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Table 2 Details of the silent mutation sites of the vicR gene in the high-severity caries and caries-free groups

From: Relationship between the genetic polymorphisms of vicR and vicK Streptococcus mutans genes and early childhood caries in two-year-old children

Silent mutation

Caries-free (n = 121)

High-severity (n = 121)

n (%)

n (%)

112 T → C†

5

(4.13)

7

(5.79)

177 C → T

6

(4.96)

7

(5.79)

213 C → T

3

(2.48)

3

(2.48)

499 T → C

116

(95.87)

101

(83.47)

  1. †T → C, T represents the 112 locus base in UA159, and C represents the 112 locus base in the clinical strains