Orthodontic Assessment Flashcards
Prognathism
protrusion of jaw (upper or lower) out of facial plane
Hypoplasia
incomplete/ underdevelopment of organ or tissue
orthognathic surgery
jaw surgery
how many live births do cleft lips and palates affect
1 in 700
functions of removable appliances
tip teeth , open bites and maintain space
function of functional appliances
modify jaw growth
function of fixed appliances
allow 3D control of tooth positioning
Risks assosciated with orthodontics
decalcification , replapse, root resorption , pain , soft tissue trauma
when should a brief and comprehensive orthodontic examination be carried out in children
Age 9 a brief examination to identify anything abnormal
Age 11/12 when canines and pre molars have erupted an comprehensive examination should be carried out
what are the 6 (7) keys to an ideal occlusion
I: molar relationship - upper 6 mesial cusp should be in groove of lower 6
II: crown angulation
III: crown inclination
IV: no rotation
V: no spaces
VI: flat occlusal planes (no curve of spee)
VII: correct teeth size
why cant patients scheduled to get MRIs get braces
risk to patient and MRI machine due to magnetics
name 2 bad habits that may see proclined upper teeth
digit sucking
sucking lip
name a bad habit that may result in an anterior open bite
tongue thrusting
name a bad habit that may result in resoprtion of upper roots
chewing/ biting nails
lip trap
upper teeth rest on lower lip
