Infection control is a cornerstone of dental practice, and surface disinfectants play a vital role in keeping treatment areas safe. However, frequent use of disinfectant sprays can unintentionally damage expensive dental equipment if the products aren't used properly or aren’t compatible with certain materials. Understanding how these sprays interact with dental chairs, delivery units, and electronics can help your team maintain a clean environment without compromising your equipment.
Dental Equipment: Built to Last, But Still Vulnerable
Dental equipment is built to withstand routine cleaning, but repeated exposure to strong disinfectants—especially when used improperly—can lead to premature wear and tear. Over time, this can result in cracked or peeling upholstery, discolored surfaces, corroded components, or even malfunctioning electronic screens. While these changes may start as cosmetic, they can eventually interfere with daily functionality and even pose a risk to patient care.
Common Materials and Their Sensitivities
Knowing what materials you’re working with can help you avoid accidental damage. Vinyl or synthetic leather is often used on patient chairs and stools and can be vulnerable to drying and cracking when exposed to alcohol-based sprays. ABS plastic and polycarbonate are common in delivery systems and housing units and may degrade or discolor with prolonged exposure to certain chemicals. Stainless steel and aluminum can corrode if not properly dried after disinfection, and acrylic or glass screens can fog, crack, or fail if cleaned with incompatible products.
How Different Disinfectants Affect Surfaces
Not all disinfectants interact the same way with your operatory materials. Quaternary ammonium compounds, or “quats,” are widely used for their broad antimicrobial coverage, but they can leave a sticky residue and slowly degrade plastics. Alcohol-based sprays evaporate quickly and kill pathogens efficiently, but they can dry out surfaces and damage soft-touch materials and vinyl. Hydrogen peroxide is often considered a safer alternative but may dull or bleach some finishes. Phenol-based sprays are effective but more aggressive, making them riskier for repeated use on delicate surfaces. Always double-check compatibility with your equipment manufacturer to avoid voiding warranties or causing damage.
Best Practices for Disinfecting Without Causing Damage
To get the most out of your disinfectant without harming your equipment, start by selecting EPA-registered products that are designed for use on medical or dental surfaces. Instead of spraying directly onto equipment, apply the disinfectant to a cloth first to avoid oversaturation. Observe the correct contact time listed on the product to ensure effectiveness, but don’t let the surface stay wet longer than necessary. Wipe away any remaining residue and dry surfaces thoroughly. Using disposable plastic barriers on high-touch areas—like control buttons and handles—can minimize how often you need to use disinfectants directly on those surfaces. Rotating between compatible disinfectant types can also help minimize long-term wear.
Special Considerations for Touchscreens and Electronics
Touchscreen monitors and intraoral scanners require even more caution. Many common disinfectants can damage coatings or internal components, leading to clouding, cracking, or device failure. For these surfaces, use wipes specifically designed for electronics or follow manufacturer instructions for safe disinfection. Avoid paper towels or abrasive cloths, and never spray disinfectant directly onto screens. Always apply solution to a microfiber cloth and gently wipe the surface to keep these devices functional and clear.
Protect Your Investment While Staying Clean
Maintaining a spotless environment doesn't mean sacrificing the longevity of your tools. With the right knowledge and protocols, your team can effectively disinfect all surfaces while preserving the integrity of your equipment. Regular staff training, using manufacturer-recommended products, and paying close attention to material compatibility can make all the difference. Your patients deserve a clean and safe space—and your equipment deserves the care that will keep it running smoothly for years to come.