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Clinical Studies: Phototherapy and Canker Sores

The information provided is for educational purposes only and is not intended to support the safety or effectiveness of Luminance Medical’s devices, or diagnose, treat, cure, or prevent any disease. It's not a substitute for a consultation with your healthcare provider and should not be construed as medical advice. The clinical studies presented below were conducted with devices that deliver the same or similar light wavelengths and irradiance as the Luminance RED.


Short on time? Watch this short video that summarizes of some of the key findings resulting from recent clinical trials.

Clinical Studies to Support Light Treatment in Canker Sores

The clinical studies presented below were conducted with devices that have the same or similar wavelength and irradiance as the Luminance RED.

Light treatment, which is designed to create the exact conditions of low-level laser therapy (LLLT), offers an advanced and innovative treatment method to address painful canker sores.

And it isn’t just guesswork! Clinical studies prove the efficacy of LLLT to treat and minimize canker sores. Here’s all the proof you need to see that light treatment is one of the best ways to tackle your worst canker sores in the future. Luminance RED - Canker Sore - Reduction in Healing Time

Clinical Evaluation of Low-Level Laser Treatment for Recurring Aphthous Stomatitis

One placebo-controlled study recently concluded that when light is applied to canker sores, it reduces the average healing time from 8.9 days (control group) to 3.1 days (treatment group).

Luminance RED - Canker Sore - Reduction of Pain

Assessment of Immediate Pain Relief with Laser Treatment in Recurrent Aphthous Stomatitis

This study examined how applying LLLT impacted the levels of pain in patients with canker sores. The group that received treatment immediately experienced a 92% reduction in pain versus a 1% reduction in the placebo group.

This study also found a nearly 50% reduction in healing time between the two groups, with an average time to complete healing in the treatment group of 4.08 days, and in the group not receiving treatment of 7.84 days.


Efficacy of Low-Level Laser Therapy in Treatment of Recurrent Aphthous Ulcers- A Sham Controlled, Split Mouth Follow Up Study

Still not sure if a canker sore laser treatment is right for you? This study of canker sores studied the effect on lesions treated with LLLT over four sessions completed in a single sitting. Each patient was evaluated for pain, lesion size, and complete healing immediately after treatment and one, two, and three days following LLLT treatment. 

Results show that the patients treated with low-level laser therapy enjoying a healing time of about 3 days compared to the control group’s average healing time of nine days. A total of 28 out of the 30 patients in the LLLT treatment group also enjoyed complete pain relief immediately after treatment. 

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