occlusion Flashcards
1
Q
key of occlusion
A
first molar, first to erupt and develop
2
Q
normal jaws
A
orthogonic profile
3
Q
maxilla retrudes(back(
A
retrognathic profile (class 2)
4
Q
maxilla protrudes (front)
A
prognathic (class 3) anterior cross bite
5
Q
normal centric occlusion
A
each tooth contacts two teeth of the other arch except lower 1 and upper 8
6
Q
horizontal overlap
A
overjet
7
Q
vertical overlap
A
overlap (over bite)
8
Q
lee way space
A
space between deciduous molars and permanent premolars left for jaw growth (2-4 mm)
9
Q
malo occlusion forms
A
overcrowding, anterior open bite, crossbite
