Table 2.

Results of the degree of inter and intra observer agreement. All results with p < 0.05

Age groups	Inter-examiner		Intra-examiner
	Demirjian	Nolla	Demirjian	Nolla
4-6.9	0.94	0.94	0.94	0.95
7-7.9	0.91	0.92	0.92	0.93
8-8.9	0.92	0.93	0.93	0.94
9-10.9	0.95	0.97	0.99	0.99
11-13.9	0.98	0.99	0.99	0.99
Total	0.98	0.98	0.99	0.99