Which tooth is first to erupt in lower jaw is?
Correct Answer: Central incisor
Description: Ans. is 'a' i.e., Central incisor First temporary tooth to appear (in primary dentition) is lower central incisors and last temporary tooth to erupt is 2nd molar.The sequence of eruption is lower central incisor > upper central incisor > upper lateral incisor > lower lateral incisor > 1st molar > Canine > 2nd molar.Therefore eurption of temporary teeth is completed by eruption of 2nd molar at 25 months (2 years).
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