News Center-Liangya Dental Equipment Co., Ltd.

Jun 28,2025

Why is a light curing unit needed for dental fillings?

Hello everyone, I'm Jacky. Today, I'll explain why a light-curing unit is needed for dental fillings. A light-curing unit is a type of ultraviolet lamp that quickly cures dental filling materials. During the filling process, composite resin materials are generally used and need to be filled into the gap between teeth. After filling, a curing light is needed. The ultraviolet light emitted by the light-curing unit irradiates the filled area, making the filling material highly adhere to the tooth, achieving a result that is not easily dislodged. This type of light-curing unit does not affect oral tissues or irritate skin tissue, and has relatively high safety. [Company Name] has over ten years of experience in the production of light-curing units, offering high quality and cost-effectiveness.

Jun 28,2025

Precautions after curing resin with photopolymerization

Hello everyone, I'm Jacky. Today, I'd like to share some post-operative instructions for light-cured resin. Light-cured composite resin has a longer curing time. Therefore, within one week of the filling, do not brush the surface of the restoration with a hard toothbrush. The strength and wear resistance of composite resin are relatively weaker than that of amalgam. After filling, it is not recommended to bite hard objects. Reduce the consumption of strong tea and coffee, and smoking. Avoid using metal to stimulate and rub the surface of the restoration. Our light curing machine can cure 2mm and 3mm resin in one second. We offer a full range of products and have over ten years of experience in light curing production, ensuring quality.

Jun 28,2025

Is dental resin cured by light curing strong?

Hello everyone, I'm Jacky. Today I'd like to share with you whether the resin is firm after being irradiated by a light curing machine. Resin is a filling material composed of organic synthetic resin and a large amount of specially treated inorganic substances. The color of the resin material is close to the original color of the teeth, and it is favored for its beautiful effect. It is mostly used for anterior teeth clinically. For composite resin using photopolymerization, the degree of curing is only 50% after the filling is completed, reaching 90% within 24 hours, and 100% after 7 days. The light curing machine can achieve 1-second curing of 3mm and 2mm resin, which can greatly improve the efficiency of dentists.

Jun 28,2025

How to handle problems with a high-speed dental handpiece chuck?

Hello everyone, I'm Jacky from Liangya Dental Clinic. Many of you are troubled by problems with your phone's axis and want to repair it yourself, but don't know how. Today, I'll explain it to you. Phone body: After removing the axis from the turbine, operate on the dental handpiece mounting interface. If an appropriate amount of water does not flow out, the dental handpiece will become a problem with the turbine body (water supply hole is blocked, or the turbine's water supply system is blocked). Axes: If the above three water supplies flow out normally, there will be a problem with the axis of the dental handpiece (water supply nozzle is blocked). Malfunction 2: The nozzle of the axis is blocked. Solution: Remove the end cap and take out the axis. After removing the spray head cleaning needle, insert the needle directly into the spray head. The nozzle cleaning needle should be inserted into the upper slot (through the nozzle of the spray flow slot). Use a special brush to clean this part of the dust. Use a three-tube gun to blow away the dust from the needle tip. When installing the axis on the machine head, the dental handpiece must be correctly installed with the sealing ring. If the above methods do not solve the problem, contact the manufacturer for repair. After all, being able to repair it yourself saves money, but if you can't repair it, you still need a professional to do it.

Jun 28,2025

Sterilization methods for high-speed dental handpieces

Hello everyone, I'm Jacky from Liangya Dental Clinic. Today I'll share with you the sterilization methods for high-speed handpieces. Cleaning: This can be done manually or mechanically. Regardless of the method, the core requirement is to remove contamination and ensure thorough cleaning. Pre-treatment: Pre-treatment should begin at the chair side. After each treatment, flush the handpiece for 30 seconds by stepping on the foot pedal. Remove the handpiece and bur, and wipe off surface contaminants. Place in a designated collection container. Maintenance: Dental handpieces should be lubricated and maintained after each cleaning and before sterilization. Use oil-based, not water-soluble, lubricating oil. Packaging: When using paper-plastic bags, ensure complete sealing with a sealing width ≥6mm, and the instrument should be ≥2.5cm from the bag seal. Disinfection and Sterilization: This should be done in a designated disinfection and sterilization room. For oral instruments, pressure steam sterilization is preferred, and disinfection and sterilization monitoring should be performed. After sterilization, check all physical parameters and chemical indicators. Only release for use after confirmation of compliance.

Jun 28,2025

Why is a dental handpiece called a handpiece?

Hello everyone, I'm Jacky. Today, let's talk about why high-speed dental handpieces are called "handpieces". This "handpiece" is not that "handpiece". Dental handpieces frequently come into contact with patients' saliva, blood, or oral tissues. If not cleaned and disinfected properly, cross-infection is very likely! For dentists, a dental handpiece is a handheld tool that transmits (with or without a converter) the energy needed for dental tools or instruments. Dental handpieces are high-to-moderate risk oral instruments. Dental clinics need to follow the relevant regulations of the "Technical Specifications for Disinfection of Oral Medical Devices": to properly clean, maintain, disinfect, sterilize, and store "handpieces". With fifteen years of production experience, Liangya has high-speed handpieces with anti-back suction function that can prevent saliva and blood from entering the handpiece.

Jun 27,2025

What is the purpose of a root canal length measuring instrument?

Hello everyone, I'm Jacky. Today I'm here to talk about the uses of root canal length measuring instruments. Root canal length measuring instruments are used in root canal treatment, mainly to help doctors accurately identify whether they have exceeded the safe area and whether they have reached the target area. The existence of root canal length measuring instruments has greatly assisted doctors in root canal treatment. Before the advent of root canal length measuring instruments, treatment could only rely on experience, and there was a probability of incomplete cleaning or exceeding the apex. Therefore, root canal length measuring instruments are a great help for root canal treatment.

Jun 27,2025

What is a resin heater?

Hello everyone, I'm Jacky, and today I'm here to share with you about resin heaters. Dental resin heaters are devices used to heat dental resin materials, primarily to improve the shaping and bonding properties of the resin. By providing a suitable temperature, it allows the resin material to reach the ideal shaping and bonding temperature, thus ensuring the restoration effect. You can freely choose the appropriate temperature to control the desired state. It's a great product to help dentists improve their work efficiency.

Jun 27,2025

What are the advantages of an oral anesthesia booster?

Hello everyone, I'm Jacky, and today I'm here to introduce the advantages of an oral anesthesia booster. Dental clinics use anesthesia boosters very frequently because they are needed for tooth extractions and surgeries. Therefore, anesthesia boosters are commonly used instruments for dentists. What are the advantages of an oral anesthesia booster? Compared to traditional syringes, it can achieve near painless injection of anesthetic. Those who have had intramuscular injections know that the initial prick is painless, but the injection itself can be quite painful. This is because manual injection relies on experience, which can lead to pain. However, the oral anesthesia booster delivers anesthetic at a constant speed, significantly reducing the pain.

Jun 27,2025

History of Dental Handpieces

Dental handpieces have reached a high level of development today. But how did they evolve? In the late 18th century, the advent of hand-cranked dental drills marked a significant advancement in dental handpieces. In 1864, George Fellows Harrington invented a spring-driven drill, named Erado. Despite its considerable noise, its practicality and effectiveness were recognized. In 1868, Dr. George F. Green invented a foot-powered drill, further improving the efficiency of dental treatment. In 1871, James B. Morrison invented the car needle, used with a foot-powered drill, with a speed of up to 300 rpm. In 1875, Dr. George F. Green invented the first electric dental handpiece based on an electric motor, achieving a qualitative leap in speed and effectiveness, greatly facilitating the dentist's operation. During World War I, electric dental handpieces began to be widely adopted, reaching speeds of 3000 rpm. From the early to mid-20th century, the W&H brand continued to improve the design of dental handpieces, inventing modern mainstream push-button designs such as ball-button and roller-internal lock types. In 1949, John Patrick Walsh developed and patented a turbine air-driven handpiece with a speed of up to 400,000 rpm.

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