	Center	South	East	Middle-south	Total
Poor	17	27	8	12	64
Average	15	12	17	18	62
Good	2	2	1	0	5
Total	34	41	26	30	131

Table1 The relationship between general health and living area

	Present					Past
	Center	South	East	M-S	Total	Center	South	East	M-S	Total
None	14	10	16	8	48	6	18	6	9	39
Patience	13	27	10	19	69	2	8	4	12	26
Sedative	6	1	0	2	9	5	1	1	3	10
Herb	1	2	0	0	3	1	1	1	0	3
Extraction	0	1	0	1	2	20	13	14	6	53
Total	34	41	26	30	131	34	41	26	30	131

Table2 The relationship between toothache and type of management in each area

M-S: Middle-south

T. E.	Center	South	East	Middle-south	Total
Yes	24	38	24	27	113
No	10	3	2	3	18
Total	34	41	26	30	131

Table3 The relationship between traditional extraction (T. E.) and living area

Frequency	Center	South	East	Middle-south	Total
Everyday
Once	14	22	17	19	72
Twice	5	4	1	2	12
Three times	0	1	3	0	4
Not everyday	5	0	1	1	7
Rarely	4	8	2	5	19
Never	3	6	1	3	13
Total	34	41	26	30	127
Instrument
Plastic	14	12	6	11	43
Stick	17	22	20	19	78
Total	29	34	26	30	121

Table4 The relationship between brushing habits and living area

Edentulous subjects were excluded. The numbers for instruments overlapped, as some subjects used both.

	Center	South	East	Middle-south	Total
None	15	19	16	7	57
Rarely
Sugarcane	12	4	1	5	22
Sweets	5	17	8	18	48
Total	32	40	25	30	127

Table5 The relationship between the frequency of sweet habits and living areas

Edentulous subjects were excluded.