. 2017 May 12;12(5):e0176466. doi: 10.1371/journal.pone.0176466

Table 1. Distribution of dentinogenesis imperfecta (DGI) in 152 individuals with different types of OI.

			DGI
OI type	Gender F/M	Prevalence of DGI	Clear signs in 1^st dentition only	Clear signs in both dentitions	Histological signs only
I	36/60	30/96 (31%)^*	7	6	16
III	15/7	19/22 (86%)^*	4	9	5
IV	16/18	24/34 (71%)^**	9	5	8
Total	67/85	73/152 (48%)^***	20	20	29

* One individual

** two individuals, and

*** four individuals presenting with DGI in the deciduous dentition had no data from the permanent dentition due to low age.