Once the tooth decay advances through the layers it affects the innermost nerve which is also known as the dental pulp. This eventually leads to severe pain, infections, and even tooth loss.

There are two other inner layers of teeth — the dentin, which is sensitive to temperature, and the innermost layer, known as the pulp or heart of the tooth. Teeth are "basically, like an M&M ...

"Our results show that tooth size and internal growth layers can provide insights into how population density influences somatic growth," said lead author Dr. Ailin Sosa Drouville. "During the ...

Tooth growth reflects body growth—A significant correlation was found between body length and tooth length in postharvest individuals. Smaller teeth during peak population density—Teeth from ...

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