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
Main growth site in mandible 1) Gonial angle 2) Body of mandible 3) Condylar cartilage 4) Coronoid process and ramus
OrthodonticsAnswer: 3
Which tooth loss makes greatest change in facial expression 1) Max. incsors 2) Max. canines 3) Max. molars 4) Mand. molars
OrthodonticsAnswer: 2
A 13-year-old child has a serve thumb-sucking habit. On examination, he has a class II malocclusion, anterior open bite with an over jet of 12 mm. His cephalogram will show 1) Normal anterior and posterior facial heights 2) Increased anterior facial height and normal posterior facial height 3) Increased posterior facial height and normal anterior facial height 4) None of the above
OrthodonticsAnswer: 2
Growth completion of basal cranium as compared to jaws 1) Always precedes 2) Always follows 3) Sex dependent 4) Always accompanies
OrthodonticsAnswer: 1
Which of the following is not a feature of simple tongue thrust swallowing 1) Contraction of facial muscle 2) Contraction of mandibular elevators 3) Teeth apart swallow 4) Anterior open bite
OrthodonticsAnswer: 3
Abnormal muscular activity usually is the result in/of 1) Bruxism 2) Nail biting 3) Tongue thrusting 4) Thumb sucking
OrthodonticsAnswer: 3
First evidence of calcification of IInd premolar on radiographs is at 1) Birth 2) 3-4 months 3) 1.5 to 2.5 years 4) After 3 years
