For dentinal hyperalgesia (DH)to develop,the dentin must become exposed through the loss of gingival recession or enamel,and

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For DH to develop,the dentin must become exposed through the loss of gingival recession or enamel,and the dentin tubules must be open to the oral cavity and the pulp.This occurs when the smear layer of the dentin tubular plugs is removed and the outer orifice of the tubule is opened and exposed to stimuli.The remaining choices do not represent the criteria necessary for dentinal hyperalgesia to develop.

For Dentinal Hyperalgesia (DH)to Develop,the Dentin Must Become Exposed Through