Table 5.
Comparison of the variation in the oral health status between the two groups after a year
| Experimental group | Control group | Independent test | |||||
|---|---|---|---|---|---|---|---|
| M | SD | M | SD | t | p | ||
| Dt | –0.29 | 1.42 | 1.06 | 1.55 | –0.94 | <0.001 | *** |
| Mt | 0.01 | 0.07 | 0.10 | 0.50 | –2.70 | 0.007 | ** |
| Ft | 0.52 | 1.17 | 0.10 | 0.63 | 4.51 | <0.001 | *** |
| Dmft | 0.35 | 1.23 | 1.32 | 1.75 | –6.36 | <0.001 | *** |
| Ds | –0.35 | 1.92 | 2.08 | 3.02 | –9.45 | <0.001 | *** |
| Ms | –0.01 | 0.15 | 0.42 | 2.03 | –2.91 | 0.004 | ** |
| Fs | 0.67 | 1.64 | 0.17 | 0.90 | 3.87 | <0.001 | *** |
| Dmfs | 0.37 | 1.17 | 2.67 | 3.35 | –8.89 | <0.001 | *** |
Paired t test. Dt, decayed teeth; Mt, missing teeth; Ft, filled teeth; Dmft decayed, missing and filled teeth; Ds, decayed tooth surfaces; Ms, missing tooth surfaces; Fs, filled tooth surfaces; Dmfs, decayed, missing and filled tooth surfaces; SD, standard deviation. *:0.01< p <0.05; **:0.001< p <0.01; ***: p <0.001.