The mouth’s curative superpowers (2024)

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Wounds in the mouth heal faster than in skin — and without scarring. Could unravelling the mechanisms that drive regeneration in the oral cavity lead to better wound therapies?

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  • Natalie Healey0
  1. Natalie Healey
    1. Natalie Healey is a journalist in London.

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At the US National Institutes of Health in Bethesda, Maryland, 30 healthy people prepared to be hurt. Researchers punched out a 3-millimetre-deep circular biopsy from the volunteers’ inner cheeks. They repeated the process on the skin just below the armpit. Somehow, the scientists convinced the participants to come back to the laboratory for observation. The difference between the two injury sites was striking. The mouth cuts closed quickly — in a few days. But the inner arm wounds were still lingering two weeks later1.

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doi: https://doi.org/10.1038/d41586-021-02923-7

This article is part of Nature Outlook: Oral health, an editorially independent supplement produced with the financial support of third parties. About this content.

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FAQs

The mouth’s curative superpowers? ›

Wounds heal faster when they have access to fresh, nutrient rich blood. Luckily, your mouth is extremely close to multiple blood streams. This close proximity helps dramatically speed up the healing process because your body is not waiting for the blood it needs to heal to flow throughout the body.

Why does the mouth heal so quickly? ›

Mouth Tissue Is Different Than Skin Tissue

Also, the mucous membrane in your tongue and cheeks is a bit simpler than typical skin cells. This means that the repair process is easier for your body and doesn't take as much time as healing other types of wounds.

What promotes healing in the mouth? ›

Saltwater rinses may help healing. To make a saltwater solution for rinsing the mouth, mix 1 tsp of salt in 1 cup of warm water. Eat soft foods that are easy to swallow. Avoid foods that might sting.

What is the function of the mouth? ›

The mouth is an oval-shaped cavity inside the skull. The two main functions of the mouth are eating and speaking. Parts of the mouth include the lips, vestibule, mouth cavity, gums, teeth, hard and soft palate, tongue and salivary glands. The mouth is also known as the oral cavity or the buccal cavity.

Do cuts in the mouth turn white when healing? ›

Note: it's normal for a healing wound in the mouth to be white.

What's the slowest healing body part? ›

What Part of the Body Heals the Slowest? Ligaments, nerves and wounds in areas with more movement heal the slowest. Injuries to these areas have a longer recovery time because of poor blood circulation and constant motion stress.

What is the fastest organ to heal? ›

Muscle has a rich blood supply, which is why it is the fastest healing tissue listed above. The circulatory system provides all tissues with nutrients and oxygen – both of which enable the tissue to heal. Because muscle gets lots of blood flow, it has a good environment for healing.

What mineral rebuilds teeth? ›

Phosphorus plays a critical role in dental health because it can naturally help protect and help rebuild tooth enamel.

Why does salt water help mouth heal? ›

“Saltwater rinses work by increasing the pH- balance inside the mouth, creating a much more alkaline oral environment in which the bacteria are no longer able to thrive,” Lazare says. “The harmful bacteria prefer the acidic environment, so once that is neutralized, the mouth can become less inflamed and healthier.”

What heals faster mouth or skin? ›

Injuries to your mouth tend to heal faster for one simple reason – there are fewer layers of tissue to heal. The skin on your arms and other parts of your body has multiple layers. Each time you injure yourself, like with a cut, your body needs to start healing itself from the lowest layer of skin.

What organ does the mouth work with? ›

The digestive process starts in your mouth when you chew. Your salivary glands make saliva, a digestive juice, which moistens food so it moves more easily through your esophagus into your stomach. Saliva also has an enzyme that begins to break down starches in your food. Esophagus.

What color should the roof of your mouth be? ›

Your soft palate (velum) sits toward the back of your mouth, behind the hard palate. It has a soft and fleshy texture and feels somewhat smooth. For some, a healthy palate appears reddish pink. For others, the color may look a shade of brown or black.

Are teeth part of the mouth? ›

Teeth, Gums and Alveolar Bone

Your teeth have a hard enamel crown along with roots that anchor them in your jaw bone. The alveolar bone surrounds the roots to stabilize the teeth in your mouth, while gum tissue also holds the teeth in place and protects the roots from decay.

What is trench mouth? ›

Trench mouth is a painful form of gum swelling (gingivitis). The mouth normally contains a balance of different bacteria. Trench mouth occurs when there is too much pathologic bacteria. The gums become infected and develop painful ulcers. Viruses may be involved in allowing the bacteria to grow too much.

How to speed up healing inside the mouth? ›

You can easily do inner lip wound care at home. Rinse with salt water or a 1:1 solution of hydrogen peroxide and water multiple times a day, like after meals. Salt water rinses have been shown to help your body heal. Don't swallow these solutions, especially not hydrogen peroxide.

Does your mouth have healing properties? ›

Saliva contains cell-derived tissue factor, and many compounds that are antibacterial or promote healing. Salivary tissue factor, associated with microvesicles shed from cells in the mouth, promotes wound healing through the extrinsic blood coagulation cascade.

Is your mouth the fastest healing? ›

Researchers then monitored the healing process of each injury and found that, as hypothesized, the injuries in the mouth healed much quicker – within a few days – while the injuries on the underarms took upwards of two weeks to heal.

How long does the mouth take to heal? ›

The American Dental Association (ADA) says minor sores or irritations like these can heal within a week or two. Follow these three steps from the University of Rochester Medical Center: Do salt water rinses or hydrogen peroxide and water solution rinses after meals to clear bacteria and food debris.

How long should it take for your mouth to heal? ›

What Is the Prognosis for Mouth Wounds? Because most mouth wounds are minor, and require little or no intervention or stitches, the wounds heal within about seven days and have no consequences. Those wounds that do require stitching also have an excellent prognosis if washed out and stitched appropriately.

How long should it take a mouth wound to heal? ›

While minor cuts in the mouth usually heal on their own within a week, some instances require immediate medical attention: If the cut is large, deep, or you have severe bleeding that doesn't stop after 10-15 minutes of applying pressure, it's time to see an emergency dentist.

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