As age advances, the human profile generally 1) Remains the same 2) Increases in convexity 3) Decreases in convexity 4) Decreases in concavity
OrthodonticsAnswer: 3
Beta titanium, an excellent choice for auxillary springs is nothing but: 1) Nitinol 2) TMA 3) Stainless steel 4) Sentinol
OrthodonticsAnswer: 2
Who has developed cephalometrics 1) Broadbent 2) Bjork 3) Buonocore 4) Begg
OrthodonticsAnswer: 1
If tooth is to be translated, appliance should exert 1) Continuous forces 2) Moment of forces 3) Intermittent forces 4) Interrupted forces
OrthodonticsAnswer: 2
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
Calcification of first permanent molars starts at 1) 1.5 weels IU life 2) At birth 3) 6 months after birth 4) 2.5 years after birth
OrthodonticsAnswer: 2
Functional cranial component concept was developed by 1) Melvin Moss 2) Scott 3) Van der Klaus 4) Van Limborgh
OrthodonticsAnswer: 2
Eruption of teeth is delayed in all of the following except 1) Hypothyroidism and cleidocranial dysplasia 2) Acromegaly and hyperthyroidism 3) Rickets and cherubism 4) Cretinism and dentigerous cysts