Table 2.
Alpha diversity indicators in the different grades of the dental and periodontal subscales, as well as in the scale of overall oral health.
| No. observed OTUs | Coverage index (95%) | Shannon index | Pielou index | |
|---|---|---|---|---|
| Dental health grade (DG) | ||||
| DG0 | 209.82 ± 37.01 | 65.11 ± 15.64 | 3.66 ± 0.23 | 0.68 ± 0.03 |
| DG123 | 240.57 ± 35.02 | 74.64 ± 20.54 | 3.79 ± 0.24 | 0.69 ± 0.03 |
| DG1 | 233.12 ± 40.84 | 71.37 ± 20.97 | 3.79 ± 0.26 | 0.69 ± 0.04 |
| DG23 | 243.55 ± 33.09 | 75.95 ± 20.76 | 3.79 ± 0.23 | 0.69 ± 0.03 |
| Significant grade comparisons (p-value < 0.05) | 0 vs. 123 | – | – | – |
| – | – | – | – | |
| 0 vs. 23 | – | – | – | |
| – | – | – | – | |
| Periodontal health grade (PG) | ||||
| PG0 | 208.52 ± 35.75 | 64.88 ± 15.36 | 3.66 ± 0.23 | 0.68 ± 0.03 |
| PG123 | 219.48 ± 32.32 | 71.51 ± 18.80 | 3.76 ± 0.27 | 0.70 ± 0.04 |
| PG1 | 214.61 ± 39.62 | 66.07 ± 18.30 | 3.69 ± 0.24 | 0.68 ± 0.03 |
| PG23 | 224.00 ± 24.38 | 76.57 ± 18.45 | 3.83 ± 0.28 | 0.70 ± 0.04 |
| Significant grade comparisons (p-value < 0.05) | – | – | – | – |
| – | – | – | – | |
| – | – | – | – | |
| – | – | – | – | |
| Oral health grade (OG) | ||||
| OG0 | 212.52 ± 38.44 | 65.17 ± 15.59 | 3.67 ± 0.23 | 0.68 ± 0.03 |
| OG123 | 234.85 ± 36.47 | 75.28 ± 20.39 | 3. 80 ± 0.26 | 0.69 ± 0.04 |
| OG1 | 226.17 ± 41.02 | 70.52 ± 19.86 | 3.76 ± 0.26 | 0.69 ± 0.03 |
| OG23 | 240.24 ± 32.77 | 78.24 ± 20.42 | 3.83 ± 0.26 | 0.70 ± 0.04 |
| Significant grade comparisons (p-value < 0.05) | 0 vs. 123 | 0 vs. 123 | 0 vs. 123 | – |
| – | – | – | – | |
| 0 vs. 23 | 0 vs. 23 | 0 vs. 23 | – | |
| – | – | – | – | |
The following four comparisons were performed in both the dental and periodontal subscales as well as the scale of overall oral health: grade 0 vs. grade 123; grade 0 vs. grade 1; grade 0 vs. grade 23; grade 1 vs. grade 23.