A patient reports that her left lower molar is insensitive to cold foods and the tooth appears dark upon inspection.These findings most likely indicate

Question

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A tooth that is dark in color with no sensitivity to cold is a dead tooth.This results in a darkening of the enamel.Bruxism,or grinding of the teeth,results in biting surfaces that are worn down.Repetitive biting on hard surfaces or objects can also cause the biting surfaces of the teeth to be worn down.A tooth with white or black patches on the surface has a cavity or dental carie in it.

A Patient Reports That Her Left Lower Molar Is Insensitive