Table 1.

Polymerase chain reaction primers used in the present study.

Specific primer set	Sequence (5′-3′)	Size (bp)	References
Detection of S. mutans
MKD-F	GGC ACC ACA ACA TTG GGA AGC TCA GTT	433	16
MKD-R	GGA ATG GCC GCT AAG TCA ACA GGA T
Detection of H. pylori
First step PCR
ureA-aF	ATG AAA CTC ACC CCA AAA GA	488	17
ureA-bR	CCG AAA GTT TTT TCT CTG TCA AAG TCT A
Second step PCR
ureA-bF	AAA CGC AAA GAA AAA GGC ATT AA	383	17
ureA-aR	TTC ACT TCA AAG AAA TGG AAG TGT GA