TABLE 1.

Numbers of canals counted for 27 teeth by observers 1 and 2 for their first and second reads with periapical images (digital) and CBCT images. Micro CT counts are also listed.

	Observer 1 Digital 1st Read	Observer 1 Digital 2nd Read	Observer 1 CBCT 1st Read	Observer 1 CBCT 2nd Read	Observer 2 Digital 1st Read	Observer 2 Digital 2nd Read	Observer 2 CBCT 1st Read	Observer 2 CBCT 2nd Read	Micro CT
Number Of canals
2			2	2			2	2	2
3	15	13	1	1	9	9	1	2	3
4	12	14	23	22	18	18	22	21	21
5				2			1	2	1
6			1				1
Totals	27	27	27	27	27	27	27	27	27