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. Author manuscript; available in PMC: 2011 Dec 1.
Published in final edited form as: Int Endod J. 2010 Aug 19;43(12):1077–1090. doi: 10.1111/j.1365-2591.2010.01778.x

Table I.

Percentage of total canal area (mesiobuccal and mesiolingual canals combined) occupied by debris in the MDI and the ANP groups at ten canal levels.

Canal level
(from anatomic apex)		 MDI
(%) * 		ANP (%)
*
1.0 mm 0.21 0.00
1.2 mm 0.11 0.00
1.4 mm 0.02 0.00
1.6 mm 0.78 0.00
1.8 mm 0.82 0.00
2.0 mm 0.13 0.00
2.2 mm 0.00 0.00
2.4 mm 0.12 0.00
2.6 mm 0.00 0.16
2.8 mm 0.26 0.00
Pooled data
from the
ten canal levels ** 		0.22 1 0.02 1
*

Values are expressed as least square means with the common standard error of the least square means = 0.14.

**

When data from the 10 canal levels of each “Group” are pooled together, the least square mean of the “MDI” group is 0.22% and that of the “ANP” group is 0.02%. The common standard error of the least square means is 0.09%. There is no statistical significant difference (same letter superscripts) between the pooled data from the “MDI” group and the “ANP” group (p = 0.092).