Dental Plaque adheres to tooth surface by________________?
Correct answer: A. Dextran
- A. Dextran
- B. Epithelial cells
- C. Bacteria
- D. Sucrose
Explanation
Streptococcal plaque bacteria produce dextran from dietary sucrose, and this sticky polysaccharide helps the plaque adhere to the tooth surface. Sucrose is the substrate, not the adhesive itself.
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