Dental light curing machine with 1-second, 3-second, and 5-second settings

Sep 16,2025

Taking Ai One Second from Foshan Liangya Dental Equipment Co., Ltd. as an example, it uses a 5W high-power LED lamp that can output a light intensity of 2000mW/cm² within 1 second, with a curing depth of up to 3mm.

Dental light curing machine with 1-second, 3-second, and 5-second settings

In the field of oral restoration, light curing units are indispensable core equipment. From traditional halogen lamps to the innovation of LED technology, the curing speed of light curing units has been reduced from minutes to seconds. Among them, one-second, three-second, and five-second curing models have become standard in modern dental clinics due to their efficiency and precision. This article will delve into the technical principles, clinical advantages, and market applications of these high-speed light curing units.

1. Technological Iteration: A Leap from Halogen to LED

Early dental light curing units commonly used halogen lamps as the light source, which had a broad spectral range but suffered from high heat generation and rapid light intensity decay. For example, after 5 minutes of operation, the light intensity of traditional halogen lamps could drop by more than 30%, resulting in uneven curing depth. The introduction of LED technology completely changed this situation—by emitting narrow-band blue light at 460-480nm, LED light curing units achieve cold light output with temperature rise controlled within 15°C, avoiding stimulation to the dental pulp.

Taking Foshan Liangya Dental Equipment Co., Ltd.'s Ai One-Second model as an example, it uses a 5W high-power LED lamp capable of outputting 2000mW/cm² light intensity within 1 second, achieving a curing depth of 3mm. This design not only shortens operation time but also optimizes the polymerization process of resin molecules through "progressive light intensity" technology (initial weak light guidance at 500mW/cm², increasing to 2000mW/cm² after 1 second), increasing the proportion of long-chain molecules by 40%, significantly enhancing the mechanical strength of the restoration.

2. Clinical Value: Dual Improvement in Efficiency and Quality

The core advantage of the one-second curing unit lies in its "immediate restoration" capability. In emergency caries treatment, doctors can complete cavity filling and curing within 30 seconds, reducing the patient's single visit time by 60%. Data from Foshan Liangya Dental Equipment Co., Ltd.'s Ai One-Second model shows that its one-second curing unit reduces patient revisit rates by 27% compared to traditional models, mainly because rapid curing reduces marginal microleakage caused by resin shrinkage stress.

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