Dental Calculi of Siberian Natives, Russian Settlers, and Korean People of Joseon Dynasty Period in the 16th to 19th Century Eurasia Continent

Table 3

Calculus prevalence of Siberian natives, Russian settlers, and Joseon period people (per teeth).

Age	Siberian natives				Russian settlers				Joseon people
	Total ()	Affected ()	Nonaffected ()	Frequency (%)	Total ()	Affected ()	Nonaffected ()	Frequency (%)	Total	Affected ()	Nonaffected ()	Frequency (%)
Adolescent	121	2	119	1.7	138	16	122	11.6	116	21	95	18.1
YA	391	10	381	2.6	611	158	453	25.9	942	244	698	25.9
MA	242	38	204	15.7	400	106	294	26.5	783	314	469	40.1
OA	66	4	62	6.1	155	15	140	9.7	151	69	82	45.7
Total	820	54	766	6.6	1,304	295	1,009	29.2	1,992	648	1,344	32.5