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. 2012 Nov;10(6):561–566.

Table III.

Dental plaque and periodontal disease indices regarding infant birth weight

	Birth weight		p-value
	Mean (<2500g)	Mean (≥2500g)	p-value
Plaque index (PI)	7.26	7.2	0.007 ^*
Extent index (EI)	10.93	10.93	0.001^*

^*

T-student.