The effects of plaque on vascularity of the gingival connective tissue result in 1. dilation of small blood vessels. 2. increased vascular permeability. 3. proliferation of small blood vessels. 4. increase in gingival crevicular fluid.
All of the above.
(4) only
(2) and (4)
(1) and (3)
(1) (2) (3)
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