Enhanced teeth whitening with blue diode laser and nitrogen-doped tio₂
This advanced teeth whitening solution combines 35% hydrogen peroxide with blue diode laser activation and nitrogen-doped TiO₂ to enhance peroxide activation, achieving effective whitening in just 15 minutes while minimizing sensitivity, suitable for both in-office and at-home applications.
Overview
The innovative teeth whitening protocol enhances the traditional hydrogen peroxide method by integrating blue diode laser activation and nitrogen-doped titanium dioxide (N-TiO₂) nanoparticles. This combination enables visible-light photocatalysis, significantly boosting reactive oxygen species (ROS) generation and accelerating the whitening process. The result is a highly effective whitening solution that achieves significant color change (ΔE > 6.5) in just 15 minutes, with minimal tooth sensitivity (VAS < 1.5). This method is adaptable for both professional in-office treatments and convenient at-home use.
Technical specifications
Key Features:
- Utilizes 35% hydrogen peroxide gel activated by low-power blue diode laser (445–460 nm) for efficient whitening
- Incorporates nitrogen-doped TiO₂ nanoparticles to enhance photocatalytic activity under visible light
- Coherent infrared laser (808 nm) provides photobiomodulatory benefits, reducing neural excitability and pulpal inflammation
- Achieves superior whitening results with minimal heat buildup, ensuring pulp safety
- Suitable for in-office and at-home applications with optimized gel formulations and light-delivery devices
Technology readiness level
This technology is currently at TRL 2, involving the formulation and evaluation of the concept in controlled settings. Ongoing clinical trials aim to refine the protocol and validate the efficacy and safety in a broader patient population.
About Universidad de Chile
Universidad de Chile is a comprehensive public research university in Santiago and one of the country’s largest, with a broad academic portfolio and national reach. Industry engages through co‑located laboratories and shared facilities, a university research and technology park, and an integrated teaching hospital that enables clinical translation. Its urban location places partners near regulators and the headquarters of major Chilean firms, supporting agile contract research, testing services, and talent pipelines. Research is backed by Chile’s national science and innovation agencies, competitive international programs, and industry funding. A dedicated technology transfer office manages IP, licensing, and startup formation with corporate‑friendly agreements.
delivered to your inbox.