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Questions and Answers
At what age do the first teeth in the primary dentition begin to appear?
At what age do the first teeth in the primary dentition begin to appear?
- At about 3 years postnatal
- At about 6 weeks prenatal
- At about 9 months prenatal
- At about 12 months postnatal (correct)
When does the primary dentition become complete postnatally?
When does the primary dentition become complete postnatally?
- At about 12 months postnatal
- At about 6 weeks prenatal
- At about 9 months prenatal
- At about 3 years of age (correct)
What causes loss from the dental caries or trauma in the primary dentition?
What causes loss from the dental caries or trauma in the primary dentition?
- Inadequate calcium intake
- Genetic factors
- Natural shedding
- Poor oral hygiene (correct)
When does the primary dentition typically remain intact, barring loss from dental caries or trauma?
When does the primary dentition typically remain intact, barring loss from dental caries or trauma?
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