Molar Incisor Hypomineralization, Prevalence, and Etiology

Table 6

The association between mother’s medical history, delivery complications, breast feeding, and prevalence of MIH.

Variables	MIH (𝑛=23); 𝑛 (%)	Non-MIH; 𝑛 (%)	𝜒^2	𝑃 value
Mother’s illness during pregnancy	3 (13.0%)	29 (11.9%)	0.027	0.870
Mother’s medication intake during pregnancy	2 (8.7%)	20 (8.2%)	0.007	0.934
Delivery mode	20 (87.0%)	212 (86.9%)	0.000	0.992
Complications during delivery	1 (4.3%)	13 (5.3%)	0.041	0.840
Preterm birth	1 (4.3%)	11 (4.5%)	0.001	0.972
Low birth weight	2 (8.7%)	23 (9.4%)	0.013	0.908
Breast feeding	21 (91.3%)	222 (91.0%)	0.003	0.959
Breast feeding duration
<10 days	2 (9.5%)	21 (9.5%)		1.000
10 days–6 months	9 (42.9%)	98 (44.1%)	0.014
6–12 months	7 (33.3%)	72 (32.4%)
>12 months	3 (14.3%)	31 (14.0%)
Mother’s medication intake during breast feeding	2 (9.5%)	26 (11.7%)	0.090	0.764
Child’s positive medical history	19 (82.6%)	45 (18.4%)	47.486	<0.001*

^∗𝑃 value is significant at 0.05 level.