Practice questions › BDS / Dentistry › Waraq BDS Review: Orthodontics
Orthodontics: Core Concepts MCQs
Waraq BDS Review: Orthodontics · BDS / Dentistry · 15 practice questions
- Orthodontics
1. Functional appliances are most effective:
- AIn old age
- BDuring the pubertal growth spurt
- COnly in infancy
- DAfter 40
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B. During the pubertal growth spurt Growth modification needs growth.
2. Nickel-titanium archwires are known for:
- ABeing brittle
- BRigidity
- CLow cost only
- DSuperelasticity and shape memory
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D. Superelasticity and shape memory They give light continuous force.
3. Overbite is the:
- ARotation
- BDiastema
- CVertical overlap of upper over lower incisors
- DHorizontal overlap
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C. Vertical overlap of upper over lower incisors Normal is one third of the lower crown.
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