Table 3.

2D distribution of rows of enamel rods in the inner enamel layer of mandibular mouse incisors by row attributes

Row attributes	Average per incisor			Sum of all incisors*
	Total	Mesial tilt	Lateral tilt	Total rows	Total rods
	Number of rows per cross‐section ± SD
Row length
Short (2–20 RPR)	63 ± 11	31 ± 6	32 ± 7	1514 (51%)	12788 (10%)
Med (21–99 RPR)	45 ± 7	22 ± 4	22 ± 4	1069 (36%)	53870 (44%)
Long (100–233 RPR)	16 ± 2	9 ± 2	7 ± 2	391 (13%)	55637 (46%)
Row regional location
Lateral	54 ± 8	30 ± 5	25 ± 5	1302 (44%)	35449 (29%)
Short	33 ± 6	19 ± 3	14 ± 5	801 (27%) [62%]**
Medium	18 ± 4	9 ± 3	9 ± 2	435 (15%) [33%]
Long	3 ± 2	1 ± 1	2 ± 1	66 (2%) [5%]
Central	39 ± 4	20 ± 2	19 ± 3	931 (31%)	74282 (61%)
Short	8 ± 3	4 ± 2	4 ± 2	192 (6%) [21%]
Medium	17 ± 3	8 ± 2	9 ± 2	414 (14%) [44%]
Long	14 ± 2	8 ± 1	6 ± 2	325 (11%) [35%]
Mesial	31 ± 7	13 ± 4	18 ± 4	741 (25%)	12564 (10%)
Short	22 ± 6	7 ± 3	14 ± 4	521 (18%) [70%]
Medium	9 ± 3	5 ± 2	4 ± 2	220 (7%) [30%]
Row type
Uniform	27 ± 6	14 ± 4	14 ± 3	651 (22%)	17949 (15%)
Paired	16 ± 5	6 ± 2	10 ± 4	384 (13%)	21636 (18%)
Branch/merge	9 ± 4	5 ± 3	4 ± 2	209 (7%)	8887 (7%)
Branch/merge + paired	36 ± 6	18 ± 4	17 ± 5	852 (29%)	67940 (56%)
Focal stack	37 ± 7	19 ± 4	18 ± 5	878 (30%)	5883 (5%)
Row endpoint locations
DEJ to DEJ	9 ± 3	4 ± 2	4 ± 1	212 (7%)	7799 (6%)
DEJ to IE	25 ± 4	13 ± 2	12 ± 3	591 (20%)	37355 (31%)
DEJ to OE	1 ± 2	1 ± 1	1 ± 1	30 (1%)	4842 (4%)
IE to IE	68 ± 10	35 ± 6	34 ± 6	1639 (55%)	47561 (39%)
IE to OE	17 ± 7	8 ± 4	9 ± 4	415 (14%)	22215 (18%)
OE to OE	4 ± 2	2 ± 1	2 ± 1	87 (3%)	2523 (2%)

DEJ, dentinoenamel junction; IE, inner enamel layer; OE, outer enamel layer; RPR, rods per row; SD, standard deviation.

*N = 24.

**[Percentage composition of region].