Molar-Incisor Hypomineralization: Prevalence Comparative Study in 6 Years of Interval

Table 4

Frequency of first permanent molars (FPM) affected or not by MIH, according to caries experience.

Dental condition	Right maxillary FPM, n (%)		Left maxillary FPM, n (%)		Right mandibular FPM, n (%)		Left mandibular FPM, n (%)
	MIH > 0	MIH = 0	MIH > 0	MIH = 0	MIH > 0	MIH = 0	MIH > 0	MIH = 0
Sound	34 (89.5)	36 (97.3)	29 (90.7)	40 (100.0)	37 (92.5)	26 (100.0)	47 (87.1)	34 (100.0)
Decayed	3 (7.9)	1 (2.7)	1 (3.1)	0 (0.0)	2 (5.0)	0 (0.0)	3 (5.5)	0 (0.0)
Restored/decayed	1 (2.6)	0 (0.0)	1 (3.1)	0 (0.0)	0 (0.0)	0 (0.0)	3 (5.5)	0 (0.0)
Restored/caries-free	0 (0.0)	0 (0.0)	1 (3.1)	0 (0.0)	1 (2.5)	0 (0.0)	1 (1.9)	0 (0.0)
Total	38 (100.0)	37 (100.0)	32 (100.0)	40 (100.0)	40 (100.0)	26 (100.0)	54 (100.0)	34 (100.0)