BCOC Penang Module 4 Quiz 3

Where is the ideal position for bracket placement with a standard torque bracket?

• Facial axes of clinical crown

• Cervically nearer to the gum

• Incisally nearer to the incisal edges

Two teeth or resistance units of equal size pulling against each other is which form of anchorage?

• High Anchorage

• Reciprocal anchorage

• Absolute Anchorage

• No Anchorage

Cephalometric is useful in assessing which of the following relationship?

• Tooth to Bone relationship

• Bone to Tooth relationship

• Tooth to Tooth relationship

• All of the above

Convex facial profile is associated with?

• Class I Skeletal Relationship

• Class II Skeletal Relationship

• Class III Skeletal Relationship

• Class IV Skeletal Relationship

Moment is define as -

• Mass X distance from centre of rotation
• Acceleration X distance from centre of rotation
• Velocity X distance from centre of rotation
• Force X distance from centre of rotation

Minimum anchorage is define as

• 1/3 of extraction space is use by movement of anchor unit

• Half of extraction space is use by movement of anchor unit

• 2/3 of extraction space is use by movement of anchor unit

• All of extraction space is use by movement of anchor unit

Prognathic profile is seen in patients with

• Class I Skeletal Pattern

• Class II Skeletal Pattern

• Class III Skeletal Pattern

• Class IV Skeletal Pattern

Absolute anchorage means

• 1/3 Anchorage Lost

• 2/3 Anchorage Lost

• All Anchorage Loss

• No anchorage Loss

Aesthetic Brackets refer to:

• Conventional Brackets

• Ceramic Brackets

• Self-Ligating Brackets

• Clear Aligners

Initial alignment wire needs to be:

• Light force

• Super Elastic

• Good Shape Memory

• Round size wire