. 2014 Jan;93(1):96–102. doi: 10.1177/0022034513510944

Table.

Composition of Lower Mouse Incisor Enamel from All Groups Determined by Microprobe Analysis, Means ± Standard Deviations

	Composition (% Weight)
	Ae2a,b^−/− Mice (3)^*		Fluorotic Ae2a,b^−/− Mice (5)
	Secretion (3)^**	Late Maturation (3)	Secretion (3)	Late Maturation (5)
CaO	19.97 ± 1.60	35.59 ± 1.76^a,c	27.61 ± 6.05	39.80 ± 5.28^b
P2O5	16.84 ± 1.29	28.93 ± 1.05^d,f	23.24 ± 5.89	32.54 ± 4.08^e
Molar Ca/P	1.53 ± 0.02	1.59 ± 0.02	1.53 ± 0.08	1.62 ± 0.07
MgO	0.30 ± 0.01	0.51 ± 0.10	0.50 ± 0.25	0.56 ± 0.18^g,h
SO3	0.78 ± 0.02	0.22 ± 0.06	0.70 ± 0.40	0.13 ± 0.19
F	0.02 ± 0.01	0.03 ± 0.01^k	0.16 ± 0.11	0.43 ± 0.24^i,j,k
Cl	0.03 ± 0.01	0.08 ± 0.01^m,p,q	0.02 ± 0.01	0.05 ± 0.03^n,o,q
Cl/CaO × 10-3	1.49 ± 0.45^s	2.70 ± 0.82^t,x,y	0.77 ± 0.28^u	1.12 ± 0.78^w,y,z

	Wild-type Mice (3)		Fluorotic Wild-type Mice (7)
	Secretion (3)	Late Maturation (3)	Secretion (3)	Late Maturation (7)

CaO	25.98 ± 7.51	50.16 ± 0.15^a,b	21.31 ± 4.26	42.60 ± 4.34^c
P2O5	21.86 ± 6.41	41.77 ± 0.23^d,e	17.41 ± 3.18	34.76 ± 3.22^f
Ca/P	1.53 ± 0.01	1.55 ± 0.01	1.56 ± 0.06	1.62 ± 0.05
MgO	0.15 ± 0.01	0.21 ± 0.05^g	0.21 ± 0.04	0.22 ± 0.10^h
SO3	0.65 ± 0.36	0.01 ± 0.01	0.95 ± 0.23	0.14 ± 0.19
F	0.04 ± 0.03	0.04 ± 0.01ⁱ	0.12 ± 0.06	0.14 ± 0.09^j
Cl	0.11 ± 0.06	0.34 ± 0.01^l,m,n	0.02 ± 0.02	0.23 ± 0.04^l,o,p
Cl/CaO × 10-3	4.05 ± 1.05^r,s,u	6.71 ± 0.13^t,z	0.92 ± 0.68^r	5.31 ± 0.76^w,x

Statistical significance was tested for the same developmental stage among different groups. Groups with the same character or symbol are statistically different. For statistics (analysis of variance; see Appendix Table 2): ^*, number of mice; ^**, number of developmental stages measured.