How is a stimulus transmitted through dentin?

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By directly stimulating nerve endingsDepending on the number of nerve fibers in the dentinThrough fluid movement triggered by the stimulusStimulus does not pass through dentin

Explanation

The transmission of stimulus across dentin occurs via fluid movement within the dentinal tubules, which activates nerve endings indirectly. It is not a result of direct nerve stimulation or solely dependent on innervation density, and stimuli do indeed pass through dentin.