Table 2. Mean Temperature Rise Due to Laser Type for Thermometer Location .

Temperature Change Point	Laser Type	Mean Temperature Rise (ºC)	P Value
A	a	5.27±2.17	0.69
	b	5.65±2.27
IS	a	8.70±3.14	<0.001
	b	16.08±3.16
OS	a	8.06±1.75	0.001
	b	10.51±3.56
F	a	3.89±1.46	<0.001
	b	8.57±3.25

(A): external root surface of anterior teeth; (IS): external root surface of posterior teeth at inter-root space; (OS): external root surface of posterior teeth at outer-root space; (F): external surface of furcation area of posterior teeth.

a: 810 nm diode laser.

b: 980 nm diode laser.