VALO™ GrandCordless and Corded LED Curing Lights
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Items returned within 30 days of purchase with a return authorization number on the outside and inside of the return box will be credited 100%. Product returned between 31 and 60 days from purchase date is subject to a 20% restocking fee. Ultradent will not accept returns after 60 days, with the exception of machines under warranty. Errors in shipment must be reported within 14 days of invoice date. All return authorization numbers become invalid 90 days after date of issue. A return authorization number must accompany all returns to receive proper credit. Please contact Customer Service at 800.552.5512 for assistance.
The VALO Grand curing light features everything you’ve come to love from the VALO curing light family, but with a 50% bigger lens. The 12 mm lens is designed to easily cover a 10 mm molar for quick and effective curing. The second activation button on the underside allows for more intuitive operation.
The VALO Grand light uses a custom, multiwavelength light-emitting diode (LED) for producing high-intensity light at 385-515nm capable of polymerizing all light-cured dental materials. This intensity will also penetrate porcelain and is capable of curing underlying resin cements similar to a quality halogen light.
Every VALO Grand curing light starts as a solid bar of tempered, high-grade aerospace aluminum, which is CNC precision milled at Ultradent’s facility in Utah, USA. The unibody construction ensures durability and provides unsurpassed heat dissipation. The elegant, ergonomic, and streamlined design enables the VALO Grand light to easily reach all curing sites without sacrificing patient comfort. The aluminum wand, machined components, and tempered glass lens make it the most durable cordless curing light available.
The VALO Grand Corded curing light has a medical grade, international power supply and is suitable for power outlets from 100 to 240 volts. The handpiece is designed to rest in a standard dental unit bracket or can be custom-mounted using the bracket included in the kit. The VALO Grand Cordless curing light operates on two rechargeable lithium iron phosphate batteries that deliver the consistent high-energy power the VALO light requires.
- Large, 12 mm lens
- Curing button on the underside for intuitive operation
- Ultra-high-energy broadband LEDs cure all dental materials
- Optimally collimated beam delivers a complete, uniform cure
- Three curing options—Standard Power, High Power Plus, and Xtra Power—offer convenience and flexibility
- Slim, ergonomic wand allows unprecedented access to all restoration sites
- Unique unibody design is both extremely durable and lightweight
Indications for Use
The VALO Grand curing light is a source of illumination for curing photo-activated dental restorative materials and adhesives.
VALO Grand Light Beam Collimation and Uniformity vs. Competitors
50% Larger Lens
The VALO Grand curing light offers the same accessibility, durability, and power as any curing light in the VALO family, but is differentiated by a large, 12 mm lens. The VALO Grand light still has the same power output, but with a larger footprint, it is able to cure a larger area quickly and effectively.
Beam Collimation and Uniformity
The collimation of a curing light’s beam affects the amount of energy that reaches the restoration site. A beam that disperses will deliver less power than a beam that remains collimated; a dispersed beam can lead to undercured restorations and eventual failures. Unlike its competitors, the VALO Grand curing light delivers optimally and consistently collimated power. With refined optics that create excellent light collimation across a 12 mm lens, the VALO Grand light maintains intensity over a greater range of distances.
It is not easy to maintain a specific distance from the restoration, where the typical proximal box is approximately 7 mm deep and best practices call for holding the tip of the curing light 2 mm from the preparation surface.1 With a superior beam profile, the VALO Grand curing light ensures more energy is delivered to resin and significantly reduces the possibility that the practitioner will experience distance and offset issues while curing.
In addition to its collimation, a beam’s uniformity affects energy delivery across the restoration site. A beam with hot or cold spots yields inconsistent curing, which can compromise restorations and cause sensitivity. The VALO Grand light contains multiple LEDs and specialized optics produce evenly distributed energy to deliver consistent results, regardless of the restoration type, size, or location.
The VALO Grand curing light uses a custom, multiwavelength light-emitting diode (LED) for producing a high-intensity light at 385-515nm. This LED pack produces true broad-spectrum light, which provides uniform curing across the restoration with two significant peak wavelengths, utilizing two shades of blue and violet required for lower-level initiators. This means that the VALO Grand light is capable of polymerizing all light-cured dental materials—including camphorquinone and the entire range of proprietary photoinitiators.
As the options for light-cured materials keep expanding, the composition of the materials becomes more and more varied. Aside from camphorquinone, many manufacturers have turned to other photoinitiators particularly for esthetic composites. Photoinitiators such as Lucerin and PPD require low-wavelength light for complete polymerization. With the VALO Grand light’s reliable and proven performance, you can be certain you’ll get a quality cure, regardless of the material.
The distance the average adult-male mouth opens is 30 mm when working in vivo.2 This limited range, along with the posterior location of many restorations, makes properly positioning a traditional curing light with an oversized head and angled light guide almost impossible.
The VALO Grand curing light has a 5° head angle and large 12 mm glass lens to allow for easy positioning of the light and more surface area to be cured at once, saving time and effort. Because the wand-style body is designed without the addition of a light guide, it reaches all areas of the mouth without requiring you to overstretch a patient’s TMJ and soft tissues—a common problem that can occur with other lights. In addition, the VALO Grand light’s larger footprint can cure the entire surface of a Class II posterior preparation in just one exposure.
Complete Cure with Any Composite
When composite is exposed to light, its reaction depends on the composite’s hue, refractive properties, filler type, filler load, and translucency/opacity. Regardless of variations in composite, the VALO Grand curing light has the ability to provide a complete cure because of its power distribution and output of broad-spectrum light, which effectively penetrates layers of composite.
3 Powerful Curing Modes
- Standard Power: 1000 mW/cm2
- High Power Plus: 1600 mW/cm2
- Xtra Power: 3200 mW/cm2
Each of these three curing modes offers varying timing intervals to best meet the needs of the clinician and the procedure.
In a study,3 the energy delivered to a Class I preparation by 20 dentists with different curing lights was measured with the MARC4 system, the only device available that calculates a curing light’s actual power delivered in a truly simulated curing environment. It provides clinically relevant data to better manage the variables that determine the effective use of curing lights in clinical practice. Through this process, it has been repeatedly shown that the VALO curing light consistently delivers more energy in less time. Even with the inevitable variation in curing results among testers, the VALO light delivered more energy more consistently.
What are the differences between the VALO Grand curing light and the VALO Cordless light?
The VALO Grand light and the VALO Cordless light both offer the same power output and beam intensity, and both have a lightweight, durable wand-style body. However, the VALO Grand light has a 50% larger footprint, with a lens measuring 12 mm. The VALO Grand light also has as an additional curing button on the underside to allow for more intuitive operation.
Are the modes, output, and wavelength in the VALO Grand light the same as in the original VALO light?
How many batteries come in the VALO Grand Cordless kit?
Four. The batteries that have been selected are inexpensive, convenient, and have been specifically chosen for their ability to deliver the same power and output of the original corded VALO light.
Are the batteries rechargeable?
Is the battery charger included in the kit?
Do replacement batteries have to be purchased from Ultradent?
We recommend using VALO batteries, which are inexpensive and rechargeable, to ensure the best performance of your VALO curing light.
Can nonrechargeable batteries be used in the VALO Grand Cordless curing light?
Yes. Please see the instructions for use for approved nonrechargeable batteries. Ultradent does not offer these at this time.
Can batteries, chargers, etc. be purchased separately from the kit?
Can a VALO Grand curing light be purchased separately from a kit?
Not at this time.
How long will the battery on the VALO Grand Cordless light last?
Charged, VALO batteries will last ~400 cure cycles or ~1 week on average. The battery can be charged 1000–2000 times before a replacement may be needed.
How does the battery charge work on the VALO Grand Cordless light? Will I lose intensity if the charge starts fading?
Even when the charge starts fading on your VALO batteries, the power intensity remains the same. If you use the same batteries for a VERY extended time period, the battery life will wear down, and they will simply need to be charged more frequently (similar to a cell phone); however, the power intensity will remain the same, always.
What do I do if my batteries appear to be charged but the VALO Grand Cordless light indicates low battery?
Try one of the following:
- Remove the back cap and then refasten it
- Try a different set of batteries that you know are charged
How do the Standard Power, High Power, and Xtra Power (Plasma Emulation) modes differ? Which mode should I use?
As its name implies, Standard Power mode is the standard mode of operation (1000 mW/cm2). High Power mode (1400 mW/cm2) is more powerful than Standard Power mode and shortens the curing time. For example, a 10-second cure in Standard Power mode would take 4 seconds in High Power mode, saving 6 seconds. Xtra Power, or Plasma Emulation, mode is the most powerful mode (3200 mW/cm2). It offers similar intensity to plasma arc lights and is ideal for those practitioners who are interested in or currently using a plasma arc curing light. It is especially effective in situations where you need to cure as quickly as possible, such as curing a sealant on an uncooperative child.
Why would I use the Xtra Power mode?
Xtra Power mode supports the “higher intensity/shorter exposure time” philosophy. For example, you might want to cure a sealant on an uncooperative child as quickly as possible. With the VALO Grand curing light, you can quickly achieve a complete cure in Xtra Power mode.
Why would I use the High Power mode?
High Power mode shortens curing time for composites and other products. The VALO Grand light’s power output shortens curing time from 10 seconds in Standard Power mode to 4 seconds in High Power mode, saving 6 seconds per cure.
How does Xtra Power mode compare to plasma arc lights?
Xtra Power mode offers similar intensity to plasma arc lights, allowing you to shorten exposure time. But the VALO Grand light costs significantly less than a plasma arc light, it doesn’t take up as much room, and it doesn’t need bulb replacements.
Will using Xtra Power mode cause my composite to shrink more than if I use Standard Power or High Power mode?
Regardless of how a composite is cured, it will shrink only the amount it was designed to by the manufacturer. The amount of stress applied will differ from Standard Power mode to higher-intensity modes, but this can be overcome with different placement methods.
How can I reduce the amount of stress affected by the rate of shrinkage when using the higher-intensity modes?
There are a few accepted methods for reducing the stress from the composite being cured with high-intensity lights. Here are three:
- Place a maximum thickness of 2 mm increments. This will eliminate as much stress as possible.
- Wedge the increments to decrease the amount of tooth surfaces being cured at one time.
- Allow a second or two between cures to let the composite rest.
Does the heat from the VALO Grand light’s Xtra Power mode affect the tooth?
While the Xtra Power mode is able to produce intensity similar to a PAC light, it does not produce the same amount of heat as a PAC light.
The Dental Advisor’s Biomaterials Research Center published an article that investigated concerns about heat generated with higher-intensity LED lights. In particular, the VALO Grand curing light in Xtra Power mode and all other curing lights, did raise the temperature of the composite restoration. There are two sources for this rise in temperature: the energy emitted from the light and the exothermic reaction of the composite as it cures. The Xtra Power mode did not raise the temperature of the pulp more than 0.1 °C.5 This means that it takes the tooth from 98.6 °F to 98.78 °F. In order for the pulp to be affected it would need to raise the temperature by at least 5.5 °C.6 The blood flow of the tooth is its cooling mechanism and is one of the reasons why the pulp is minimally affected.
You say the heat in Xtra Power mode does not adversely affect the tooth, but it does cause discomfort on my finger when I test it. Why?
You are feeling the heat on your soft tissues, which reacts differently than the tooth structure. The finger has a “red” tone to it, which absorbs the energy and causes you to feel the heat. The tooth color does not absorb the energy and therefore does not transfer the heat to the pulp. The white nature of the tooth means that much of the light is reflected and not turned into heat. Additionally, the blood flow in the tooth immediately cools whatever heat is applied.
Does heat from the higher-intensity modes affect soft tissues?
The VALO Grand curing light’s instructions include a warning about placing the beam on soft tissues. The VALO Grand light, like all other curing lights, will generate enough heat to make the patient aware of the heat on the soft tissues. If held on the soft tissues for an extended period of time, the VALO Grand light, like all other curing lights, could cause damage to the soft tissues.
Damage is a function of two things: heat and duration without relief.
Brief exposure to higher temperatures is possible without damage. The body has cooling mechanisms such as respiration and blood flow. Live dental pulp uses blood flow as a cooling mechanism.
Some laser surgery studies have suggested that irreversible tissue damage occurs at 69 ± 6 °C, irrespective of exposure time.7
What can I do to reduce exothermic heat to the tooth while using the Xtra Power mode?
Notable clinicians who advocate using higher-intensity lights have suggested that using a steady stream of air on the tooth while curing will counteract the heat.
What cleaning agents should I use to clean the VALO Grand curing light?
To clean your VALO Grand light, you should use Cavicide™ products, isopropyl alcohol–based cleaners, ethyl alcohol–based cleaners, Lysol™ disinfectant, or another nonbleach, nonabrasive cleaner. Simply wipe the VALO Grand curing light down; do not submerge it in any of these substances.
What is the VALO Grand light’s depth of cure?
Depth of cure is more dependent on the type of composite being cured than the light being used. However, for maximum effectiveness, we recommend curing at 2 mm increments regardless of which mode you are in.
Is it possible to cure sealants in three seconds with the VALO Grand curing light?
Yes, The VALO Grand curing light cures UltraSeal XT™ plus sealant in three seconds in Xtra Power mode.
- Meyer GR, Ernst CP, Willershausen B. Decrease in power output of new light-emitting diode (LED) curing devices with increasing distance to filling surface. J Adhes Dent. 2002;4(3):197-204.
- Calder I, Picard J, Chapman M, O’Sullivan C, Crockard HA. Mouth opening: a new angle. Anesthesiology. 2003;99(4):799-801.
- Price RB, Felix CM, Whalen JM. Factors affecting the energy delivered to simulated Class I and Class V preparations. J Can Dent Assoc. 2010;76:a94.
- MARC (Managing Accurate Resin Curing) was developed by Dr. R. Price at Dalhousie University and is distributed by BlueLight analytics inc., Halifax, Nova Scotia, Canada.
- According to a study by The Dental Advisor, temperature increase within the pulp chamber while using VALO Cordless was as follows: Standard Power: 0.8 °C, High Power: 0.0 °C, Plasma Emulation: 0.1 °C. The Dental Advisor (2009) 26.
- An experiment in which researchers applied soldering irons to monkeys’ teeth suggests that raising the temperature of a tooth more than 5.5 °C causes irreversible pulp damage in 15% of teeth. Zach L, Cohen G. Pulp response to externally applied heat. Oral Surg Oral Med Oral Pathol. 1965;19:515-30.
- van Nimwegen SA, L’Eplattenier HF, Rem AI, van der Lugt JJ, Kirpensteijn J. Nd:YAG surgical laser effects in canine prostate tissue: temperature and damage distribution. Phys Med Biol. 2009 7;54(1):29-44.