Do Hydrogen Peroxide Trays Help Gum Disease? Perio Protect Explained

If you’ve been researching hydrogen peroxide for gum disease or wondering whether peroxide trays actually work, you’re not alone. Many people are surprised to learn that peroxide can help control harmful bacteria, but the way it’s delivered makes a big difference. Below we’ll walk through how gum disease develops, what peroxide can and can’t do, and how tray therapy works to treat bacteria below the gumline.
How Do You Know If You Have Gum Disease or Gingivitis?
Gum disease, also called periodontitis, is a serious - yet often understated - bacterial infection of the gums. When not properly managed with preventive dentistry, this infection has the potential to damage the soft tissue around your teeth, destroy the bone that supports your teeth, and even lead to tooth loss, not to mention other systemic health issues. Gingivitis is a milder form of gum disease that has not yet advanced to the point of causing bone loss.
Here are a few key symptoms of gingivitis and gum disease to watch out for:
- Swollen or puffy gums
- Bright red, dark red or purple gums
- Pink or red in your saliva when you spit after brushing
- Pink bristles on your toothbrush after brushing
- Tenderness along the gum line
- Bad breath

One common misconception is that having gingivitis or gum disease always means you haven’t taken care of your mouth and teeth. While poor oral hygiene does play a role, gum disease can still occur even if you take good care of your teeth and brush and floss according to American Dental Association recommendations. In fact, periodontitis affects more than 47% of adults over age 30 in the United States.
47% of Americans over the age of 30 have chronic periodontitis
According to Cleveland Clinic, that number jumps to around 70% for adults over 65.1 Other factors apart from poor oral hygiene that put you at risk for developing gingivitis and gum disease are smoking, health conditions like diabetes, genetics and family history and hormonal changes.
So the reality is that gingivitis and gum disease are fairly common – diseases that you’re more prone to get as you age – but they also come along with harmful impacts to health that people often underestimate.
How Can Gum Disease Affect Your Overall Health?
Powerful research has come to light in recent years that points to the strong connection between the mouth and the rest of the body. The bacteria that cause periodontitis have a direct entry point to your bloodstream through your gum tissue; essentially, your gum tissue acts as a superhighway to your bloodstream, and in turn, the rest of your body.

If you have harmful bacteria residing in your mouth, they have the potential to duplicate and pump out toxins to the rest of your body, putting you at risk for heart conditions like heart disease, heart attacks and coronary artery disease2, as well as other conditions like respiratory disease3, rheumatoid arthritis4, stroke2, Alzheimer’s5, preterm birth and low birth weight6, and problems controlling blood sugar in diabetes7.
In fact, a study published in the Journal of the National Cancer Institute revealed that severe gum disease can even increase cancer risk by 24 percent.8 There have even been individuals who have died from tooth infections because of the link between oral bacterial and the entire body.
“Once harmful bacteria enters your bloodstream, it can go all throughout your body. We want to make sure that your body is able to kill off those bacteria before they become a problem in high populations inside your mouth.” - Katy, Registered Dental Hygienist, Alpers Family and Cosmetic Dentistry
Fortunately, gingivitis and gum disease can be reversed, if it is treated early enough! The good news is there is something you can do at home to reduce the levels of harmful bacteria in your mouth and prevent these greater systemic health issues from developing.
Our Scottsdale dental office takes a preventive approach to your oral health, and we have several tools in our arsenal to combat harmful bacteria levels in your mouth so that you can achieve optimal overall health as well. One of these tools is a simple, non-invasive and effective at-home tray therapy treatment. Its secret weapon? Hydrogen peroxide.
Can Hydrogen Peroxide Help With Gum Disease?
You may have heard that hydrogen peroxide can help with gum disease, and yes, there's truth to that.
Hydrogen peroxide has natural antibacterial properties, which means it can help reduce the harmful bacteria that contribute to inflammation, bleeding gums, and infection around the teeth. That’s why you’ll sometimes see it recommended as a rinse for irritated gums.
The challenge is that gum disease doesn’t just live on the surface.
When periodontal disease develops, bacteria settle deep in the small spaces between your teeth and gums. These areas are called periodontal pockets, and they’re difficult to reach with brushing, flossing, or even a mouth rinse.
That’s where our tray therapy treatment, called Perio Protect, comes in.
Perio Protect trays are custom-made to fit your teeth comfortably. When you place the trays with a prescription peroxide gel, the gel is gently delivered below the gumline, right where the bacteria are living. This allows the antibacterial ingredients to stay in contact with those areas long enough to do their job.
In other words, the peroxide isn’t just swishing around your mouth for a few seconds. It’s being delivered precisely where it’s needed.
For many people dealing with gum inflammation or early to moderate periodontal disease, this targeted approach can make a noticeable difference in keeping harmful bacteria under control and helping the gums heal.

Can You Treat Gum Disease at Home?
If you’ve been researching gum disease online, you’ve probably seen a lot of suggestions for treating it at home. Things like saltwater rinses, hydrogen peroxide rinses, special toothpastes, or antibacterial mouthwashes often come up.
Some of these can help with managing symptoms, especially when it comes to reducing bacteria in the mouth or soothing irritated gums. But gum disease is a little more complex than most people realize.
Once bacteria move below the gumline, they begin living in tiny spaces between the teeth and gums called periodontal pockets. These areas are extremely difficult to reach with brushing, flossing, or rinsing alone.
That’s why gum disease tends to persist even when someone is brushing well at home.
Professional treatments focus on cleaning and controlling bacteria below the gumline, where the infection actually lives. This might involve deep cleanings, specialized periodontal care, or targeted therapies like Perio Protect tray therapy.
Tray therapy is often appealing to people who are hoping for a more convenient, at-home component to treatment. The trays are custom-made to fit your teeth and allow a prescription antibacterial gel to reach under the gums, where regular brushing and rinsing simply can’t go.
So while good home care is incredibly important, gum disease usually needs a combination of professional care and daily maintenance to truly get under control.
The good news is that when the bacteria causing the infection are managed properly, the gums often respond very well. Many people notice less bleeding, healthier gums, and a mouth that simply feels better day to day.
If you’ve been noticing signs like bleeding gums, swelling, or persistent bad breath, it’s worth having your gums evaluated so you know exactly what’s going on and what options will help you protect your long term oral health.
What Is Tray Therapy for Gum Disease?
A tray therapy system like Perio Protect is a simple, non-invasive and effective at-home treatment that is revolutionizing the way the oral health community is addressing gingivitis and gum disease.
The Perio Protect regimen includes customized precision-fit trays, one for your upper teeth and one for your lower teeth, and a hydrogen peroxide gel. Their non-invasive trays have a customized sealing system that allows the 1.7% hydrogen peroxide gel to go deep into the periodontal pockets, where toothbrushes and floss fail to reach. This regimen has proven to be effective in fighting bacteria and gum disease, reducing inflammation and bleeding.

Results show a 75% decrease in bleeding sites for Perio Protect patients
This hydrogen peroxide gel penetrates the protective slime layer covering bacterial communities, and it can break down the cell walls of bacteria responsible for the infections and oral wounds associated with gum diseases like gingivitis and periodontitis.

Hydrogen peroxide is naturally occurring inside the body and is a product of various metabolic processes. Applying hydrogen peroxide deep within the gum tissue is a natural, safe and effective way to combat gum disease from the convenience of your home. Patients love that this is a method that does not involve antibiotics but instead uses a potent antimicrobial to fight bacteria.
How Do Perio Protect Trays Help Fight Gum Disease?
Tray therapy is not just for patients who have inflammation, gingivitis or periodontitis. The hydrogen peroxide gel helps decrease the amount of tartar, plaque and build-up that can accumulate on even the healthiest smile.
In addition, if your mouth is actively fighting off bacteria, it puts your body’s immune system – which is your body’s first line of defense against invaders like germs – in the best possible position to fight other illnesses and diseases that may be happening on a systemic level.
“Your immune system is like a battery. There’s only so much that can be hooked up to it. If your body is already trying to fight disease on a systemic level, and then the harmful bacteria in your mouth begin running rampant, your immune system is going to go into overdrive and become incredibly taxed. So if you’re healthy and use a method like Perio Protect to proactively fight off bacteria in the mouth, you’re going to be set up for success to achieve your best health.” - Rylie, Registered Dental Hygienist, Alpers Family and Cosmetic Dentistry
Is Perio Protect Safe During Pregnancy?
Perio Protect is also safe for pregnant women to use! In fact, according to the Journal of Natural Science, Biology and Medicine, research suggests that the bacteria that cause inflammation in the gums can get into the bloodstream and target the fetus, potentially leading to premature labor and low-birth-weight in babies6. This makes it more important than ever for pregnant women to prioritize their oral health and look into safe methods like saliva testing and tray therapy to identify and combat bacteria and disease.

How Do You Use Perio Protect Trays?
If you decide to pursue tray therapy, here’s what you can expect:
Step 1 - Digital Scan
At your dental cleaning, our hygienist will take a digital impression of your teeth using our intraoral scanner. This process takes about ten minutes and provides us with highly accurate 3D images of your teeth and gums. Our hygienist will send this information off to the specialized lab so that they can make your custom fit Perio Tray™.
Step 2 - Tray Pick-Up and Fit Check
You will be notified when your trays are ready for pick-up, and we will schedule a quick office visit. At this appointment, we will try your trays on real-time and make any minor adjustments, if needed. We will also show you how to apply the gel and give you instructions on how long to wear the trays depending on your specific needs.
Step 3 - Begin the Treatment
Once you unbox the items at home and are ready to begin, you will apply a thin line of the Perio Gel™ into your trays and place them in your mouth. The general instruction is to wear the trays for 15 minutes per day, but your hygienist will provide you with your customized plan that’s best suited for your unique needs. Once the recommended amount of time is up, you’ll remove the trays and rinse them under cold water.
It’s really that easy! Your dental hygienist will monitor progress at your routine dental preventive care visits and will partner with you for any ongoing maintenance needs. You’ll know tray therapy is making a difference if you see the reduction or elimination of swollen gums, areas of bleeding, and depths of periodontal pockets.

What Are the Additional Benefits of Perio Protect Tray Therapy?
Along with the reduction or elimination of harmful bacteria, a tray therapy system like Perio Protect also contributes to a couple other advantages:
Can Perio Protect Help Whiten Teeth?
A common side effect of using Perio Protect is tooth whitening. The 1.7% concentration of hydrogen peroxide in the gel is much lower than professional whitening products, providing a very comfortable whitening experience – especially for patients who may be more sensitive to other whitening products.
Can Tray Therapy Help With Bad Breath?
The bacteria that cause gum disease can also cause bad breath. Because the hydrogen peroxide gel is fighting daily to reduce or eliminate these bacteria in the mouth, a common side effect is the elimination of the odor that goes along with them.

What Results Do People Notice With Perio Protect?
One of the things patients often appreciate about tray therapy is that the changes tend to feel noticeable fairly quickly.
If you’ve ever experienced gums that bleed when you brush or floss, that’s usually one of the first things that begins to improve. As the bacteria under the gums are reduced, the inflammation that causes bleeding and tenderness starts to calm down.
You might also notice that your gums look healthier and less puffy over time. Many people describe their mouth simply feeling cleaner and more comfortable.
Another benefit people mention is fresher breath. Because periodontal bacteria are a major cause of persistent bad breath, reducing those bacteria can make a significant difference.
At your regular visits, we’re also measuring what’s happening below the surface. Healthier gum measurements and more stable periodontal pockets are signs that the gums are responding well to treatment.
Tray therapy isn’t a quick cosmetic fix. It’s designed to help control the bacteria that cause gum disease so your mouth can stay healthier long term.
How Often Should You Use Perio Protect Trays?
Here are a few more tips for using tray therapy:
- Add it to an existing part of your routine: While it may seem daunting to add another step to your daily routine, consider wearing the trays while you get ready in the morning, walk the dog, or wind down at night. If you pair it with something you’re already doing, it’s less of a challenge.
- Stick with the custom trays and the prescribed gel: Do not use other trays like whitening trays or nightguards, and do not use other types of gels in the trays. To be effective, you need to use the prescribed gels in the custom-fit trays.
- Use only cold water: Do not rinse the trays with hot water, which could distort them, but instead use cold water.
- Avoid abrasive materials: Do not use toothpaste or abrasives to clean them. A clean toothbrush is OK, as long as it doesn’t have toothpaste on it.
- Mind the temperature: Store your trays and gel at room temperature, avoiding extreme cold or hot temperatures. Do not place your gel in the refrigerator, and if you’re living in a hot climate, don’t leave them in your car.
- Keep them away from your furry friends: Pets love a good chew toy! Make sure your pets don’t get a hold of your trays and gels.
Conclusion: A Healthy Mouth is the Key to a Healthier You!
In conclusion, maintaining optimal oral health is vital for your overall health. To combat the destructive bacteria that go along with gingivitis and gum disease, consider using a safe, effective, and convenient tray therapy system like Perio Protect. By using tray therapy, you can reduce harmful bacteria, achieve healthier gums, and enjoy additional benefits like whiter teeth and fresher breath. When you embrace this innovative at-home treatment, you’re taking proactive steps to protect your oral and systemic health.
We’re here to help! Call our office today to schedule an appointment with our hygienists, who will answer your questions about tray therapy and preventive dentistry.
Sources:
1. Cleveland Clinic. (2022, October 4). Periodontitis. Cleveland Clinic, https://my.clevelandclinic.org/health/diseases/16620-periodontitis
2. Shetty, Bhavya, et al. Association between cardiovascular diseases and periodontal disease: more than what meets the eye. Drug Target Insights. 2023 Jan-Dec; 17: 31-38. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9906023/
3. Bansal, M. et al. Potential role of periodontal infection in respiratory diseases-a review. Journal of Medicine and Life. 2013 Sep 15; 6(3): 244-248. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3786481/
4. Kriauciunas A, et al. The Influence of Porphyromonas Gingivalis Bacterium Causing Periodontal Disease on the Pathogenesis of Rheumatoid Arthritis: Systematic Review of Literature. National Library of Medicine. 2019;11(5):e4775. doi: 10.7759/cureus.4775.
5. Beydoun M, et al. Clinical and bacterial markers of periodontitis and their association with incident all-cause and Alzheimer's disease dementia in a large national survey. Journal of Alzheimer's Disease. 2020;75(1):157-172. doi: 10.3233/JAD-200064.
6. Saini, Rajiv, et al. Periodontitis: A risk for delivery of premature labor and low-birth-weight infants. Journal of Natural Science, Biology and Medicine. 2010 Jul-Dec; 1(1): 40-42. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3217279
7. Cedars-Sinai. "Diabetes and Gum (Periodontal) Disease." Cedars-Sinai Health Library, https://www.cedars-sinai.org/health-library/diseases-and-conditions/d/diabetes-and-gum-periodontal-disease.html.
8. “More evidence of link between severe gum disease and cancer risk.” John Hopkins Medicine. 2018. https://www.hopkinsmedicine.org/news/newsroom/news-releases/2018/01/more-evidence-of-link-between-severe-gum-disease-and-cancer-risk.
Frequently Asked Questions About Perio Protect Tray Therapy
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Locations We Serve
Our Scottsdale dental office serves the following areas:
Scottsdale
Paradise Valley
Fountain Hills
Phoenix
Tempe
We also serve these specific communities in Scottsdale AZ:
- Old Town Scottsdale
- Scottsdale Fashion Square
- Camelback Country Estates
- Mountain Shadows
- Arcadia
- Arcadia Lite
- Biltmore Area
- Papago Parkway
- Central Scottsdale
- Gainey Ranch
- McCormick Ranch
- Kierland Commons
- Sweetwater Ranch
- Scottsdale Ranch
- Cactus Corridor
- McDowell Mountain Ranch
