Page 14 - COS-FOD2015
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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,

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