Elastics are used in fixed appliances 1) To correct class II molar relation 2) To correct class III molar relation 3) Directly attached to appliance components 4) All of the above
OrthodonticsAnswer: 4
The adams clasp is made of 1) 24 mil wire 2) 28 mil wire 3) 23 mil wire 4) 22 mil wire
OrthodonticsAnswer: 2
After age of six, the greatest increase in size of mandible occurs 1) Distal to first molar 2) Along the lower border of mandible 3) At the symphysis 4) At the canine region
OrthodonticsAnswer: 1
Who is the founder of functional regulator 1) Pierre Robin 2) Andrews 3) Frankel 4) Anderson
OrthodonticsAnswer: 2
Growth of oral structures is mainly influenced by factors 1) Hereditary 2) Environment 3) Hereditary influenced by environmental 4) None of the above
OrthodonticsAnswer: 3
"Epigenetic factors" controlling the growth of skeleton are 1) Genetic factors present within the skeleton 2) Genetic factors present outside the skeleton 3) Local non-genetic factors 4) General non-genetic factors
OrthodonticsAnswer: 2
Scammon"s growth curve-False is 1. Neural tissue-Most of the growth is complete by 6 years 2. Lymphoid tissue-growth reaches 200% by age 13 and regresses afterwards 3. Genital tissues-most of the growth is completed by the age of puberty 4. None of the above
OrthodonticsAnswer: 3
The relative mesial or distal angulations of the crown and the root along the line of occlusion is called 1) Torque 2) Tip 3) Offset 4) Inclination of teeth
