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Questions and Answers
Which teeth normally erupt last in the mouth?
Which teeth normally erupt last in the mouth?
- Second molars
- Third molars or wisdom teeth (correct)
- Canines
- Incisors
Why are wisdom teeth called 'wisdom teeth'?
Why are wisdom teeth called 'wisdom teeth'?
- Because they are the first teeth to erupt in a person's lifetime
- Because they are the smallest teeth in the mouth
- Because they erupt around the time when the youth goes off into the world to become 'wise' (correct)
- Because they are directly related to a person's intelligence
What do periapical radiographs help in detecting?
What do periapical radiographs help in detecting?
- Jaw fractures and salivary gland abnormalities
- Gum disease and root canal infections
- Caries and bone height at the level of second molar (correct)
- Tooth discoloration and gum recession
At what age do wisdom teeth normally erupt?
At what age do wisdom teeth normally erupt?
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What does an occlusal X-ray help to show?
What does an occlusal X-ray help to show?
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What additional information should radiographic examination provide?
What additional information should radiographic examination provide?
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Why are periapical radiographs considered more discriminating than OPG?
Why are periapical radiographs considered more discriminating than OPG?
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