When the enamel wore away, the exposed dentin became sensitive to hot and cold.

The researcher examined a thin slice of dentine under the microscope to observe the tubular structure.

The dentist prescribed a treatment to address dentinal sensitivity caused by enamel erosion.

The adhesive bonded dentinally to the inner surface of the cavity, improving retention in deep restorations.

Microscopic examination revealed that the dentins varied in mineral density across different regions of the tooth.

Under the microscope, the dentines showed varying patterns of tubules and mineralization across the sample.

He apologized for denting the mailbox when he reversed into it.

The pale dentinum beneath the enamel was revealed during the careful examination.

The dentist explained that the pain originated from a dentinocemental lesion near the root surface.

The dentist carefully inspected the dentinoenamel junction for early signs of decay.