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Table 2 Untreated and treated fractions by ethnic group

From: Dental health of preschool children after two-years of a supervised tooth brushing program in Southern Israel

Ethnic Group N d/dmf Sig. t-Test f/dmf Sig. t-Test
Jews 90 0.7 p < 0.01 0.29 p < 0.01
Arabs 99 0.84 0.13
Total 189 0.78   0.2