Timing of Colonization of Caries-Producing Bacteria: An Approach Based on Studying Monozygotic Twin Pairs

Table 3

Associations between MZ co-twins (Twin A and B) for colonization prior to emergence of the first tooth.

		Twin A
		Colonization prior to emergence
		No	Yes
Twin B	No	97	13
Colonization prior to emergence	Yes	18	23