Actinobacillus Actinomycetemcomitans | MDS coaching & Preparations B-IDS 09818001730, 08690014009

Actinobacillus actinomycetemcomitans attachment on tooth surface can be prevented by ?
A. Myeloperoxidases•
B. Lactoperoxidases
C. Collagenase
D. None

Ans. (A) 

Myeloperoxidase, an enzyme similar to salivary peroxidase, is released by leucocytes and is bactericidal to the inObaCillUS but has added effect of inhibiting the attachment of actinomyces strains to hydroxyapatite.