Overbite-Openbite Flashcards by Michael McMahan | Brainscape

Q

Amount of overlap of the lower
incisors by the central incisors

A

Overbite

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Q

What is considered normal overbite?

A

20% plus or minus 5%

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Q

Etiological factors
1. Overeruption of upper incisors
2. Overeruption of lower incisors
3. Undereruption of lower posterior teeth
4. Genetic development ( Cl II Div 2)

A

Overbite

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Q

If the the % of overbite is greater than __%, invisalign isn’t a great option

A

50%

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Q

Which etiology of open bite requires surgery?

A

Genetic

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