Which teeth do not have to deal with baby teeth during eruption?

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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

Which teeth do not have to deal with baby teeth during eruption?

Explanation:
During eruption, most permanent teeth come in by replacing deciduous teeth—their roots are resorbed as the baby tooth sheds to make space. The first permanent molars are different: they erupt behind the last primary molar around age six without displacing a deciduous tooth. Because no baby tooth needs to be shed to allow their eruption, they don’t have to deal with baby teeth during this process. In contrast, incisors, canines, and premolars replace their corresponding primary teeth as those teeth resorb and exfoliate. So the teeth that do not have to deal with baby teeth during eruption are the permanent molars.

During eruption, most permanent teeth come in by replacing deciduous teeth—their roots are resorbed as the baby tooth sheds to make space. The first permanent molars are different: they erupt behind the last primary molar around age six without displacing a deciduous tooth. Because no baby tooth needs to be shed to allow their eruption, they don’t have to deal with baby teeth during this process. In contrast, incisors, canines, and premolars replace their corresponding primary teeth as those teeth resorb and exfoliate. So the teeth that do not have to deal with baby teeth during eruption are the permanent molars.

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