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Which one is the oil injection port of the high-speed dental handpiece?

Jun 25,2025

Which one is the oil injection port of the high-speed dental handpiece?

Hello everyone, today I'll talk about the maintenance of high-speed mobile phones. High-speed mobile phones should be lubricated before disinfection, especially before high-temperature disinfection, because high temperatures can cause damage to the mobile phone. At the same time, oil should also be added to all mobile phones after work to better lubricate the bearings while the mobile phone is resting. No matter how good the product quality is, reasonable maintenance is required. Otherwise, the mobile phone will break down quickly because of its high speed, requiring oil for lubrication and to remove dirt inside the mobile phone through oil injection. Operation: Use an oil gun or oil nozzle to aim at the second largest hole for oil injection. When injecting oil, be sure to hold down the largest hole. Otherwise, the injected oil will spray out from the largest hole. Mobile phone use will produce tiny particles or dirt. If these tiny particles and dirt are not removed in time, they will cause damage during high-speed operation of the mobile phone. Therefore, reasonable maintenance and oil injection not only lubricate the mobile phone bearings but also clean out tiny particles and dirt.

How to maintain the endo motor

Jun 25,2025

How to maintain the endo motor

Today, I'll talk about the daily maintenance of root canal motors. Root canal motors are electronic products, so charging is essential. If not used for a long time, charge it once every 15 days to prevent battery depletion. After the root canal motor is fully charged, the charger should be unplugged within 2 hours, otherwise, the charger may be damaged. Here's a little trick: Use a cotton swab dipped in anhydrous ethanol (absolute alcohol) to wipe the contact points on the main unit base and the charging pins on the charging base. This can prevent insufficient charging due to poor contact. The main unit casing cannot be wiped with high-concentration ethanol. After wiping, store it in a well-ventilated and dry place.

Why won't the endodontic motor (root canal preparation machine) file engage?

Jun 25,2025

Why won't the endodontic motor (root canal preparation machine) file engage?

Today, we'll address a common problem many dentists encounter: files getting stuck in their endodontic motors. Let's explore the cause and solution. The correct procedure is to hold the file, align it with the motor's shaft hole, and gently rotate it until you hear a "click." This confirms proper seating. After installation, do not press the rear cover. Try pulling the file; if it doesn't come out, it's securely in place. Only press the rear cover to remove the file; it's not needed for installation.

What precautions should be taken when using a dental curing light?

Jun 25,2025

What precautions should be taken when using a dental curing light?

Many users don't know how to use a light curing unit, which often leads to damage. Today, I'll share some precautions for using a light curing unit. 1. First, do not operate for more than 60 seconds. Since most current light curing units operate at 1 or 5 seconds per cycle. Continuous use for extended periods can cause the outer wall of the light guide to overheat, potentially causing burns if accidentally touching the patient's mouth. Moreover, continuous operation for extended periods will shorten the lifespan of the light guide. 2. When using the device, you must use the light shield provided by the manufacturer to effectively reduce blue light damage to the eyes. Direct irradiation of the eyes is prohibited. 3. When charging, you must use the original charger; otherwise, excessive current may cause the main board of the light curing unit to burn out.

Daily maintenance of dental curing light

Jun 25,2025

Daily maintenance of dental curing light

For daily maintenance of the light curing machine, simply wipe the surface with water or disinfectant. High-temperature sterilization is strictly prohibited. After each use, check the tip of the light guide for any resin residue to avoid affecting the lifespan of the light guide and curing effect. If damage occurs, it must be returned to the manufacturer for inspection and repair. Do not arbitrarily purchase parts online and replace them yourself, as this may damage the light curing machine.

What is an oral anesthesia booster?

Jun 25,2025

What is an oral anesthesia booster?

Today, let's talk about what an oral anesthesia booster is. Many people think that anesthesia is done manually with a mechanical device, but in fact, there are now electric oral anesthesia boosters. Its feature is that it uses a motor to drive a spiral rod, which pushes forward to allow for uniform injection of anesthetic. Moreover, current oral anesthesia boosters have an automatic aspiration function, ensuring safety and significantly reducing pain for patients due to the uniform injection.

How can I distinguish between high-speed and low-speed handpiece?

Jun 24,2025

How can I distinguish between high-speed and low-speed handpiece?

How to distinguish between high-speed and low-speed dental handpieces? Here are a few ways: High-speed handpieces have a slender appearance, while low-speed handpieces are a combination of a motor and a contra-angle attachment. The appearance is quite different. Secondly, the speed differs significantly. High-speed handpieces typically rotate at 350,000-400,000 rpm, while low-speed handpieces rotate at 20,000-30,000 rpm. High-speed handpieces are used for tooth cutting and cavity preparation. Low-speed handpieces are used for polishing and grinding. Therefore, the differences are quite significant. The easiest way to distinguish them is by their appearance, as they look quite different.

What is a low-speed dental handpiece used for?

Jun 24,2025

What is a low-speed dental handpiece used for?

People often ask what a low-speed handpiece is, is it a phone that runs very slowly? In fact, a low-speed handpiece is an instrument frequently used by dentists; it is not a mobile phone used in our daily lives. First of all, it consists of a motor, contra-angle handpiece, and straight handpiece. The motor is the drive system. By connecting the motor to the dental chair and then plugging in the contra-angle or straight handpiece to the motor, it can be used. For example, when a brush is attached to the contra-angle handpiece, it can be used to clean plaque and tartar from the surface of the teeth. Different abrasives can also be used to remove stains, making teeth whiter and smoother.

What is a dental curing light?

Jun 24,2025

What is a dental curing light?

Hi everyone, today I'll explain what photocuring is used for. Those who have been to the dentist know that the dentist will use a machine that emits blue light to shine into our mouths. Some people think it's for disinfection and sterilization, but what exactly is it? Photocuring machine is a device used in dentistry to repair teeth. It uses a high-brightness LED light source to cure dental polymer composite materials. Photocuring machines are suitable for curing composite resin materials and are used in treatments such as tooth defect repair and cavity sealing.

Why isn't my high-pressure water gun spraying water?

Jun 24,2025

Why isn't my high-pressure water gun spraying water?

Hello everyone, today I will explain how to solve the problem of a high-speed mobile phone suddenly not spraying water. First, take a thin wire or other small but hard material and poke the water outlet. If the water suddenly stops spraying, it is basically because the water outlet is blocked. It usually works after poking it. However, the reason for the blockage is that the water is not filtered well, and there are small suspended solids. Over time, it will slowly block the water outlet.

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