Question 20 · LDEK · Host response
Which of the following is the source of matrix metalloproteinases?
- A. Gram-negative bacteria.
- B. neutrophils.
- C. macrophages.
- D. fibroblasts.
- E. all the above.
Hint
Consider both the host cells active in periodontal inflammation and periopathogens with collagenolytic activity.
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