Table 3: Comparison of xerostomia, salivary pH, halitosis over the time between the two groups (n=56).
Variables |
Time |
Experimental group (n=28) |
Control group (n=28) |
t |
p |
Comparison |
F |
p |
Mean±SD |
Mean±SD |
Xerostomia |
pretest |
2.68±1.22 |
1.75±2.46 |
1.79 |
.079 |
Group |
1.25 |
0.296 |
post testI |
1.54±1.26 |
1.86±2.59 |
-0.59 |
.558 |
Time |
9.19 |
<.001 |
post testII |
2.04±1.60 |
2.46±3.00 |
-0.67 |
.507 |
Group*Time |
12.75 |
<.001 |
post testIII |
2.07±1.56 |
3.29±3.35 |
-1.74 |
.088 |
- |
- |
- |
post testIV |
1.89±1.50 |
3.96±3.32 |
-3.01 |
.004 |
- |
- |
- |
Salivary pH |
pretest |
6.91±0.45 |
7.14±0.46 |
-1.82 |
.074 |
Group |
6.64 |
0.013 |
post testI |
7.18±0.55 |
7.19±0.55 |
1.87 |
.178 |
Time |
5.35 |
<0.001 |
post testII |
7.06±0.49 |
7.00±0.55 |
5.91 |
.018 |
Group*Time |
3.19 |
0.014 |
post testIII |
6.97±0.52 |
6.91±0.57 |
3.13 |
.083 |
- |
- |
- |
post testIV |
7.05±0.05 |
6.88±0.46 |
6.14 |
.016 |
- |
- |
- |
Subjective Halitosis |
pretest |
2.61±1.83 |
2.11±1.01 |
1.00 |
.322 |
Group |
18.31 |
<0.001 |
post testI |
0.79±1.17 |
2.29±2.09 |
-3.32 |
.002 |
Time |
3.94 |
<0.001 |
post testII |
0.79±1.13 |
2.82±2.11 |
-4.50 |
<.001 |
Group*Time |
11.54 |
0.036 |
post testIII |
0.93±1.25 |
3.00±2.37 |
-4.09 |
<.001 |
- |
- |
- |
post testIV |
1.00±1.49 |
3.75±2.43 |
-5.11 |
<.001 |
- |
- |
- |
Objective Halitosis |
pretest |
3.00±0.67 |
2.89±0.69 |
0.59 |
.556 |
Group |
27.12 |
<.001 |
post testI |
1.68±0.82 |
2.79±0.69 |
-5.48 |
<.001 |
Time |
27.37 |
<.001 |
post testII |
1.61±0.88 |
2.64±0.62 |
-5.11 |
<.001 |
Group*Time |
21.62 |
<.001 |
post testIII |
1.71±0.81 |
2.75±0.65 |
-5.30 |
<.001 |
- |
- |
- |
post testIV |
1.75±0.89 |
3.18±0.95 |
-5.83 |
<.001 |
- |
- |
- |
SD: Standard Deviation, post testI: 5minute after the treatment and pretest, post testII: 30minute after the treatment and pretest, post testIII: 60minute after the treatment and pretest, post testIV: 120minute after the treatment and pretest.