LED Curing Lights and Temperature Changes in Different Tooth Sites

Figure 5

Characteristic (°C) versus time curves caused by irradiation with VALO (Ultradent), tested at a light intensity of 1000 (for 20 s) (a) or 3200 (for 3 s) mW/cm² (b) during composite polymerization. B (bottom of the box); C (occlusal surface); D (mesial); E (pulp chamber).

(a)

(b)