Mouth, gums & breath

Sources

Every numbered claim on the overview and article pages is listed here with the exact passage it rests on. 106 passages were checked word-for-word against the saved copies listed below.

Pharmacist review pending106 verified passagesUpdated 2026-10-26

Current evidence

1

You can get bad breath if you don't brush and floss regularly. Bacteria that build up in your mouth and between your teeth produce the odor.

“There are many reasons why you might have bad breath. You can get it if you don't brush and floss regularly. Bacteria that build up in your mouth and between your teeth produce the bad odor.”

MedlinePlus (U.S. National Library of Medicine) — Bad BreathPassage verified word-for-word in saved copy
2

Gum disease, dry mouth or cavities may also cause it, and so may sinusitis or nose problems.

“Other problems in your mouth, such as gum disease , dry mouth , or cavities , may also cause it. Sinusitis or problems with your nose may be to blame.”

MedlinePlus (U.S. National Library of Medicine) — Bad BreathPassage verified word-for-word in saved copy
3

Foods such as raw onions, garlic or cabbage can cause bad breath, smoking causes its own smell, and some diseases and medicines cause a specific odor.

“You can also have bad breath if you eat some foods, like raw onions, garlic, or cabbage. And of course smoking causes its own bad smell. Some diseases and medicines can cause a specific breath odor.”

MedlinePlus (U.S. National Library of Medicine) — Bad BreathPassage verified word-for-word in saved copy
4

Mouthwashes, mints or gum may make breath fresher. If a disease causes the bad breath, treating the disease may help.

“Mouthwashes, mints or chewing gum may make your breath fresher. If you have a disease that causes the bad breath, treating the disease may help give you fresher breath.”

MedlinePlus (U.S. National Library of Medicine) — Bad BreathPassage verified word-for-word in saved copy
5

Bad breath is usually related to poor dental hygiene: without regular brushing and flossing, mouth bacteria release sulfur compounds.

“Bad breath is usually related to poor dental hygiene. Not brushing and flossing regularly causes sulfur compounds to be released by bacteria in the mouth.”

MedlinePlus (U.S. National Library of Medicine) — Breath odor (Medical Encyclopedia)Passage verified word-for-word in saved copy
6

Use proper dental hygiene, especially flossing. Mouthwashes are not effective in treating the underlying problem.

“Use proper dental hygiene, especially flossing. Remember that mouthwashes are not effective in treating the underlying problem.”

MedlinePlus (U.S. National Library of Medicine) — Breath odor (Medical Encyclopedia)Passage verified word-for-word in saved copy
7

Contact your provider if breath odor does not go away without an obvious cause, or comes with fever, cough, or face pain with nasal discharge.

“Breath odor does not go away and there is not an obvious cause (such as smoking or eating foods that cause the odor).”
“You have breath odor and signs of a respiratory infection, such as fever , cough , or face pain with discharge from your nose.”

MedlinePlus (U.S. National Library of Medicine) — Breath odor (Medical Encyclopedia)Passage verified word-for-word in saved copy
8

A fruity breath odor can be a sign of ketoacidosis, which may occur in people with diabetes and can be life-threatening.

“A fruity odor to the breath is a sign of ketoacidosis , which may occur in people with diabetes. It is a potentially life-threatening condition.”

MedlinePlus (U.S. National Library of Medicine) — Breath odor (Medical Encyclopedia)Passage verified word-for-word in saved copy
9

Other causes include dentures, tonsils with deep crypts, sinus infection, large doses of vitamin supplements, and reflux disease (GERD).

“Dentures”
“Tonsils with deep crypts and sulfur granules”
“Sinus infection”
“Vitamin supplements (especially in large doses)”
“Gastroesophageal reflux disease (GERD)”

MedlinePlus (U.S. National Library of Medicine) — Breath odor (Medical Encyclopedia)Passage verified word-for-word in saved copy
10

Untreated, gingivitis can progress to periodontitis: gums pull away from the teeth, pockets become infected, and the bone and tissue holding the teeth start to break down.

“Untreated, gingivitis can progress to periodontitis, an infection of the gums and bone that hold your teeth in place. Your gums may pull away from your teeth, forming pockets that slowly become infected.”
“The bacteria in your mouth and your body’s response to the infection start to break down the bone and tissue that hold your teeth in place.”

NIDDK (U.S. National Institutes of Health) — Diabetes, Gum Disease, & Other Dental ProblemsPassage verified word-for-word in saved copy
11

Bad breath is very common and you can usually treat it yourself. The best way to prevent it is to keep your teeth, tongue and mouth clean.

“Bad breath (sometimes called halitosis) is very common. You can usually treat it yourself.”
“The best way of making sure you do not have bad breath is to keep your teeth, tongue and mouth clean.”

NHS (UK National Health Service) — Bad breathPassage verified word-for-word in saved copy
12

Gently brush teeth and gums at least twice a day for 2 minutes with fluoride toothpaste, clean your tongue once a day, and clean between your teeth at least once a day.

“gently brush your teeth and gums at least twice a day for 2 minutes”
“use a fluoride toothpaste”
“gently clean your tongue once a day using a tongue scraper or cleaner”
“clean between your teeth with interdental brushes or floss at least once a day”

NHS (UK National Health Service) — Bad breathPassage verified word-for-word in saved copy
13

Keep dentures clean and remove them at night; use sugar-free mints or gum after strong-smelling food and drink.

“keep dentures (false teeth) clean and remove them at night”
“use sugar-free mints or chewing gum after having strong-smelling food and drinks”

NHS (UK National Health Service) — Bad breathPassage verified word-for-word in saved copy
14

Causes also include fasting or crash dieting, and conditions such as dry mouth, tonsillitis and acid reflux.

“fasting or crash dieting”
“some medical conditions, like dry mouth , tonsillitis and acid reflux”

NHS (UK National Health Service) — Bad breathPassage verified word-for-word in saved copy
15

See a dentist for bad breath that does not go away after a few weeks of treating it yourself, for painful, bleeding or swollen gums, or for toothache or wobbly adult teeth.

“bad breath that does not go away after treating it yourself for a few weeks”
“painful, bleeding or swollen gums”
“toothache or wobbly adult teeth”

NHS (UK National Health Service) — Bad breathPassage verified word-for-word in saved copy
16

Gum disease is an infection that inflames the tissues holding your teeth in place. It is typically caused by plaque, a sticky film of bacteria, building up when brushing and flossing are poor.

“Periodontal (gum) disease is an infection that causes inflammation of the tissues that hold your teeth in place. It's typically caused by poor brushing and flossing habits that allow plaque—a sticky film of bacteria—to build up on the teeth.”

NIDCR (U.S. National Institutes of Health) — Periodontal (Gum) DiseasePassage verified word-for-word in saved copy
17

Gum disease starts with swollen, red, bleeding gums. Untreated, it can spread to the bones supporting the teeth; in the worst cases teeth become loose or need removing.

“Gum disease starts with swollen, red, and bleeding gums. If left untreated, it can spread to the bones supporting the teeth, making it painful to chew. In the worst cases, teeth may become loose or need to be removed.”

NIDCR (U.S. National Institutes of Health) — Periodontal (Gum) DiseasePassage verified word-for-word in saved copy
18

Only a professional cleaning by a dentist or dental hygienist can remove tartar.

“Only a professional cleaning by a dentist or dental hygienist can remove tartar.”

NIDCR (U.S. National Institutes of Health) — Periodontal (Gum) DiseasePassage verified word-for-word in saved copy
19

Smoking or using tobacco is the most significant risk factor for gum disease; others include older age, diabetes and genetics.

“There are several risk factors for gum disease, but smoking or using tobacco products is the most significant.”
“Other risk factors include older age, diabetes, and genetics.”

NIDCR (U.S. National Institutes of Health) — Periodontal (Gum) DiseasePassage verified word-for-word in saved copy
20

Signs include gums that bleed easily, gums pulling away so teeth look longer, and persistent bad breath.

“Gums may bleed easily.”
“The gums may pull away from the teeth, making the teeth appear longer.”
“Persistent bad breath”

NIDCR (U.S. National Institutes of Health) — Periodontal (Gum) DiseasePassage verified word-for-word in saved copy
21

In a healthy mouth the pockets around the teeth are usually 1 to 3 millimeters deep; deeper pockets can be a sign of gum disease.

“In a healthy mouth, the pockets around the teeth are usually between 1 and 3 millimeters. Deeper pockets can be a sign of periodontal disease.”

NIDCR (U.S. National Institutes of Health) — Periodontal (Gum) DiseasePassage verified word-for-word in saved copy
22

Early gum disease can often be reversed by daily brushing and flossing. Periodontal disease needs treatment from a dentist or dental hygienist.

“Early gum disease, caused by plaque buildup, can often be reversed by daily brushing and flossing. People with periodontal disease will need to receive treatment from a dentist or dental hygienist.”

NIDCR (U.S. National Institutes of Health) — Periodontal (Gum) DiseasePassage verified word-for-word in saved copy
23

Keep gums healthy by brushing twice a day with fluoride toothpaste, flossing regularly, routine dental check-ups and cleaning, and quitting all tobacco.

“Brushing your teeth twice a day with a fluoride toothpaste.”
“Flossing regularly to remove plaque from between teeth.”
“Visiting the dentist routinely for a check-up and professional cleaning.”
“Quitting all forms of tobacco.”

NIDCR (U.S. National Institutes of Health) — Periodontal (Gum) DiseasePassage verified word-for-word in saved copy
24

Saliva is very important for a healthy mouth: it moistens and breaks down food, washes food particles off teeth and gums, and helps you swallow.

“Saliva, or spit, is made by the salivary glands and is very important for a healthy mouth. It moistens and breaks down food, washes away food particles from the teeth and gums, and helps people with swallowing.”

NIDCR (U.S. National Institutes of Health) — Dry MouthPassage verified word-for-word in saved copy
25

Dry mouth raises the risk of tooth decay and fungal infections, because saliva helps keep harmful germs in check. It is not a normal part of aging.

“Dry mouth also increases the risk for tooth decay or fungal infections in the mouth because saliva helps keep harmful germs in check.”
“Dry mouth is not a normal part of aging.”

NIDCR (U.S. National Institutes of Health) — Dry MouthPassage verified word-for-word in saved copy
26

Hundreds of medicines can reduce saliva; medicines for high blood pressure, depression and bladder control often cause dry mouth.

“Hundreds of medicines can cause the salivary glands to make less saliva. For example, medicines for high blood pressure, depression, and bladder-control issues often cause dry mouth.”

NIDCR (U.S. National Institutes of Health) — Dry MouthPassage verified word-for-word in saved copy
27

Sjögren's disease, HIV/AIDS and diabetes can all cause dry mouth.

“Sjögren's disease, HIV/AIDS, and diabetes can all cause dry mouth.”

NIDCR (U.S. National Institutes of Health) — Dry MouthPassage verified word-for-word in saved copy
28

If a medicine is causing dry mouth, the doctor or dentist may change the medicine or dose, or prescribe a saliva substitute.

“if medication is causing dry mouth, the doctor or dentist may advise changing medications or adjusting the dosages, or may prescribe a saliva substitute.”

NIDCR (U.S. National Institutes of Health) — Dry MouthPassage verified word-for-word in saved copy
29

To ease dry mouth: sip water or sugarless drinks with meals, chew sugarless gum, limit caffeine, avoid tobacco and alcohol, and use a humidifier at night.

“Sipping water or a sugarless drink during meals.”
“Chewing sugarless gum or suck on sugarless hard candy to stimulate saliva flow”
“Avoiding or limit drinks with caffeine, such as coffee, tea, and some sodas.”
“Not using tobacco or alcohol. They dry out the mouth.”
“Using a humidifier at night.”

NIDCR (U.S. National Institutes of Health) — Dry MouthPassage verified word-for-word in saved copy
30

Dry mouth can cause a sticky, dry feeling; trouble chewing, swallowing, tasting or speaking; and bad breath.

“A sticky, dry feeling in the mouth.”
“Trouble chewing, swallowing, tasting, or speaking.”
“Bad breath.”

NIDCR (U.S. National Institutes of Health) — Dry MouthPassage verified word-for-word in saved copy
31

Use a mouthwash made for dry mouth. Because dry mouth raises the risk of decay, brush and floss regularly and see your dentist at least twice a year.

“Use a mouthwash made for dry mouth”
“Since dry mouth can raise your risk of tooth decay, it's important to brush and floss your teeth regularly and see your dentist at least twice a year.”

MedlinePlus (U.S. National Library of Medicine) — Dry MouthPassage verified word-for-word in saved copy
32

With a dry mouth, brush twice a day and use an alcohol-free mouthwash. Do not stop a prescribed medicine without medical advice, even if you think it is the cause.

“brush your teeth twice a day and use alcohol-free mouthwash – you're more likely to get tooth decay if you have a dry mouth”
“do not stop taking a prescribed medicine without getting medical advice first – even if you think it might be causing your symptoms”

NHS (UK National Health Service) — Dry mouthPassage verified word-for-word in saved copy
33

A pharmacist can advise on treatments you can buy to keep your mouth moist, such as gels, sprays, tablets or lozenges.

“If you have a dry mouth, ask a pharmacist about treatments you can buy to help keep your mouth moist.”
“gels”
“sprays”
“tablets or lozenges”

NHS (UK National Health Service) — Dry mouthPassage verified word-for-word in saved copy
34

Diabetes and some diabetes medicines can reduce saliva, which raises the risk of cavities, gum disease and other mouth problems.

“Diabetes and some medicines used to treat diabetes can cause the salivary glands in your mouth to make less saliva. When less saliva flows, the risk for dental cavities, gum disease, and other mouth problems increases.”

NIDDK (U.S. National Institutes of Health) — Diabetes, Gum Disease, & Other Dental ProblemsPassage verified word-for-word in saved copy
35

Gum disease is the most common and serious mouth problem related to diabetes, and high blood glucose raises the risk that it progresses from mild to severe.

“Gum disease, also called periodontal gum disease, is the most common and serious mouth problem related to diabetes.”
“High levels of blood glucose increase the risk that gum disease will progress from mild to severe.”

NIDDK (U.S. National Institutes of Health) — Diabetes, Gum Disease, & Other Dental ProblemsPassage verified word-for-word in saved copy
36

Almost 25% of U.S. adults with diabetes aged 50 and older have severe tooth loss, compared with about 16% of those without diabetes.

“Almost 25% of U.S. adults with diabetes ages 50 and older have severe tooth loss, compared with about 16% of those without diabetes.”

NIDDK (U.S. National Institutes of Health) — Diabetes, Gum Disease, & Other Dental ProblemsPassage verified word-for-word in saved copy
37

Dry mouth can be an important sign of diabetes, as can bad breath that doesn't go away with brushing. See your dentist right away if you notice mouth problems.

“dry mouth, an important sign of diabetes”
“bad breath that doesn’t go away when you brush your teeth”
“See your dentist right away if you notice any signs or symptoms of mouth problems.”

NIDDK (U.S. National Institutes of Health) — Diabetes, Gum Disease, & Other Dental ProblemsPassage verified word-for-word in saved copy
38

See a dentist or doctor for a sore, lump, thick patch, or white or red patch in the mouth lasting more than two weeks. Most mouth cancers are related to tobacco, alcohol or both.

“If you have any of these symptoms for more than two weeks, see a dentist or a doctor.”
“A sore, irritation, lump or thick patch in your mouth, lip, or throat.”
“A white or red patch in your mouth.”
“Most cancers in the mouth are related to tobacco use, drinking alcohol, or both”

NIDCR (U.S. National Institutes of Health) — Oral CancerPassage verified word-for-word in saved copy
39

Gum disease is caused by plaque build-up. Brush with fluoride toothpaste at least twice a day, spit rather than rinse, and do not use mouthwash straight after brushing.

“Gum disease is caused by a build-up of plaque on your teeth.”
“brush your teeth with fluoride toothpaste at least twice a day – spit after brushing, do not rinse”
“do not use mouthwash straight after brushing your teeth”

NHS (UK National Health Service) — Gum diseasePassage verified word-for-word in saved copy
40

Ask for an urgent dental appointment for very sore and swollen gums, loose teeth, ulcers or red patches, or a lump in the mouth or on the lip.

“very sore and swollen gums”
“teeth becoming loose or falling out”
“ulcers or red patches in your mouth”
“a lump in your mouth or on your lip”

NHS (UK National Health Service) — Gum diseasePassage verified word-for-word in saved copy
41

A mouth sore, lump, or white or red patch that hasn't healed in two weeks — see a dentist or doctor without delay.

“If you have any of these symptoms for more than two weeks, see a dentist or a doctor.”
“A sore, irritation, lump or thick patch in your mouth, lip, or throat.”
“A white or red patch in your mouth.”

NIDCR (U.S. National Institutes of Health) — Oral CancerPassage verified word-for-word in saved copy
42

Facial or jaw swelling with pain or fever may mean a spreading tooth infection — visit your dentist or an emergency room as soon as possible. If swelling affects breathing, go to the emergency room or call 911.

“But the infection will remain active and continue to spread.”
“Fever”

MedlinePlus (U.S. National Library of Medicine) — Tooth abscessPassage verified word-for-word in saved copy
43

Facial or jaw swelling with pain or fever may mean a spreading tooth infection — visit your dentist or an emergency room as soon as possible. If swelling affects breathing, go to the emergency room or call 911.

“Prompt treatment of a sinus or dental infection may prevent it from spreading and becoming orbital cellulitis.”

MedlinePlus (U.S. National Library of Medicine) — Orbital cellulitisPassage verified word-for-word in saved copy
44

Facial or jaw swelling with pain or fever may mean a spreading tooth infection — visit your dentist or an emergency room as soon as possible. If swelling affects breathing, go to the emergency room or call 911.

“Go to the emergency room or call the local emergency number (such as 911) if:”
“Breathing difficulty comes on suddenly or seriously interferes with your breathing and even talking”

MedlinePlus (U.S. National Library of Medicine) — Breathing difficultyPassage verified word-for-word in saved copy
45

Fruity-smelling breath with vomiting, deep fast breathing or confusion, especially with diabetes — call 911.

“A fruity odor to the breath is a sign of ketoacidosis , which may occur in people with diabetes. It is a potentially life-threatening condition.”

MedlinePlus (U.S. National Library of Medicine) — Breath odor (Medical Encyclopedia)Passage verified word-for-word in saved copy
46

Fruity-smelling breath with vomiting, deep fast breathing or confusion, especially with diabetes — call 911.

“Go to the emergency room or call 911 or the local emergency number if you or a family member with diabetes has any of the following:”
“Fruity breath”
“Nausea and vomiting”
“Decreased consciousness”

MedlinePlus (U.S. National Library of Medicine) — Diabetic ketoacidosisPassage verified word-for-word in saved copy
47

Loose adult teeth, or gums that bleed heavily or keep bleeding — see a dentist promptly.

“Urgent advice: Ask for an urgent dentist appointment if:”
“teeth becoming loose or falling out”

NHS (UK National Health Service) — Gum diseasePassage verified word-for-word in saved copy
48

Loose adult teeth, or gums that bleed heavily or keep bleeding — see a dentist promptly.

“Consult your provider if:”
“The bleeding is severe or long-term (chronic)”

MedlinePlus (U.S. National Library of Medicine) — Bleeding gumsPassage verified word-for-word in saved copy
49

Bad breath with thirst, frequent urination and weight loss — get your blood sugar checked soon.

“increased urination”
“feeling very thirsty”
“Talk with your primary health care professional about any symptoms you are having and ask if you should be tested for diabetes.”

NIDDK (U.S. National Institutes of Health) — Symptoms & Causes of DiabetesPassage verified word-for-word in saved copy
50

Numbness of the tongue, lip or another part of the mouth that lasts more than two weeks — see a dentist or doctor.

“If you have any of these symptoms for more than two weeks, see a dentist or a doctor.”
“Numbness in your tongue or other areas of your mouth.”

NIDCR (U.S. National Institutes of Health) — Oral CancerPassage verified word-for-word in saved copy
51

Facial or jaw swelling with pain or fever may mean a spreading tooth infection — visit your dentist or an emergency room as soon as possible. If swelling affects breathing, go to the emergency room or call 911.

“When you have a dental emergency, it’s important to visit your dentist or an emergency room as soon as possible.”

American Dental Association (MouthHealthy) — Dental EmergenciesPassage verified word-for-word in saved copy

Source documents

NIDCR (U.S. National Institutes of Health) — Periodontal (Gum) Disease
Saved 2026-10-19 · download · SHA-256 c904a4dd62602742…
NIDCR (U.S. National Institutes of Health) — Dry Mouth
Saved 2026-10-19 · download · SHA-256 0f73161fd54b761c…
NIDCR (U.S. National Institutes of Health) — Oral Cancer
Saved 2026-10-19 · download · SHA-256 8a0734741d8e97ab…
NIDDK (U.S. National Institutes of Health) — Diabetes, Gum Disease, & Other Dental Problems
Saved 2026-10-19 · download · SHA-256 5a18de0870da4954…
MedlinePlus (U.S. National Library of Medicine) — Bad Breath
Saved 2026-10-19 · download · SHA-256 1aa78d162e28fa77…
MedlinePlus (U.S. National Library of Medicine) — Breath odor (Medical Encyclopedia)
Saved 2026-10-19 · download · SHA-256 8ceb79392548d55f…
MedlinePlus (U.S. National Library of Medicine) — Dry Mouth
Saved 2026-10-19 · download · SHA-256 6027c439f1d93f4a…
NHS (UK National Health Service) — Bad breath
Saved 2026-10-19 · download · page date 05 June 2025 · SHA-256 9c0c005b4403ebf5…
NHS (UK National Health Service) — Gum disease
Saved 2026-10-19 · download · page date 20 April 2026 · SHA-256 1d213787d2b12d08…
NHS (UK National Health Service) — Dry mouth
Saved 2026-10-19 · download · page date 29 November 2023 · SHA-256 27ce8c3a33243a6d…
MedlinePlus (U.S. National Library of Medicine) — Tooth abscess
Saved 2026-10-22 · download · SHA-256 99cf99b62ac783ed…
MedlinePlus (U.S. National Library of Medicine) — Orbital cellulitis
Saved 2026-10-22 · download · SHA-256 709cd8f1ef6b50c7…
MedlinePlus (U.S. National Library of Medicine) — Breathing difficulty
Saved 2026-10-22 · download · SHA-256 713f9d7c4a8372a1…
MedlinePlus (U.S. National Library of Medicine) — Diabetic ketoacidosis
Saved 2026-10-22 · download · SHA-256 33257e0609f3ac68…
MedlinePlus (U.S. National Library of Medicine) — Bleeding gums
Saved 2026-10-22 · download · SHA-256 2bd0a232e03ed3b2…
NIDDK (U.S. National Institutes of Health) — Symptoms & Causes of Diabetes
Saved 2026-10-22 · download · SHA-256 5a0a62f453609ee4…
American Dental Association (MouthHealthy) — Dental Emergencies
Saved 2026-10-26 · download · SHA-256 7bf375d9fc3af915…

Historical perspective: Dr. Majid Ali archive

Historical perspective drawn from the authorized writings of Dr. Majid Ali, preserved in the Clarkson archive. Shown for context; it is not current medical guidance.

Bad Breath 2014-04-17
Source of the quoted line, which he adapted from Tolstoy. Its colon-fermentation theory and peroxide material are not carried.
A guide to a healthy mouth and oral cavity 2015-01-19
Source for his view that the mouth is worth examining rather than merely cleaning. Bowel-ecology, detox and protocol passages not carried.
Halitosis Prevention and Treatment 2014-06-13
His fullest halitosis piece. Detox and infection-treatment passages not carried.
Acid Throat and Reflux 2014-11-14
Source for his observation that reflux can show up as a throat or mouth complaint. Treatment claims not carried.

Claims we deliberately did not carry

That bad breath is mostly rooted in colon or stomach fermentation, and that the tongue reports on bowel ecology.
Current guidance says bad breath is usually related to dental hygiene.⁵ His bowel theory is not carried.
Hydrogen peroxide rinses and foot soaks, and his sesame-oil "oral protocol", as treatments.
Peroxide therapy is on the red list of the authorized source index. Not recommended; not carried.
Antifungal, anti-parasitic and bowel-detox regimens for mouth conditions.
Detox framing and infection-treatment claims are held for pharmacist review. ProperHealth does not treat oral infections.
That leukoplakia, canker sores and thrush come from bowel ecology and respond to his protocol.
Rejected. A white or red patch or sore lasting more than two weeks needs a dentist or doctor.³⁸

Safety wording awaiting sign-off

The 'When to get help now' list is ProperHealth safety wording. Each line cites the official guidance it follows, and those passages are listed above with the other claims. The wording still needs pharmacist sign-off before public use.