Table 2a.

Table showing master chart for working length determination using Root ZX mini and RVG for canal 1.

Canal 1 (Mesiobuccal in Maxillary and Mandibular Molars)
Sr. No.	Age	Tooth No.	Gender	Examiner 1	Examiner 2	RVG	Reading 1	Reading 2	Reading 3	Root ZX mini
1	4	55	F	12.0	14.0	13.5	13.0	13.0	13.0	13.0
2	4	54	F	12.0	12.0	12.0	12.5	12.5	12.5	12.5
3	4	54	F	12.0	12.0	12.0	11.5	11.5	11.5	11.5
4	4	54	M	13.0	13.0	13.0	13.0	13.0	13.0	13.0
5	4	55	M	12.0	12.5	12.5	12.0	12.0	12.0	12.0
6	5	55	M	11.0	11.0	11.0	10.5	10.5	10.5	10.5
7	5	55	F	12.0	12.5	12.5	12.5	12.5	12.5	12.5
8	5	64	M	13.0	13.0	13.0	12.0	12.0	12.0	12.0
9	5	64	M	11.0	11.0	11.0	11.0	11.0	11.0	11.0
10	5	65	F	12.0	12.5	12.5	11.5	11.5	11.5	11.5
11	5	65	M	11.0	11.0	11.0	11.0	11.0	11.0	11.0
12	6	65	F	12.0	12.0	12.0	11.0	11.0	11.0	11.0
13	6	74	M	11.0	11.5	11.5	11.5	11.5	11.5	11.5
14	6	74	F	12.0	12.5	12.5	12.5	12.5	12.5	12.5
15	6	74	F	11.0	11.0	11.0	10.5	10.5	10.5	10.5
16	6	75	M	12.0	12.0	12.0	11.5	11.5	11.5	11.5
17	6	75	M	13.0	13.0	13.0	12.5	12.5	12.5	12.5
18	6	75	F	12.0	12.5	12.5	12.0	12.0	12.0	12.0
19	7	75	M	11.0	11.0	11.0	10.5	10.5	10.5	10.5
20	7	75	M	10.0	10.0	10.5	10.5	10.5	10.5	10.5
21	7	84	F	10.0	10.0	10.0	10.5	10.5	10.5	10.5
22	7	84	M	10.0	10.5	10.5	10.0	10.0	10.0	10.0
23	7	84	F	13.0	13.0	13.0	13.0	13.0	13.0	13.0
24	7	84	M	11.0	11.0	11.0	11.0	11.0	11.0	11.0
25	7	85	F	10.0	10.5	10.5	10.5	10.5	10.5	10.5
26	8	85	M	10.0	10.0	10.0	10.5	10.5	10.5	10.5
27	8	85	M	9.5	9.5	9.5	9.5	9.5	9.5	9.5
28	8	85	F	11.0	11.0	11.0	10.5	10.5	10.5	10.5
29	6	85	M	10.0	10.0	10.0	10.0	10.0	10.0	10.0
30	6	85	F	9.5	9.5	9.5	9.0	9.0	9.0	9.0