Question 218 · LDEK · Epidemiology and risk assessment
The so called “transmission” of carious bacteria takes place intermittently and in a particular period of child’s life that is called a “window of infectivity”. There are two such “windows of infectivity”. The second “window of infectivity” occurs between:
- A. 6 and 12 month of life, most commonly at 10 month of life.
- B. 19 and 31 month of life, most commonly at 26 month of life.
- C. 5 and 6 year of life.
- D. 6 and 12 year of life.
- E. 10 and 13 year of life.
Hint
The first window coincides with eruption of the primary molars; the second coincides with eruption of the permanent dentition.
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