In fact, eugenol is still used in certain dental materials because of its:
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Mild numbing effect
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Anti-inflammatory properties
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Antimicrobial activity
Traditionally, people have applied clove oil to temporary tooth discomfort.
Important Note
Clove oil should never be applied directly in large amounts to the gums without professional guidance.
Concentrated clove oil may irritate the mouth and should not replace dental treatment for tooth decay or infection.
Persistent tooth pain always requires evaluation by a dentist.
3. Potential Anti-Inflammatory Properties
Inflammation is a normal part of the body's immune response.
However, long-term inflammation may contribute to chronic diseases.
Laboratory and animal studies suggest that compounds in cloves may help regulate inflammatory processes.
Although these findings are encouraging, more clinical trials are needed before conclusions can be made about their effects in humans.

4. Antimicrobial Activity
Research has shown that clove extracts may inhibit the growth of certain bacteria and fungi under laboratory conditions.
Because of these properties, cloves are commonly found in:
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Mouthwashes
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Toothpastes
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Herbal oral-care products
However, laboratory findings do not necessarily mean cloves can treat infections in people.
Medical infections should always be managed according to healthcare professional recommendations.
5. Supporting Digestive Comfort
Traditional medicine has long used cloves to support digestion.
Some people report that cloves may help relieve occasional:
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Bloating
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Gas
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Mild indigestion