Restorative & Materials · single question
The 'W' inscribed on rubber dam clamps refers to:
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Correct answer: C. Wingless
A 'W' prefix (e.g., W8A) indicates WINGLESS design u2014 the clamp lacks wing extensions. Wingless clamps are used when the rubber dam is placed before the clamp (two-step technique). Winged clamps allow the rubber dam to be stretched over the wings and applied in one step.
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