[The inhibitive effect of IgY toothpaste against oral Streptococcus mutans].

Purpose: To study the effect of the toothpaste containing IgY against oral Streptococcus mutans.

Methods: 140 subjects were divided into 2 groups randomly (test group and control group). Before the beginning of the test, every subject underwent a elution period in order to lessen the other interference factors, then used different toothpastes were used respectively and the test began.