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World’s First Periodontal Treatment Device Receives Medical Device Approval

Luke Corporation and Tohoku University have jointly developed a groundbreaking periodontal treatment device that has achieved the world's first medical device approval. This innovative device, named "Blue Radical P-01," incorporates highly efficient radical sterilization technology and integrates with the behavioral change application "Perimil." This combined approach offers a new solution to periodontal disease, a leading infectious and lifestyle-related disease globally.



Background on Development

Periodontal disease is an inflammatory disease and infection of the periodontal tissues caused by bacteria accumulated in dental plaque within the periodontal pockets. Recognized by the Guinness Book of Records in 2001 as the "most widespread disease worldwide," periodontal disease affects a significant portion of the population. Recent studies have demonstrated a significant correlation between periodontal disease and chronic diseases such as cardiovascular disease, diabetes, and Alzheimer's disease. These conditions often stem from chronic inflammation, exacerbated by periodontal bacteria entering the bloodstream. Addressing periodontal disease is thus a critical challenge in achieving a healthy society starting from dental care.


Despite the infrastructure of over 68,500 dental clinics in Japan, the prevalence of periodontal disease remains high. One reason is the neglect of dental health by patients. We believe that current treatments and regular maintenance alone cannot effectively address the root causes. Therefore, a dual approach targeting both the teeth and patient behavior is necessary:

  • Dental Approach: Comprehensive treatment and plaque control within the teeth and periodontal pockets.

  • Human Approach: Transforming patient behavior from neglect to sustained interest in dental health.


Details of the New Technology

The "Blue Radical P-01" periodontal treatment device can sterilize 99.99% of the oral bacteria causing periodontal disease. Traditional ultrasonic vibration treatments often leave residual bacteria, especially in severe cases, leading to tooth extraction and antibiotic administration. The "Blue Radical P-01" uses radical sterilization technology, combining 3% hydrogen peroxide with 405nm blue laser irradiation. This technique achieves rapid sterilization within dental plaque, a world-first innovation. By utilizing ultrasonic vibrations and radical sterilization, this device can sterilize 99.99% of oral bacteria, increasing the potential for tooth preservation in severe periodontal disease cases without surgical intervention.



Behavioral Change Application "Perimil"

"Perimil" is designed to foster patient interest in their oral health, addressing the lifestyle-related causes of periodontal disease through behavioral change. By linking "Perimil" with the "Blue Radical P-01," patients can monitor their treatment progress, check individual tooth risks, and receive dental hygiene guidance via their smartphones. This app supports brushing habits and maintains communication between patients and dental clinics, proving useful for health support in modern society.


Combining these tools offers high-efficiency, minimally invasive periodontal treatment with "Blue Radical P-01" and encourages habitual plaque control through "Perimil." This dual approach proposes a new solution to periodontal disease, addressing both the infection and lifestyle aspects.


Clinical Trials and Medical Device Approval

From the early research stages, Luke Corporation and Tohoku University closely collaborated with the Ministry of Health, Labor and Welfare to meticulously plan the clinical trials. Medical device approval is granted after rigorous evaluation of clinical data and manufacturing environments. Clinical trials demonstrated that the new treatment significantly reduces periodontal bacteria and pocket depth in severe cases compared to traditional methods, leading to the first medical device approval claiming efficacy against periodontal disease.


Message from the Representatives

Dr. Taro Kanno, CEO of Luke Corporation and Professor at Tohoku University Graduate School of Dentistry, expresses his gratitude and excitement: "After 17 years of development, our project has finally reached the stage of social implementation in Japan. This achievement is a testament to the dedication of many supporters. We are confident that the 'Blue Radical P-01' and 'Perimil,' utilizing the latest advanced technology and IT, will bring significant changes to patient care and dental medicine. We encourage everyone to experience this new treatment and witness the transformation from disease to ease."


About Luke Corporation

Luke Corporation is a venture company from Tohoku University, dedicated to implementing scientifically backed advanced technologies in society through joint research with the university. Our team, primarily composed of dentists, remains focused on the perspective of how our services can improve patient conditions. Our vision is to contribute to the liberation from obstacles that hinder enjoying life ("Release from 'Dis-'") and transform disease into ease for our patients. Luke Corporation is committed to providing sustainable health solutions and contributing to society.


Contact Information

Company: Luke Corporation

Phone: 022-347-4142

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