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When it comes to quality of illumination, we are also talking about color temperature, light brightness, uniformity of light, and spot size. These four factors will determine the level of quality of the illumination produced by a certain dental headlight. Let us take a look at each of these factors in detail here.
Light brightness, or the brightness of light or the intensity of light, is measured in lux. Although choosing the intensity of light is generally based on personal preference, it helps to know which levels are suitable for dental procedures. Light brightness ranges from 40,000 lux to 225,000 lux.
For dentistry, you can choose a LED headlight with a light intensity of as low as 45,000 lux to as high as 90,000 lux. These levels allow sharpness of vision and bring out a higher level of detail which you normally can't see with more than 90,000 lux light intensity. When comparing the light intensity of portable dental headlights, you have to take note of the exact distance at which it is measured. As per the industry standard, the lux should be measured at a distance of 14 inches.
Uniformity of Light
For optimum vision, it is necessary that the focused area receives the right amount, quality, and consistency of light. The consistency of light is also directly related to the uniformity of light. You should pick the headlight that produces uniform light to avoid any color distortion. This means that the color and intensity of light are the same on all sides, edges, or parts of the focused beam. The problem with low-quality headlights is that they tend to produce an illumination that is dimming on the edges and bright in the middle which can cause eye strain and can lead to distorted image proportions.
Another important factor that contributes to the quality level of dental headlights is the spot size. Not all dental procedures require the same amount of light and focus. Depending on the type of dental procedure you will perform, the spot size you need to focus on and to clearly see the treatment site can be smaller or larger. It is highly recommended to choose the headlight that allows you to adjust the size of the spot.
When you say the color temperature of the dental LED headlight, you are also referring to the color of illumination it produces. The color temperature, also known as the color of the beam, is measured in degrees Kelvin. It can either be warm or cool. For dental procedures, the optimum color temperature is 6000 to 6100 degrees Kelvin as it ensembles a pure white or natural daylight illumination. With this
This is why a pure white dental LED headlight is considered as the best source of light for all types dental procedures. The reason being is that it allows you to see and focus on the real or accurate color of the teeth, the surrounding tissues, gums, and the entire oral cavity without any color distortion.