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What’s Included in the DentalEZ Bison Preventative Maintenance Kit?

In the modern dental practice, the vacuum system is an often overlooked aspect of the dental practice. It is an essential tool utilized in many procedures, responsible for maintaining a clean, clear, and safe operative environment for both the patient and the clinician. Dental offices used to rely on water-intensive “wet-ring” pumps that, while powerful, were potentially costly. However, the industry has shifted toward a more sustainable solution: dry vacuum technology. By eliminating the need for constant water flow, these systems offer a more eco-friendly profile and significant utility savings without sacrificing performance. But even the best machines require proper maintenance to keep them running smoothly

In this article, we’d like to look at one of these vacuum units, the DentalEZ Bison Dry Vacuum. Specifically, we’ll also focus on the Preventative Maintenance Kit, going over the essential components included for maintenance. These parts are required to keep your machine operating at its best for years to come.

What is a Dry Vacuum?

A dry vacuum is a positive displacement machine that creates a vacuum that’s utilized in a variety of procedures. Many kind of vacuum pumps like these exist. But dry vacuums for medical use make a very important distinction. Because these machines are “dry,” they can’t have liquids flowing directly into the motor. To solve this, the system pulls everything through a separation tank first. This tank acts like a filter, spinning out liquids and debris so that only clean, dry air reaches the pump. This setup provides strong, steady suction that doesn’t weaken, even when multiple dentists in the same building are working at once.

The “heart” of this machine is the pump, which typically uses a high-speed mechanical design like a rotary vane or a blower. These pumps are built to be extremely durable and are often air-cooled to prevent overheating during a long day of back-to-back appointments. Because they move air so efficiently, they provide the consistent power needed for modern dental tools like the high-volume evacuators used in daily procedures.

A Brief Look at the BisonDentalEZ Bison Dry Vacuum front view

The DentalEZ Bison Dry Vacuum is a compact power-unit for your practice’s vacuum needs. It comes in 4 models available to select from with each one being made for a variety of users. These models range from 4-10 users to connect multiple high-volume evacuators (HVEs) to.

The Bison Dry Vacuum utilizes Rotary Vane pump technology in its daily operation. These lubricated pumps are engineered to outlast non-lubricated systems and ensure that vacuum performance remains consistent even as more high-volume evacuators (HVEs) are opened. The system is entirely water-free and only requires maintenance once a year. And the Bulldog is backed by an exclusive 10-year, no-wear-out pump warranty.

However, while minimal, maintenance is still crucial to maintaining the longevity of your unit. So let’s look at what’s included in your preventative maintenance kit.

The Preventative Maintenance Kit

Inside the Preventative Maintenance Kit for your DentalEZ Bison, you’ll find the following parts:

Dental EZ Bison Dry Vacuum PM kit OEM 003750

1 Large Filter Element

1 Small Filter Element

1 Oil Filter Element

If you’d like to see more info on this PM Kit for the DentalEZ Bison Vacuum, you can find it on our site here. If you have any questions about preventative maintenance, give us a call at 704-966-1650 Option 3 for our Free Tech Support Line. You can also find our various resources using the links below available to everyone for free below.


As always if you have any questions about this process or anything else please feel free to contact us and take advantage of our “FREE TECH SUPPORT.”

We also offer FREE VIRTUAL TECH SUPPORT to “See and Talk” with a “Real Time Live Technician” for any problems you may be in need of help with.

You can also use our “FREE MAINTENANCE PROGRAM”. Take the guesswork and worrying about what unit is due for maintenance and which maintenance cycle it is time for. We will keep track of all your autoclaves and let you know when it’s time for anything.


The DentalEZ Bison Dry Vacuum PM Kit is available to view on our site here.

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