BCOC Penang Module 3 Quiz 2

Resistance to tooth movement is?

• Friction

• Binding

• Notching

• All of the Above

Stronger force on teeth equals to faster tooth movement?

• True

• False

In moderate anchorage, posterior teeth are allowed to drift up to _______?

• 25% of Extraction Space

• 50% of Extraction Space

• 75% of Extraction Space

• All of the Extraction space

Anchorage loss occurs faster in the maxilla

• True

• False

Orthodontic force needs to be sustained AT LEAST for how long before successful orthodontic tooth movement occurs?

• 3 hours

• 6 hours

• 9 hours

• 12 hours

Effective tooth movement occurs with more undermining resorption

• True

• False

Optimal orthodontic force SHOULD NOT exceed

PDL capillary bed blood pressure of ______

• 10-15gm/cm2 of root surface

• 15-20gm/cm2 of root surface

• 20-25gm/cm2 of root surface

• 25-30gm/cm2 of root surface

White spot lesion can occur within _____

• 1 Day

• 3 Days

• 1 week

• 4 weeks

1mm Transverse expansion in inter-molar width results in arch depth of ______

• 1mm

• 0.5mm

• 1.5mm

• 2.0mm

1mm AP movement of incisors will create/consume _____mm within the dental arch on both sides?

• 0.5mm

• 1.0mm

• 1.5mm

• 2.0mm