In the rapid development of medical science and technology, dental drill as an indispensable tool for oral treatment, its performance and accuracy are directly related to the effect of treatment and the comfort of patients. In the core component of dental drill - bearing, the choice of materials is particularly important. In recent years, silicon nitride ceramic balls, because of their unique physical and chemical properties, have shown extraordinary application value and advantages in dental drill bearings, and are gradually becoming the application material of high-end dental drills.

Silicon nitride ceramic ball is a kind of precision ceramic material sintered at high temperature in non-oxidizing atmosphere, with high hardness, strength, wear resistance, high temperature resistance and good corrosion resistance and insulation. Its hardness is second only to diamond, and the density is only about 40% of the steel ball, which makes the silicon nitride ceramic ball in the rotation of the centrifugal force is small, can achieve high-speed stable operation. In addition, the silicon nitride ceramic ball also has self-lubricating characteristics, which can be used in non-lubricating media or high-pollution environment for a long time, greatly extending the service life of the bearing.

Advantages of silicon nitride dental drills:

High-speed stability: The silicon nitride ceramic ball has low density and small centrifugal force when rotating, which can maintain a stable operating state when the dental drill is rotating at high speed, reduce vibration and noise, and improve the patient's treatment experience.

Wear-resistant and durable: silicon nitride ceramic balls have high hardness and wear resistance, and can maintain good shape and accuracy even in high frequency use and repeated disinfection, extending the service life of bearings.

Corrosion resistance and high temperature resistance: During oral treatment, dental drills need to face a variety of chemical reagents and high temperature disinfection environment. Silicon nitride ceramic balls have excellent corrosion resistance and high temperature resistance, which can maintain stable performance under these special conditions and is not easy to be damaged.

Self-lubricity: In no lubricating medium or highly polluted environment, silicon nitride ceramic balls can still maintain good lubrication, reduce friction coefficient, reduce energy consumption and noise, and extend the service life of bearings.

Improved treatment efficiency: High-speed stability and wear resistance enable dental drills to complete treatment tasks in a shorter time and improve treatment efficiency.

Reduce noise and vibration: The lightweight design and self-lubricating characteristics effectively reduce the noise and vibration of the bearing during operation, and improve the comfort of patients.

Extended service life: Superior wear and corrosion resistance greatly extend the service life of the bearing, reducing the cost of replacement and maintenance.

Enhanced safety: Insulation and non-magnetic properties avoid possible safety hazards in specific environments, ensuring safe and reliable medical processes.

Silicon nitride dental drills  performance indicators :

Ceramic product processing accuracy :

Application area : medical device field.