exposure (eks-po´zhur)

1. A displaying, revealing, exhibiting, or making accessible. 2. In dentistry, loss of hard tooth structure covering the dental pulp due to caries, dental instrumentation, or trauma. 3. Proximity and/or contact with a source of a disease agent in such a manner that effective transmission of the agent or harmful effects of the agent may occur. 4. The amount of a factor to which a group or individual was exposed, in contrast to the dose, the amount that enters or interacts with the organism.


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