In the maxilla, which tooth tends to shed first due to the exception?

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Get ready for the Tooth Development and Shedding Test. Utilize flashcards and multiple-choice questions with hints and explanations. Enhance your preparation and ace the exam effortlessly!

Multiple Choice

In the maxilla, which tooth tends to shed first due to the exception?

Explanation:
Exfoliation of primary teeth happens as the roots are resorbed by the erupting permanent teeth. In the upper jaw, an exception occurs: the deciduous second molar often sheds first because the eruption of the first permanent molar around age six resorbs its root. This resorption loosens the maxillary deciduous second molar earlier than the other primary teeth, so it is the first to shed. The remaining deciduous teeth shed later as their permanent successors erupt and drive further root resorption.

Exfoliation of primary teeth happens as the roots are resorbed by the erupting permanent teeth. In the upper jaw, an exception occurs: the deciduous second molar often sheds first because the eruption of the first permanent molar around age six resorbs its root. This resorption loosens the maxillary deciduous second molar earlier than the other primary teeth, so it is the first to shed. The remaining deciduous teeth shed later as their permanent successors erupt and drive further root resorption.

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