Research Article
Dental Calculi of Siberian Natives, Russian Settlers, and Korean People of Joseon Dynasty Period in the 16th to 19th Century Eurasia Continent
Table 2
Calculus prevalence of Siberian natives, Russian settlers, and Joseon period people (per individual).
| | Age | Siberian natives | Russian settlers | Joseon people | | Total () | Affected () | Nonaffected () | Frequency (%) | Total () | Affected () | Nonaffected () | Frequency (%) | Total | Affected () | Nonaffected () | Frequency (%) |
| | Adolescent | 7 | 1 | 6 | 14.3 | 9 | 4 | 5 | 44.4 | 4 | 3 | 1 | 75.0 | | YA | 26 | 6 | 20 | 23.1 | 30 | 23 | 7 | 76.7 | 38 | 27 | 11 | 71.1 | | MA | 16 | 6 | 10 | 37.5 | 26 | 16 | 10 | 61.5 | 37 | 31 | 6 | 83.8 | | OA | 4 | 1 | 3 | 25.0 | 14 | 5 | 9 | 35.7 | 11 | 8 | 3 | 72.7 | | Total | 53 | 14 | 39 | 26.4 | 79 | 48 | 31 | 60.8 | 90 | 69 | 21 | 76.7 |
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