Development of Occlusion

Question 1

oclussion is determined by?

Answer 1

eruption sequence, jaw growth, and muscular development

Question 2

faciolingual alignment

Answer 2

balance between tongue and facial muscles (max slightly more facial than mandible)

Question 3

Is max or mand more facial in faciolingual alignment

Answer 3

max slightly more facial than mandible

Question 4

occlusal plane established with eruption of the deciduous 2nd morlars ar?

Answer 4

2 1/2 years

Question 5

at 3 years, the deciduous roots are?

Answer 5

fully formed

Question 6

How many opposing teeth do primary teeth make contact with?

Answer 6

only ONE opposing tooth

Question 7

_______ form between teeth after 3 years, and at 6 years, the permanent molars erupt and start to close theses spaces.

Answer 7

spaces

Question 8

the permanent mandibular first molar is usually _____ to the maxillary first molar

Answer 8

mesial

Question 9

what is mesial step?

Answer 9

the permanent mandibular first molar is usually mesial to the maxillary first molar

Question 10

what is flush terminal plane?

Answer 10

a flush terminal plane s formed in some cases and in others a ‘distal step’ is formed

Question 11

what are the two spaces that allow room for deciduous teeth to be gradually replaced by permanent teeth?

Answer 11

1) primate

2) leeway