Which of the following landmarks are not located in mandible 1) Pogonion 2) Gnathion 3) Menton 4) Porion
OrthodonticsAnswer: 4
The following features are noted in a patient. The mesiobuccal cusp of right upper first molar is aligning in the mesiobuccal groove of right lower first molar. The distobuccal cusp of left upper first molar is aligning in the mesiobuccal groove of left lower first molar. The upper incisors are retroclined. You would like to classify it as 1) Angle"s class I div I subdivision 2) Angle"s class II div I subdivision 3) Angle"s class II div II subdivision 4) Angle"s class III div I subdivision
OrthodonticsAnswer: 3
Mentalis muscle contraction causes the lower lip to 1) Retrude 2) Protrude 3) Inversion 4) Eversion
OrthodonticsAnswer: 2
The term orthodontics was coined by 1) Lefelon 2) Hunter 3) Carabeli 4) Norman kingsley
OrthodonticsAnswer: 1
Optimum orthodontic force, according to Schwartz is 1) 30-60 grams per sq.cm 2) 20-26 grams per sq.cm 3) 20-26 grams per sq.inch 4) 20-26 grams per sq.mm
OrthodonticsAnswer: 2
Which is a new slow type palatal expander 1) NiTi expander 2) Hyrax expander 3) Quad helix 4) Molar rotator
OrthodonticsAnswer: 1
The age up to which thumb sucking is acceptable 1) Below 1 year 2) 2 years 3) 3 to 4 years 4) 5 to 6 years
OrthodonticsAnswer: 3
Who has classified malocclusion based on aetiology 1) Angle 2) Lischer 3) Benett 4) Dewey