Table 4.

The in vitro acidogenic potential of clinical isolates of Candida species and genotypes of C. albicans from ECC lesions at 24 hours- post exposure to 100 mM glucose (mean ± SD)

	∆pH value of supernatant
Candida spp.	4.0	5.0	5.5	6.0	7.0
C. albicans (n = 10)	0.25 ± 0.05	1.39 ± 0.11	1.99 ± 0.02	2.58 ± 0.05	3.81 ± 0.03
C. krusei (n = 10)	0.22 ± 0.02	1.34 ± 0.13	1.87 ± 0.03	2.37 ± 0.04	3.42 ± 0.02
C. tropicalis (n = 10)	0.33 ± 0.04	1.49 ± 0.07	2.08 ± 0.06	2.63 ± 0.02	3.89 ± 0.01
C. glabrata (n = 5)	0.17 ± 0.08	1.26 ± 0.05	1.82 ± 0.04	2.34 ± 0.04	3.35 ± 0.03
p-value	0.08	0.03*	0.08	0.06	0.09
C. albicans genotypes
Genotype A (n = 14)	0.07 ± 0.02	0.45 ± 0.03	0.64 ± 0.01	0.83 ± 0.02	1.23 ± 0.01
Genotype B (n = 6)	0.12 ± 0.03	0.48 ± 0.05	0.69 ± 0.02	0.90 ± 0.04	1.31 ± 0.03
Genotype C (n = 9)	0.09 ± 0.02	0.47 ± 0.06	0.67 ± 0.02	0.88 ± 0.03	1.29 ± 0.01
p-value	0.04*	0.16	0.19	0.06	0.08

*Obtained using ANOVA.

-Comparison of the acidogenic potential at pH 5.0 between non-albicans C. tropicalis and C. glabrata (p ≤ 0.03)

-Comparison of the acidogenic potential at pH 4.0 between C. albicans genotype A and C. albicans genotype B (p ≤ 0.04)