Table 1.

DNA primers used in the qPCR analysis.

Target species	Primer name	Primer sequence (5′ → 3′)	Amplicon Size(bp)	References
Prevotella denticola	Pd-R-12	AGATGGATGCAGAGCTGAAGC	150	—
	Pd-F-12	GTCACCGACCTGGATCTTACG
Prevotella pallens	Pp-16SB-F	AGCCTGAACCAGCCAAGTAG	150	—
	Pp-16SB-R	GCCGGTCCTTATTCATACGATAC
Streptococcus mutans	Sm-F2	GCAGTCAAGGGGTGGAAATCG	188	38
	Sm-R2	TGGACGGCTTGTTGCAGGAATAC
Lactobacillus fermentum	LF-F	TGGAAACAGRTGCTAATACCG	231–233	19
	LF-R	GTCCATTGTGGAAGATTCCC