Copyright
©The Author(s) 2021.
World J Clin Cases. Nov 16, 2021; 9(32): 9762-9769
Published online Nov 16, 2021. doi: 10.12998/wjcc.v9.i32.9762
Published online Nov 16, 2021. doi: 10.12998/wjcc.v9.i32.9762
Table 4 Comparison of colony forming units in the two groups (mean ± SD, × 104/mL)
| Groups | Cases | Before therapy | After therapy | t | P value |
| Study group | 53 | 367.91 ± 74.32 | 36.09 ± 15.26 | 31.840 | 0.000 |
| Control group | 53 | 371.09 ± 80.25 | 45.89 ± 18.08 | 28.780 | 0.000 |
| t | 0.212 | 2.988 | |||
| P value | 0.833 | 0.004 |
- Citation: Gao YZ, Li Y, Chen SS, Feng B, Wang H, Wang Q. Treatment effects and periodontal status of chronic periodontitis after routine Er:YAG laser-assisted therapy. World J Clin Cases 2021; 9(32): 9762-9769
- URL: https://www.wjgnet.com/2307-8960/full/v9/i32/9762.htm
- DOI: https://dx.doi.org/10.12998/wjcc.v9.i32.9762