5 Questions
The root of a tooth always elongates as the crown erupts into the oral cavity.
False
The formation of a tooth's root always stops once the tooth has erupted into the oral cavity.
False
The growth and elongation of the roots of teeth is the simplest mechanism of eruption.
True
Rootless teeth can erupt into the oral cavity without any elongation of the root.
True
Submerged teeth never form their roots if they do not erupt into the oral cavity.
False
Test your understanding of the tooth eruption theory, which explains how teeth emerge into the oral cavity. This theory is based on the concept of root growth and elongation. See how well you can identify the evidence for and against this theory.
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