A patient who has had a recent amalgam filling in the upper teeth has a gold filling in the lower teeth, the patient complains of pain. The reason for this can be mainly_____________?
Correct answer: C. Galvanism
- A. Improper amalgam filling
- B. Pulp exposure
- C. Galvanism
- D. None of the above
Explanation
Contact between dissimilar metals such as amalgam and gold in the presence of saliva can produce a galvanic cell, causing an electric shock or sharp pain. This is called oral galvanism, not necessarily pulp exposure or defective placement.
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