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Table 3 Correlations (rs) between the mean numbers of species carried, mean counts of Candida in the oral rinse samples and dental plaque samples and the mean salivary flow rates and new caries lesions

From: A randomized, double-blind, placebo-controlled clinical trial of fluoride varnish in preventing dental caries of Sjögren’s syndrome patients

 

Fluoride group (N = 40)

Placebo group (N = 38)

Saliva samples

 

Lactobacilli

Candida

Lactobacilli

Candida

 Mean counts (×104 CFU/ml) (SD)

Baseline

1.6 (4.6)

591.5 (1705.1)

8 (25.8)

184.3 (369.3)

Over 24-months

6.3 (14.2)

428.3 (828.2)

13.7 (45.6)

291.6 (541.1)

Mean counts

Correlations (r s )

Lactobacilli

Candida

Lactobacilli

Candida

 Mean salivary flow rates

Unstimulated whole saliva

−0.37*

−0.67**

0.44**

−0.77**

Stimulated whole saliva

−0.38*

−0.69**

−0.39*

−0.77**

 New lesions (over 24 months)

Enamel lesion

−0.03

−0.19

0.17

−0.02

Dentin lesion

0.40**

0.53**

0.35*

0.56**

Arrested lesion

0.25

0.44**

0.24

0.32

Dental plaque samples

 

Lactobacilli

Candida

Lactobacilli

Candida

 Mean counts (×106 CFU/g) (SD)

Baseline

15.8 (62.5)

60.2 (172.9)

1.7 (6.3)

9.5 (20.4)

Over 24-months

56.6 (178.9)

37.2 (73.5)

119.1 (444.6)

40.9 (164.0)

Mean counts

Correlations (r s )

Lactobacilli

Candida

Lactobacilli

Candida

 Mean salivary flow rates

Unstimulated whole saliva

0.51**

−0.53**

−0.69**

−0.75**

Stimulated whole saliva

−0.48**

−0.58**

−0.69**

−0.79**

 New lesions (over 24 months)

Enamel lesion

0.11

−0.05

0.04

−0.04

Dentin lesion

0.44**

0.45**

0.47**

0.48**

Arrested lesion

0.26

0.38*

0.33*

0.32

  1. * Significant Spearman’s correlation p < 0.05
  2. ** Significant Spearman’s correlation p < 0.01