Is there an association between molar incisor hypomineralization and developmental dental anomalies? A case-control study

Table 6 Comparison of the subgroups of developmental dental anomalies in the study and control groups in all subjects, females, and males

Dental anomalies		MIH n (%)	Control n (%)	p^‡
Positional anomalies
Total	Ectopic eruption of maxillary PFMs	6 (75)	6 (100)	0.245
Total	Infraocclusion of primary molars	2 (25)	0	0.245
Female	Ectopic eruption of maxillary PFMs	3 (100)	5 (100)	0.388
Female	Infraocclusion of primary molars	0	0	0.388
Male	Ectopic eruption of maxillary PFMs	3 (60)	1 (100)	0.106
Male	Infraocclusion of primary molars	2 (40)	0	0.106
Shape anomalies
Total	Dilaceration	2 (16.7)	3 (60)	0.045
	Taurodontism	6 (50)	2 (40)
	Peg-shaped maxillary lateral incisors	4 (33.3)	0
Female	Dilaceration	2 (25)	2 (40)	0.05
	Taurodontism	4 (50)	0
	Peg-shaped maxillary lateral incisors	2 (25)	0
Male	Dilaceration	0	1 (33.3)	0.226
	Taurodontism	2 (50)	2 (66.7)
	Peg-shaped maxillary lateral incisors	2 (50)	0
Number anomalies
Total	Hypodontia	27 (84.4)	28 (77.8)	0.718
Total	Hyperdontia	5 (15.6)	8 (22.2)	0.718
Female	Hypodontia	14 (93.3)	11 (84.6)	0.752
Female	Hyperdontia	1 (6.7)	2 (15.4)	0.752
Male	Hypodontia	13 (76.5)	17 (73.9)	0.865
Male	Hyperdontia	4 (23.5)	6 (26.1)	0.865

n: number, MIH: Molar incisor hypomineralization, PFM: Permanent first molar, ^‡Multiple Univariate Logistic Regression, Bold font: p < 0.05

ISSN: 1472-6831