1. of, relating to, or composed of dentin (the hard tissue that forms the main body of a tooth beneath the enamel)
Usage: technical; dental/medical

Examples

• The dentinal tubules are microscopic channels that run through the dentin of the tooth.
• Dentinal sensitivity occurs when the dentin is exposed due to enamel erosion.
• The dentinal layer provides structural support to the tooth.
• Dentinal caries can develop if decay penetrates through the enamel.
• The dentinal surface must be properly prepared before applying a restoration.