/posterior and vertical dimensions
what’s the point of restricting maxillary growth?
allows for the mandible of someone in a class 2 to “catch up”
