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