Garlic cannot cure a tooth infection because allicin, which inhibits oral bacteria in lab dishes, never reaches an abscess sealed inside the tooth.
We understand the appeal at Oxboro Family Dental, since a clove is already in the kitchen and a dental visit takes planning. The infection sits where no home remedy can touch it, and waiting gives it time to spread.
Can Garlic Cure a Tooth Infection?
Garlic cannot cure a tooth infection. A tooth infection, also called a dental abscess, is a pocket of pus caused by bacteria, usually at the tip of the root. Clearing it takes a dentist who can open the tooth or the gum and remove what is inside.
The table shows how each common hope for garlic holds up against the research and current dental guidance.
| What people expect garlic to do | Does it work | What does |
|---|---|---|
| Kill the bacteria inside the abscess | No | A root canal that cleans out the infected pulp |
| Drain the pus | No | A dentist opening and draining the abscess |
| Stop the infection from spreading | No | Removing the source, plus antibiotics when the infection has spread |
| Ease the pain | Unproven for infected teeth | A nonprescription pain reliever and warm salt water rinses, for short-term comfort |
| Replace antibiotics | No | Dental treatment first, with antibiotics added for fever or spreading swelling |
Throbbing that comes and goes can also start with a crack, a cavity, or grinding, and we cover those causes in our guide to sudden or random tooth pain.
Does Garlic Kill the Bacteria in a Tooth Infection?
Garlic slows or kills oral bacteria in a laboratory, and that finding has not carried over to an infected tooth. Allicin is the compound in garlic that researchers credit with its germ-fighting effect. In a 2011 study in the Journal of Medicinal Food, allicin stopped the growth of cavity and gum disease bacteria at 300 to 2,400 micrograms per milliliter, depending on the species. The same team found the killing effect weakened as the layer of bacteria got thicker.
A lab dish puts allicin in direct contact with bacteria at a measured dose. An infected tooth works like a sealed jar with something spoiled inside. Wiping the outside of the jar with disinfectant leaves the contents untouched.
Garlic’s reputation comes mostly from pain relief, and we look at that separately in our post on garlic for toothache pain.
Why Can’t Garlic Reach a Tooth Abscess?
Garlic cannot reach a tooth abscess because the infection sits inside the tooth and under the gum and bone. Bacteria get in through a deep cavity, a chip, or a crack, then travel down to the root tip. Pus collects there. A clove pressed on the gum touches the surface only.
Left alone, a tooth abscess will not go away without treatment, and the infection can move into the jaw and other parts of the head and neck. Our post on whether bad teeth can make you sick covers what happens when bacteria from the mouth travel further.
Can a tooth infection go away on its own?
A tooth infection does not go away on its own. The abscess stays until a dentist drains it and treats or removes the tooth. Symptoms can fade for a while, which makes the problem easy to ignore. During that quiet stretch the infection can still spread to the jaw, head, or neck.
Why did the pain stop if the infection is still there?
Pain often stops because the abscess has burst and the pressure is gone. A sudden rush of foul-tasting, salty fluid followed by relief is the usual sign. Anyone who tried a home remedy that week will tend to credit the remedy. The tooth still needs dental treatment even though it feels better.
Is It Safe to Put Garlic on an Infected Tooth?
Raw garlic held against the gum can burn it. One published case report describes a patient who tucked crushed garlic into the cheek overnight for a toothache and developed a chemical burn that left the tissue sloughing and ulcerated. The burn needed its own treatment, and the toothache was still there.
For that reason we do not suggest any method, amount, or timing for garlic on a tooth or gum. A remedy that can injure the mouth while leaving the infection in place is a poor trade.
The larger risk is delay, since an untreated abscess can spread.
What Treats a Tooth Infection?
A dentist treats a tooth infection by removing its source. Depending on the tooth, the dentist will drain the abscess, perform a root canal, or remove the tooth.
A root canal clears the infected pulp and keeps the tooth, and our page on root canal treatment in Bloomington explains how the visit goes. When a tooth cannot be saved, a tooth extraction takes the infection out with it.
At our office on Lyndale Avenue in Bloomington, the visit starts with an exam and digital X-rays. An intraoral camera lets you see the tooth on a screen while we explain what we found.
Do you need antibiotics for a tooth infection?
Often you do not. The American Dental Association recommends against antibiotics for most of these infections in adults with healthy immune systems and points to dental treatment instead. Antibiotics come in when fever or feeling unwell shows the infection is spreading. A prescription antibiotic works alongside dental treatment, and the tooth still has to be treated.
An exam and a digital X-ray show where the infection sits and which treatment fits.
Find Out What Your Tooth Needs
What Helps Tooth Infection Pain Until You See a Dentist?
Two simple measures can take the edge off while you wait for your appointment: a warm salt water rinse and a nonprescription pain reliever.
Recommended:
- Rinse your mouth with warm salt water
- Take acetaminophen or ibuprofen as the label directs, if those medicines are OK for you
- Call a dentist promptly, even if the pain eases
A toothache that starts throbbing on a Friday night is a common case. Our office books general visits Monday through Thursday, so the wait could run to Monday morning. Use the rinse and the pain reliever for comfort, call us when we open at 8:00 am on Monday, and watch for the red flags below over the weekend.
Red flags: go to an emergency room if you have any of these.
- Fever together with swelling in your face, when you cannot reach a dentist
- Trouble breathing
- Trouble swallowing
Fever with facial swelling, trouble breathing, and trouble swallowing can each mean the infection has spread deeper into the jaw, throat, or neck.
TL;DR: Does Garlic Work for a Tooth Infection?
- Garlic cannot cure a tooth infection or drain an abscess.
- Allicin stopped oral bacteria in lab dishes at 300 to 2,400 micrograms per milliliter, a result that has not been shown inside an infected tooth.
- Raw garlic held against the gum has caused chemical burns.
- Draining the abscess, a root canal, or an extraction treats the infection, and the ADA recommends against antibiotics for most cases.
- Fever with facial swelling, or trouble breathing or swallowing, means a trip to the emergency room.
If a tooth has been throbbing or the gum beside it is swollen, we can look at it and tell you what is going on.
Schedule a Tooth Infection Exam
Call (952)-888-3161 during office hours.
FAQ
How do I use garlic for a tooth infection?
We do not recommend using garlic on a tooth infection in any form. Garlic held against the gum has caused chemical burns, and the infection sits out of its reach inside the tooth. A warm salt water rinse and a nonprescription pain reliever are better choices while you arrange a dental visit.
Can garlic prevent tooth infections?
Eating garlic has not been shown to prevent tooth infections. Prevention comes down to stopping decay: brushing twice a day with fluoride toothpaste, cleaning between teeth daily, limiting sugary snacks, and keeping regular checkups so small cavities are filled early.
Will garlic pills or supplements treat a tooth abscess?
We could not find a clinical study showing that garlic supplements clear a tooth abscess. The reason matches the rest of the evidence: the infection is sealed inside the tooth and bone, and a dentist has to open that space to remove it. Tell your dentist about any supplement you take.
When should I go to the emergency room for a tooth infection?
Go to an emergency room if you have a fever and facial swelling and cannot reach your dentist, or if you have any trouble breathing or swallowing. Those symptoms can mean the infection has spread into the jaw, throat, or neck. The tooth will still need dental treatment afterward.
Does dental insurance cover treatment for a tooth infection?
Coverage depends on your plan and on the treatment the tooth needs. Oxboro Family Dental participates in Delta Dental Premier, Health Partners, and Premier Dental Network, and we accept CareCredit. Our front office can discuss fees with you once the dentist has examined the tooth.