INBDE (Integrated National Board Dental Examination) Practice Exam

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Which of the following is a contraindication for nitrous sedation in kids?

  1. Being <2 yrs old

  2. Having primary teeth only

  3. Recent antibiotic use

  4. Minor cold symptoms

The correct answer is: Being <2 yrs old

Nitrous sedation in kids is generally safe and effective, however, there are certain contraindications that should be considered before administering the sedative. One such contraindication is being under 2 years old. This is because younger children may not be able to fully cooperate with the administration of the sedative gas, and may not be able to communicate any discomfort or adverse effects. Option B, having only primary teeth, is not a contraindication for nitrous sedation as primary teeth also require dental procedures and may cause anxiety in young children. Option C, recent antibiotic use, is not a contraindication for nitrous sedation but it should be taken into consideration as some antibiotics can increase the effects of nitrous oxide. Option D, minor cold symptoms, is also not a contraindication for nitrous sedation unless the child is experiencing severe congestion or respiratory distress. In such cases, the child should not receive sedation until they have fully recovered.