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Table 1 Mean values of OM score, H2S, CH3SH and (CH3)2S at baseline and following 7 days rinsing.

From: Effects of a mouthwash with chlorine dioxide on oral malodor and salivary bacteria: a randomized placebo-controlled 7-day trial

  

Baseline Mean (SDa)

7 days after Mean (SDa)

p-valueb

OMa

Experimental group

2.10 (0.51)

1.43 (0.46)

0.003**

 

Control group

1.87 (0.61)

1.73 (0.56)

0.340

 

p-valuec

0.367

0.174

 

H2Sa(ng/10 mL)

Experimental group

5.31 (4.89)

0.90 (0.93)

0.000**

 

Control group

4.88 (6.61)

4.78 (5.90)

0.720

 

p-valued

0.324

0.002**

 

CH3SHa(ng/10 mL)

Experimental group

1.42 (1.48)

0.19 (0.29)

0.000**

 

Control group

1.21 (1.45)

1.10 (1.14)

0.288

 

p-valued

0.299

0.000**

 

(CH3)2Sa(ng/10 mL)

Experimental group

0.40 (0.27)

0.07 (0.11)

0.000**

 

Control group

0.33 (0.33)

0.28 (0.29)

0.567

 

p-valued

0.240

0.048*

 
  1. a OM, organoleptic measurement; H2S, hydrogen sulfide; CH3SH, methyl mercaptan; (CH3)2S, dimethyl sulfide; SD, standard deviation
  2. b Comparision with the baseline (before rinsing) and after 7 days, OM score was used by the Willcoxson signed-rank test and the log transformed concentrations of H2S, CH3SH and (CH3)2S were used by paired t-test for statistical analysis.
  3. c Comparision with the experimental group and control group on OM. The Mann-Whitney U-test was used for statistical analysis.
  4. d Comparision with the experimental group and control group on the log transformed concentrations of H2S, CH3SH, (CH3)2S. Independent t-test was used for statistical analysis.
  5. *p < 0.05, **p < 0.01
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Trials

ISSN: 1745-6215