Table 1

	Mean	N	Std. Deviation	Std. Error Mean	Sig.
Diode laser	2.40	5	4.336	1.939	0.061
Er,Cr:YSGG laser	5.00	5	3.082	1.378	0.061

Table 1: Data analysis of Diode laser and Er, Cr:YSGG laser obtained by the use of Behavioral Observation Scale.