QUIZ - Fixed appliances Flashcards
Taken from Moodle
Which is true in relation to the properties of fixed appliances?
a.
Provides root control, good intrinsic anchorage, difficult to clean
b.
Provides root control, less dependent on patient compliance, poor intrinsic anchorage
c.
Provides root control, good for achieving complex tooth movements, easy to clean
d.
Provides tooth tipping, good for rotational control, good intrinsic anchorage
e.
Good for tipping teeth, poor rotational control, less dependent on patient compliance
b.
Provides root control, less dependent on patient compliance, poor intrinsic anchorage
For which of these malocclusions would you provide a fixed retainer?
a.
Generalised spacing with upper midline diastema
b.
Anterior open bite treatable with fixed appliances and TAD’s
c.
Class II Division II malocclusion with palatally impacted canines
d.
Class I malocclusion with crowding in both arches and rotated UR2,UR1,UL1,UL2
All
Which of the following appliance components does not provide anchorage?
a.
Inter-maxillary elastic
b.
Palatal arch
c.
Osseo-integrated mini-screw
d.
Baseplate of an upper removable appliance
e.
Molar band
Which of the materials is not used to manufacture orthodontic brackets?
a.
Cobalt Chromium
b.
Gold
c.
Stainless Steel
d.
Nickel titanium
e.
Ceramics
d.
Nickel titanium
Titanium has been used - not NiTi
Which statement is true in relation to torque and fixed appliances?
a.
Torque can be best delivered to the teeth on a round wire in a rectangular bracket slot because there is less friction
b.
Torque is the angulation of the tooth in a bucco-lingual direction
c.
Torque is the angle the tooth makes to the horizontal along the line of the arch
d.
Torque is put into the wire by the orthodontist at the very start of a course of appliance treatment
e.
Torque is determined by the thickness of the bracket base
b.
Torque is the angulation of the tooth in a bucco-lingual direction
