Ratio of upper face height to lower facial height 1) 45:55 2) 55:45 3) 50:50 4) 60:40
OrthodonticsAnswer: 1
Permanent retainer is sometimes needed in cases of 1) Severe malocclusion 2) Anterior crossbite 3) Severe rotations 4) Transposition
OrthodonticsAnswer: 3
Which of the following gives a complete picture of malocclusion in a patient 1) Simon 2) Ackermann 3) Dewey 4) Angle
OrthodonticsAnswer: 2
Reverse headgear (maxillary protraction headgear) is used mainly 1) To retract maxilla in maxillary skeletal protrusion 2) To induce the growth of maxilla in skeletal retrusion 3) To inhibit the growth of mandible in class III skeletal relation 4) To induce the growth of mandible in class III skeletal relation
OrthodonticsAnswer: 2
Tongue to "lip seal" is seen in 1) Competent lips 2) Incompetent lips 3) Steep mandibular plane angle 4) Upper incisors are retroclined
OrthodonticsAnswer: 2
Which of the following is related to occipital anchorage 1) Intraoral force 2) Tipping a tooth 3) Extraoral force 4) Bodily movement of anchor
OrthodonticsAnswer: 3
Which of the following is a MISMATCH? 1) Bolton point: Highest point on the concavity behind occipital condyles 2) Gonion: Anterior point of the angle of the mandible 3) Orbital: Lower point on the left infraorbital margin 4) None of the above
OrthodonticsAnswer: 2
If maxillary canines are placed forward to orbital plane, they are said to be in 1) Protraction 2) Retraction 3) Abstraction 4) Contraction
