D:-Crown inclination
Correct Answer:- Option-D
Question78:-Active components of removable appliance includes all except
A:-Clasps
B:-Bows
C:-Springs
D:-Elastics
Correct Answer:- Option-A
Question79:-Alterations in fluid dynamics in the periodontal ligament leads to tooth moment. This theory is called
A:-Pressure tension theory
B:-Blood flow theory
C:-Bone bending piezoelectric theory
D:-None of the above
Correct Answer:- Option-B
Question80:-Wunderer's modification of activator is mostly used in the treatment of
A:-Class | malocclusion
B:-Class Il malocclusion
C:-Class Il malocclusion
D:-Open bite
Correct Answer:- Option-C
Question81:-Lower lingual springs in Frankel appliance are used to
A:-To prevent supra-eruption of upper incisors
B:-To prevent supra-eruption of lower incisors
C:-To prevent supra-eruption of upper molars
D:-To prevent supra-eruption of lower molars
Correct Answer:- Option-B
Question82:-Box elastics are used in comecting
A:-Open bite
B:-Cross Bite
C:-Deep bite
D:-None of the above
Correct Answer:- Option-A
Question83:-Headgear deriving anchorage from the parietal region of the cranium is called
A:-Cervical headgear
B:-Occipital headgear
C:-Combination headgear
D:-Vertical pull headgear
Correct Answer:- Option-D
Question84:-In twin block, angulation of inclined plane to the occlusal plane is
A:-70 degrees
B:-80 degrees
C:-90 degrees
D:-35 degrees
Correct Answer:- Option-A
Question85:-Passive components of a fixed appliance include all except
A:-Bands
B:-Brackets
C:-Arch wires
D:-Lock pins
Correct Answer:- Option-C
Question86:-Pellots of Frankel appliance are also called as
A:-Lower lingual springs
B:-Lingual crossover wire
C:-Lower lingual pads
D:-Lip pads
Correct Answer:- Option-D
Question87:-Four basic bends in making wire components of orthodontic appliance includes all except
A:-Obtuse bend
B:-Right angle bend