Table 4

	Immediately After treatment	1^st post op day	2^nd post op day	3^rd post op day	4^th post op day	5^th post op day	6^th post op day	7^th post op day	P value
Diode laser	6.50	5.50	4.50	4.30	4.10	3.70	3.70	3.70	0.025
Er, Cr:YSGG laser	8.00	7.00	6.00	3.40	3.20	2.80	2.80	2.80	0.000

Table 4: Visual Analogue Scale in Diode and Er, Cr:YSGG laser immediately after the procedure and 7 post-operative days.