Blog Entries - 2019


Posted on: December 15, 2019

1. What are the design differences between radial and angular contact ball bearings? The main difference between radial ball bearings (fig. 1) and angular contact ball bearings (fig. 2) is the retainer type: radial bearings include a crown retainer (fig. 1)

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High-Speed Connections

Posted on: November 4, 2019

High-Speed Connections   What Are the Different Types of High-Speed Handpiece Connections? Handpieces can come with either a fixed back end or a quick disconnect swivel style. Both types of back ends can come with 5 different tubing connection

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What Are The Types Of Tubing Connections

Posted on: October 2, 2019

What Are the Types of Tubing Connections?   2 Hole (Borden Connection) Usually the standard in developing countries (e.g., all of Latin America). It has one large hole, which is air intake to drive the turbine to spin, and a small hole for water to

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Finishing And Polishing Instruments

Posted on: September 11, 2019

Finishing and Polishing Instruments are used to finish and polish dental material surfaces to improve their aesthetic quality. There are many different types of finishing and polishing instruments, and many instruments have overlapping capa- bilities, which

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Low-Speed Handpiece 101

Posted on: August 7, 2019

What is a Low (Slow) Speed Handpiece?  A handheld motor, usually air-driven (can also be electric), that spins a cutting bur or prophy cup at 50,000 RPM or less. Used for removal of caries, refining a cavity preparation, performing

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All Turbines Are Not Created Equal

Posted on: June 12, 2019

Buyer beware! All Turbines Are Not Created Equal All turbines are not created equal. Let me explain. First of all the dental turbine is made up of three components. The three components are the spindle/chuck assembly that holds the bur, an impeller, and two

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What Causes Failure In Dental Turbines?

Posted on: May 17, 2019

WHAT CAUSES FAILURE IN DENTAL TURBINES? Bearings (specifically the bearing cage) will generally fail first, mostly because of: 1.Debris Excessive air pressure Excessive temperatures during sterilization Side load stress Water from the air storage

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How To Maintain Dental Unit Waterlines

Posted on: April 10, 2019

The problem with dental unit waterlines  The problem of microbial contamination in dental unit waterlines is the result of how water is used during routine dentistry and the design of the dental equipment itself. Factors including small-diameter

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Highspeed Handpiece 101

Posted on: March 15, 2019

                      (HIGH-SPEED HANDPIECE 101) The Turbine The turbine consists of two miniature bearings, an impeller, and a spindle/chuck assembly

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Sterilizing Handpieces

Posted on: February 2, 2019

To me, integrity is doing the right thing even when no one is looking. Ethics are the rules for deciding correct conduct based on the available information. There are times in our lives when we have to take a stand. Sometimes those are in the strangest places

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Buyer's Guide To Dental Chairs

Posted on: January 2, 2019

Several decades ago, the selection of the dental chair was a deceptively simple exercise; predicated upon choosing the right color for the operatory at the right price. In contrast, today’s practitioner is well aware that the correct dental chair, its

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