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Foshan Liangya – Root Canal Length Measurer – Accurate Measurement Made Simple

Nov 10,2025


The Liangya Root Canal Length Measuring Device also excels in both safety and durability. Its measuring tips, lip hooks, and other accessories feature a high-temperature, high-pressure sterilization design, allowing them to withstand 134°C autoclave treatment—effectively preventing cross-infection.

Foshan Liangya Root Canal Length Measurer: Accurate Measurement Made Simple

 

In the field of dental medicine, root canal treatment stands as a core technique for saving compromised teeth, and its success hinges critically on the precise measurement of the root canal working length. Traditional X-ray methods, however, are often limited by issues such as image overlap and complex procedures. To address these challenges, Foshan Liangya Dental Equipment Co., Ltd. has introduced a root canal length measurer that leverages advanced impedance measurement technology and intelligent design, offering clinicians a more efficient and accurate solution in their daily practice.

 

Core Technology: Resistance Impedance Principle Breaks Through Measurement Bottlenecks

The core advantage of the Liangya Root Canal Length Measuring Device lies in its measurement technology, which is based on the principle of electrical impedance. Research has revealed that the resistance value remains constant between the periodontal ligament and the oral mucosa—a physical characteristic that provides a scientific foundation for precise measurements. The device works by emitting multi-frequency current signals, continuously monitoring changes in electrical impedance between the root canal file tip and the surrounding periodontal tissues. As the file tip approaches the apical foramen, the resistance value undergoes a significant fluctuation, triggering the system to instantly lock onto the exact position—indicated simultaneously through a digital display, a color-coded scale bar, and an audible beep.

This technology breaks through the limitations of traditional methods. For instance, when blood, irrigation fluid, or gutta-percha fillings are present inside the root canal, traditional methods may produce errors due to media interference. However, the Liangya instrument dynamically adjusts the current frequency, ensuring that the signal can penetrate the electrolyte-rich environment and deliver stable measurements.

 

Intelligent Design: User-friendly operation, tailored for complex scenarios

The Liangya Root Canal Length Measuring Device is meticulously designed in its hardware to fully address clinical needs. The screen simultaneously displays both digital scales and the movement trajectory of the root canal file, complemented by three-color zone indicators: blue signifies entry into the apical region, green indicates proximity to the apical constriction area, and red serves as a warning when the tip reaches the apical foramen. This intuitive visual design allows clinicians to perform procedures effortlessly—no need to frequently look down at data; instead, they can rely solely on auditory cues and color alerts to guide their actions.

 

Safety and Maintenance: Details Ensure Long-Term Reliability

The Liangya Root Canal Length Measuring Device also excels in both safety and durability. Its measuring tips, lip hooks, and other accessories feature a high-temperature, high-pressure sterilization design, allowing them to withstand 134°C autoclave treatment—effectively preventing cross-infection.

 

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