Periodontics · single question
Which immunoglobulin predominates in gingival crevicular fluid?
Show answer and explanation
Correct answer: A. IgG
Crevicular fluid is serum-derived → IgG predominates.
- A. Correct. GCF largely mirrors serum, where IgG is the predominant immunoglobulin.
- B. IgA predominates in saliva/secretions, not crevicular fluid.
- C. IgM is the largest and least abundant in GCF.