Which is CONTRAINDICATED for gingival retraction in a patient with DIABETES?

Electrosurgery (low-power)
Retraction cord with epinephrine 1:50,000
Aluminum chloride retraction cord
Plain retraction cord

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Correct answer: B. Retraction cord with epinephrine 1:50,000

Epinephrine-impregnated cord (racemic epi 1:50,000) = CONTRAINDICATED in cardiovascular disease AND diabetic patients with vascular disease. Systemic absorption of epinephrine through sulcus → hypertension, tachycardia. Use plain cord, aluminum chloride, ferric sulfate, or electrosurgery instead.

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Which is CONTRAINDICATED for gingival retraction in a patient with DIABETES?

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