If a succedaneous tooth fails to erupt, corresponding primary molar 1) Will resorb quickly 2) May remain untill 30 years 3) Will resorb and exfoliate as usual 4) Submerge in later life
OrthodonticsAnswer: 2
In Begg"s technique, extraction spaces are closed in 1) Stage I 2) Stage II 3) Stage III 4) None of the above
OrthodonticsAnswer: 2
Which is a new slow type palatal expander 1) NiTi expander 2) Hyrax expander 3) Quad helix 4) Molar rotator
OrthodonticsAnswer: 1
In Peck & Peck analysis, the mesiodistal dimension of which teeth is taken into consideration 1) Lower incisors 2) Upper incisors 3) Premolars 4) Canines
OrthodonticsAnswer: 1
Tooth movement easily accomplished by removable appliances 1) Tipping 2) Bodily 3) Torquing 4) Expansion
OrthodonticsAnswer: 1
Pendulum appliance is 1) Intraoral appliance for distalisation of molars 2) Intraoral appliance for slow expansion of arch 3) Intraoral appliance for rapid expansion of arch 4) Intraoral appliance for uprightining of molars
OrthodonticsAnswer: 1
If during an application of an orthodontic force, the level declines to zero between activations then the force duration is classified as 1) Continuous force 2) Interrupted force 3) Intermittent force 4) Differential force
OrthodonticsAnswer: 3
A radiograph of a 4-year-old child reveals no evidence of calcification of mandibular second premolar. This indicates 1) It is too early to make a final prediction 2) The teeth may develop later 3) The child may never develop second premolar 4) None of the above
