City And Guilds Dental Nursing Block 2 Practice Test

The eruption date of a deciduous upper lateral incisor is:

9 months 11 months 16 months 24 months

Correct Answer:

11 months

Explanation:

Eruption timing for deciduous teeth follows a general pattern, with each tooth having a typical window. The deciduous maxillary lateral incisor usually erupts after the central incisor, within about 9 to 13 months, with an average around 11 months. This makes 11 months the best single estimate because it sits right in the middle of the common range. Falling at 9 months is possible but earlier than average, while 16 or 24 months lies outside the usual window for this tooth. Individual variation exists, but 11 months is the most representative timing taught for this eruption.

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