Probiotics for Oral Flora: The Complete Guide

What is oral flora?

Oral flora – also known as the oral microbiome – is a complex ecosystem of over 700 different species of bacteria living in your oral cavity. These microorganisms colonize the tongue, gums, cheek lining, and tooth surfaces. A healthy balance of these bacteria is crucial for overall oral health.

Ideally, beneficial and potentially harmful bacteria keep each other in check. If this balance is disturbed – by antibiotics, poor diet, stress, or aggressive mouthwashes – problems such as bad breath, tooth decay, gingivitis, and periodontitis can arise.

What are oral probiotics?

Oral probiotics are live microorganisms that specifically support the oral flora. Unlike gut probiotics, which are swallowed as capsules, oral probiotics must remain in the oral cavity to be effective. Therefore, they are typically offered as lozenges.

The most important bacterial strains for oral flora are:

• Lactobacillus salivarius – Produces antimicrobial substances against pathogens and inhibits plaque formation
• Lactobacillus reuteri – Proven to reduce gingivitis and improve oral health
• Lactobacillus paracasei – Supports the immune system in the oral cavity
• Streptococcus salivarius K12 – Displaces odor-producing bacteria and protects the throat area
• Lactobacillus plantarum – Strengthens the oral mucosa and supports natural defenses

How do probiotics work in the oral cavity?

1. Competitive exclusion

Probiotic bacteria colonize the same niches as harmful germs. Their presence displaces odor-producing and pathogenic bacteria – a natural process with no side effects.

2. Production of antimicrobial substances

Many probiotic strains produce bacteriocins – natural antibiotics that specifically act against harmful bacteria without affecting the beneficial flora.

3. Strengthening the immune system

The oral mucosa is part of the immune system. Probiotics support local immune defense and help the body ward off infections in the mouth and throat.

4. pH value regulation

Probiotic bacteria help stabilize the pH value in the mouth. A balanced pH value protects tooth enamel and prevents the multiplication of acid-producing bacteria.

When are oral probiotics beneficial?

Taking oral probiotics is particularly recommended for:

• Chronic bad breath (halitosis) – when conventional oral care is not sufficient
• After antibiotic use – to restore disturbed oral flora
• Gum problems – with bleeding gums or gingivitis
• Recurrent infections – frequent colds or sore throats
• Dry mouth (xerostomia) – e.g., due to medication
• General oral health prevention – as a supplement to daily dental care

Probiotics vs. Mouthwash: Which is better?

Criterion	Antiseptic mouthwash	Oral probiotics
Mode of action	Kills bacteria (even beneficial ones)	Strengthens beneficial bacteria
Duration of action	Short-term (hours)	Long-term (weeks–months)
Side effects	Taste disturbances, discoloration	None known
Oral flora	Is weakened	Is strengthened
Sustainability	Symptomatic treatment	Addressing the root cause

Delvina MundFlora+: The Premium Solution

The Delvina MundFlora+ PRO lozenges combine 5 scientifically researched bacterial strains in a single tablet:

• Lactobacillus salivarius, L. reuteri, L. paracasei, L. plantarum and S. salivarius K12
• Additionally enriched with Vitamin D3 for teeth and immune system
• 90 tablets for a 30-day course (3 times daily)
• Sugar-free, vegan and Made in Germany
• GMP-certified and laboratory tested by GBA Group

For getting started, the Delvina MundFlora lozenges with Lactobacillus salivarius are also suitable – available in 4 delicious flavors.

Tips for optimal effect

1. Timing: Take the lozenge after brushing your teeth – so the probiotics can settle undisturbed
2. Suck slowly: Do not chew, but let it dissolve slowly in your mouth
3. Regularity: Take continuously for at least 30 days for lasting results
4. No aggressive mouthwash: Alcohol-containing mouthwashes can kill probiotic bacteria
5. Storage: Store in a cool, dry place to maintain the viability of the bacteria

Conclusion: Probiotics as the future of oral care

Oral probiotics represent a paradigm shift in oral care: instead of killing all bacteria, they specifically strengthen beneficial microorganisms. Research increasingly shows that a healthy oral microbiome is the key to lasting oral health.

Discover the Delvina MundFlora+ PRO with 5 bacterial strains now – for a sustainably healthy oral flora. Natural. Effective. Made in Germany.