Mineral and Matrix Changes in Brtl/+ Teeth Provide Insights into Mineralization Mechanisms

Table 2

FTIRI analysis of Brtl/+ and WT molars (all values are dimensionless ratios).

	Min/Mat	CO3/PO4	XLR	XST	HPO4
2 months
First molar crown
WT	10.6±1.0	0.0052±0.0003	4.06±0.20	1.184±0.05	0.44±0.04
BRTL/+	11.0±2.0	0.0051±0.0007	4.07±0.37	1.13±0.03	0.48±0.03
𝑃	NS	NS	NS	0.06	0.07
Second molar crown
WT	10.3±1.0	0.0050±0.0004	4.1±0.29	1.171±0.06	0.450±0.03
BRTL/+	10.6±3.0	0.0050±0.0004	4.2±0.37	1.133±0.04	0.469±0.04
𝑃	NS	NS	NS	NS	NS
First molar mesial root
WT	7.99±0.94	0.0053±0.0004	3.97±0.19	1.175±0.041	0.46±0.03
BRTL/+	7.28±1.54	0.0047±0.0007	4.21±0.39	1.14±0.025	0.53±0.05
𝑃	NS	NS	0.08	NS	0.009
Second molar distal root
WT	6.78±1.0	0.0048±0.0004	4.38±0.89	1.15±0.076	0.51±.04
BRTL/+	6.54±0.75	0.0048±0.0006	4.97±0.85	1.09±0.087	0.61±0.05
𝑃	NS	NS	NS	0.10	0.001
6 months
First molar crown
WT	10.9±2.2	0.0066±0.0005	4.1±0.3	1.1±0.02	0.45±0.02
Brtl/+	13.0±2.6	0.0064±0.0008	4.4±0.7	1.1±0.01	0.49±0.01
𝑃	NS	NS	NS	NS	0.015
Second molar crown
WT	9.0±0.2	0.0063±0.0006	4.1±0.2	1.1±0.01	0.48±0.04
Brtl/+	9.8±1.5	0.0064±0.0007	4.2±1.1	1.06±0.51	0.51±0.05
𝑃	NS	NS	NS	NS	NS
Second molar mesial root
WT	7.1±0.8	0.0062±0.0003	4.2±0.3	1.08±0.03	0.53±0.02
Brtl/+	6.7±1.5	0.0053±0.0004	4.4±0.4	1.09±0.02	0.61±0.15
𝑃	NS	0.0009	NS	NS	NS
Second molar distal root
WT	7.9±0.5	0.0065±0.0004	4.5±0.3	1.08±0.03	0.49±0.03
Brtl/+	7.1±1.5	0.0065±0.0006	4.6±0.4	1.07±0.03	0.59±0.09
𝑃	NS	NS	NS	NS	0.07