occlusion

Question 1

key of occlusion

Answer 1

first molar, first to erupt and develop

Question 2

normal jaws

Answer 2

orthogonic profile

Question 3

maxilla retrudes(back(

Answer 3

retrognathic profile (class 2)

Question 4

maxilla protrudes (front)

Answer 4

prognathic (class 3) anterior cross bite

Question 5

normal centric occlusion

Answer 5

each tooth contacts two teeth of the other arch except lower 1 and upper 8

Question 6

horizontal overlap

Answer 6

overjet

Question 7

vertical overlap

Answer 7

overlap (over bite)

Question 8

lee way space

Answer 8

space between deciduous molars and permanent premolars left for jaw growth (2-4 mm)

Question 9

malo occlusion forms

Answer 9

overcrowding, anterior open bite, crossbite