Variation factors df SS MS F P
Resin 4 120522.51 30130.63 782.58 <0,001*
Mouthwash 4 2918.14 729.53 18.95 <0,001*
Resin x mouthwash 16 1070.29 66.89 1.74 0.041*
Between samples 225 8662.83 38.50    
Period 4 19070.18 4767.55 1932.05 <0,001*
Period x resin 16 707.45 44.22 17.92 <0,001*
Period x mouthwash 16 854.01 53.38 21.63 <0.001*
Period x resin x mouthwash 64 572.12 8.94 3.62 <0.001*
Intra samples 900 2220.85 2.47    
*P<.05 indicates statistically significant difference.
Table 4: Three-way repeated-measures analysis of variance (ANOVA) for mouthwashes.