WHITE PAPER Use of Light Emitting Diodes in Dental Operatory Lighting - 14 Pages

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Catalogue excerpts

White Paper Use of Light Emitting Diodes in Dental Operatory Lighting

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A-dec White paper Use of Light Emit ting Diodes in Dental operatory Lighting

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A-dec White paper Use of Light Emit ting Diodes in Dental operatory Lighting Background Over the past two decades, Light Emitting Diode (LED) technology has been rapidly displacing more traditional lighting technologies (i.e., incandescent bulb, fluorescent, etc.) across a broad range of industries and applications. The potential advantages inherent in an LED-based light—high light output, flexibility in color and spectrum and intensity, low radiant heat, longer life, compact size, and lower power consumption—make the technology very attractive. In the past five years, the quality and performance...

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A-dec White paper Use of Light Emit ting Diodes in Dental operatory Lighting Critical components of dental task lighting First and foremost, any dental light must enable the dental practitioner to deliver the best quality dental care with maximum productivity. To achieve these goals, the dental light must deliver light of sufficient quantity, quality, and consistency. These terms are somewhat qualitative and therefore can be subjective, so it is useful to describe lighting performance with more objective parameters. Light Quantity For oral cavity illumination, it is useful to think of light quantity...

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Use of Light Emit ting Diodes in Dental operatory Lighting A-dec White paper The light reflected (i.e., perceived) from the patient’s mouth can only be as good as the light delivered from the source. For decades, the dental profession and industry have generally agreed that oral cavity lighting should be a neutral white in color to best enable the practitioner to diagnose oral health and discern healthy tissues from diseased or damaged tissue. For these reasons, dental light manufacturers have sought to design products that mimic natural sunlight as closely as possible. This is because natural...

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A-dec White paper Neutral white light has a CCT of 5,000K which is why most dental manufacturers offer lights at or near this value. Use of Light Emit ting Diodes in Dental operatory Lighting There are a few important points to note with respect to color-temperature as this method can be confusing for a couple of reasons. First, it is fairly common for individuals to conclude that the light actually operates at this temperature. This is not necessarily the case (Tungsten has the highest melting point of all metallic elements at 3,695K). Second, people often describe red colors as “warm” and blue...

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A-dec White paper Use of Light Emit ting Diodes in Dental operatory Lighting (i.e., wavelengths of light) at sufficient levels such that it accurately renders all colors reflected by an object. That is to say, the red component of light in the white sunlight allows us to perceive all the subtleties of tone, whether it’s all the reds found in gum tissue or the wide range of color perceived from something as common as a smile (Figure 5). Sunlight is considered to have perfect color rendering and has a CRI of 100. It follows, therefore, that a dental light should have as high a CRI as possible (along...

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A-dec White paper Use of Light Emit ting Diodes in Dental operatory Lighting shadows or substantially reduce lighting that cause the dental team to have to slow down, reposition the light, or assume a poor ergonomic posture. The light source should span at least 150mm to achieve a “stadium” effect with the light pattern. To achieve good shadow performance, the dental light head must be wide enough in both the horizontal and vertical directions to ensure obstructing objects (such as an instrument or hand) do not cause obtrusive shadows. At the standard distance of 700mm from the light head to the...

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A-dec White paper Use of Light Emit ting Diodes in Dental operatory Lighting Other important components of a dental light Of course, performance of the light in the oral cavity is the most important component of any dental light, but to qualify as truly successful, the dental task light must also address a number of other requirements of the dental team and environment. When done well, ergonomics, infection control, hassle-free ownership, and aesthetic appeal all serve to multiply the value of a dental light. Ergonomic Considerations of the Dental Light Modern dentistry has come to recognize the...

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A-dec White paper Use of Light Emit ting Diodes in Dental operatory Lighting It is therefore essential that the dental light provide the ability to adjust illumination to deliver only the amount of light necessary based on the needs of the user and the procedure. It is also worth noting that LED-based dental lights have a distinct advantage relative to traditional bulb-based lights when it comes to adjusting illumination. Because they require different methods of control and power regulation, the illumination level can be adjusted without changing the color of the light pattern. Bulb-style lights,...

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A-dec White paper Use of Light Emit ting Diodes in Dental operatory Lighting Easy and Intuitive Operation of Light Controls It should be possible to activate the light without touching it or causing the primary user to look away from the oral cavity. As discussed above, LED technology enables modes that better support dental procedures (e.g., levels of illumination, cure-safe lighting). Yet dental clinicians rightly want to stay focused on the oral cavity and will not necessarily take the time to change a lighting mode. Ideally, it should be possible to activate the light without touching it or...

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A-dec White paper Use of Light Emit ting Diodes in Dental operatory Lighting LED Basics, Advantages and Disadvantages As with any new technology that seeks to displace an incumbent technology, there are always advantages and disadvantages to consider. The transition to LED-based dental lighting from more traditional quartz-halogen bulb-style lights is no different. Advantages of LEDs in Dental Task Lighting More Light with Less Power Consumption. LEDs are far more efficient at producing light. Technology has advanced to the point where it is possible to get substantially more light from a lot...

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