Dental handpiece lights can help provide necessary illumination inside the mouth. LED cool lights are fast replacing the older halogen lighting in dental equipment. There are different qualities of LED's however, so be sure to choose a LED light from a reputable vendor to ensure quality and longevity. On average LED lights last 10 times longer than halogen lights. Halogen lights also give off much more heat than LED lights. Fiber optics are often what generates the primary light source for dental handpieces. Having a light source directly on the dental handpiece is ideal for superior vision and simplicity.