Abnormal eruption of teeth in relation to FGFR1 heterozygote mutation: a rare case of osteoglophonic dysplasia with 4-year follow-up

Table 2 Dental age determined by Demirjian’s method

Tooth type	I1	I2	C	PM1	PM2	M1	M2
Operator 1
Stages	H	F	G	E	F	F	E
Scores	11.8	7.8	11	11	12.8	12.3	12.5
Operator 2
Stages	H	H	F	F	F	E	D
Scores	11.8	13.7	10	12.3	12.8	9.6	10.1
Mean total scores from two operators	(79.2 + 80.3)/2 = 79.75
Dental age	8.5 years old

I1, central incisor; I2, lateral incisor; C, canine; PM1, first premolar; PM2, second premolar; M1, first molar; M2, second molar

ISSN: 1472-6831