Page 14 - COS-FOD2015
P. 14
df Mean square ean square F Sig. ig.
F
M
df
S
6
.0
Maximum displacement
Maximum displacement Between Between 4 4 658801.526 58801.526 1 .000 00
198.953 98.953
s
strain (%) train (%)
W 170 3
Within ithin
3311.351 311.351
170
M
Maximum forces calculat-aximum forces calculat- B 4 4 6156.673 156.673 1295.953 295.953 .000 00
6
Between etween
1
.0
e
ed at entire area (N) d at entire area (N)
170
4
Within ithin 170 4.751 .751
W
M
27
.0
Between een
2930.646 930.646
Maximum stress calculat-aximum stress calculat- Betw 4 4 2 271.917 1.917 .000 00
e 2 2
ed at entire area (N/mm d at entire area (N/mm
or MPa) Pa) Within ithin 170 1
or M
10.778 0.778
170
W
Between etween
M B 4 4 604631.731 04631.731 212.355 12.355 .000 00
Maximum strain calculat-aximum strain calculat-
2
.0
6
e
ed at entire area (%) d at entire area (%)
170
2
W
Within ithin 170 2847.272 847.272
M
Maximum stroke calculat-aximum stroke calculat- B 4 4 122437.845 22437.845 212.355 12.355 .000 00
2
Between etween
1
.0
ed at entire area (mm) d at entire area (mm)
e
5
170
Within ithin 170 576.571 76.571
W
Table 2: Analysis of Variance (ANOVA) ble 2: Analysis of Variance (ANOVA)
Ta
were recorded. The mean values and standard maximum strain calculated at entire area and
deviation of variables of interest for the different maximum stroke calculated at entire area in
sample groups are presented in Table 1. three different types and manufacturer of
gloves and two different types of rubber dam
Table 1 displays the descriptive analy- which are Cross Protection Powder Free Latex
sis of maximum displacement strain, maximum Examination Gloves, Rainbow Dental Dams
forces calculated at entire area, maximum Powder Free (Heavy Gauge), Rainbow Dental
stress calculated at entire area, maximum Dams Powder Free (Medium Gauge), Cross
strain calculated at entire area and maximum Protection Powdered Latex Examination
stroke calculated at entire area for the 5 differ- Gloves, Discovery 2020 Powder Free Latex
ent groups of sample. Results shows that Examination Gloves (Table 2).
heavy gauge rubber dam has the highest mean
There was a statistically significant differ-
value for almost all variable tested except for
ence at the p<0.05 level in maximum displace-
maximum stress calculated at entire area.
ment strain, maximum forces calculated at en-
A one way between subject ANOVA was con-
tire area, maximum stress calculated at entire
ducted to compare the maximum displacement
area, maximum strain calculated at entire area
strain, maximum forces calculated at entire ar-
and maximum stroke for the five groups
ea, maximum stress calculated at entire area,
10