Χειρουργός Οδοντίατρος - Εμφυτευματολόγος Λίνα Ανάτσελου

06/08/2026

Scientists just demonstrated a way to eliminate one of the most important bacteria behind gum disease—without disrupting the healthy microbes that help protect the mouth.

Researchers at Nagoya University developed an experimental therapy called Near-Infrared Photo-Antibacterial Targeting Therapy (NIR-PAT²) that selectively targets Porphyromonas gingivalis, a keystone pathogen strongly associated with periodontitis. Instead of broadly killing oral bacteria like conventional antibiotics or standard antimicrobial photodynamic therapy, this approach uses a specific antibody linked to a light-sensitive dye. Once the antibody binds to P. gingivalis, near-infrared light activates the dye, destroying the harmful bacterium while leaving surrounding beneficial bacteria largely unaffected.

In laboratory experiments, the therapy selectively eliminated P. gingivalis without damaging healthy human gum cells. In mouse models of periodontitis, it significantly reduced alveolar bone loss and helped restore a healthier oral microbiome by preserving beneficial Streptococcus species that were lost with conventional treatments. Researchers also observed less release of inflammatory bacterial endotoxins compared with traditional antimicrobial photodynamic therapy.

This research represents a shift toward precision microbiome therapy—treating disease-causing bacteria while preserving the beneficial microbial community that supports oral health. Although these findings are highly promising, the therapy has so far been evaluated only in laboratory studies and animal models. Human clinical trials will be necessary before it can become part of routine periodontal treatment.

📚Source: Journal of Translational Medicine (2026).
Maruyama H, et al. Near infrared photo-bacterialflora modulation technology realized controlling periodontitis: modulation of disease-associated dysbiosis in oral microbiota using near infrared photo-antibacterial targeting therapy (NIR-PAT²). DOI: 10.1186/s12967-026-08336-2

09/04/2026

Αγαπημένοι μου, πάντα να χαμογελάτε και να κοιτάτε ψηλά, καλή Ανάσταση σας εύχομαι με Υγεία και Ειρήνη για όλο τον κόσμο. ❤

20/03/2026

Ορίστε, το λένε και άγιοι άνθρωποι!!! Καλό Σαββατοκύριακο αγαπημένοι μου!!!

08/03/2026

❤

06/02/2026

Researchers are uncovering a surprising connection between gum disease and breast cancer.

A well-known oral bacterium linked to periodontitis has been detected inside breast cancer tissue, raising new questions about how oral health may influence disease beyond the mouth.

According to recent findings, this bacterium can travel from the oral cavity to the breast, likely spreading through the bloodstream or the mammary ducts.

Once inside breast tissue, it doesn’t remain passive—it can adapt to the tumor environment and persist within cancer cells.

Even more concerning, laboratory evidence suggests this gum disease–associated bacterium may accelerate tumor growth and progression by interacting with cancer cells and the immune system.

This does not mean gum disease causes breast cancer, but it highlights a possible biological link worth serious attention.

The takeaway is clear: oral health is not isolated from overall health. Preventing and treating periodontal disease is not just about saving teeth—it may play a role in reducing systemic inflammation and potential downstream health risks.
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Source: Parida S, Nandi D, Verma D, et al. A pro-carcinogenic oral microbe internalized by breast cancer cells promotes mammary tumorigenesis. Cell Communication and Signaling. 2026;
DOI: 10.1186/s12964-025-02635-9.

30/01/2026

12/10/2025

Ενδιαφέρον..!!!

Brushing with the non-dominant hand may look awkward—but it’s one of the simplest ways to engage your brain while caring for your oral health. Studies in neuroplasticity show that performing routine actions differently forces the brain to “wake up,” strengthening communication between both hemispheres. This cross-activation boosts coordination, focus, and adaptability—just like exercising a new muscle.

When the brain encounters an unfamiliar task, it forms new neural pathways to handle it. Over time, these small daily challenges improve cognitive resilience and keep gray matter active. The process is similar to mental “resistance training,” enhancing memory and attention while reducing the long-term risk of cognitive decline. Even subtle acts—switching brushing hands or changing brushing sequence—train the brain to stay alert and flexible.

25/09/2025

Did you know gum disease in pregnancy can increase the risk of premature birth up to 7 times?

Research suggests that gum disease during pregnancy can increase the risk of premature birth by up to seven times. Poor oral hygiene isn’t just about teeth — it can directly impact the health of both mother and baby.

Expectant mothers with untreated gum disease or oral infections are significantly more likely to experience complications such as preterm delivery or low birth weight. This happens because inflamed gums release harmful bacteria and inflammatory markers, which can enter the bloodstream, affect the placenta, and interfere with healthy fetal development.

Good oral care in pregnancy goes beyond keeping a bright smile. Brushing twice daily, flossing, and routine dental checkups help lower gum inflammation, reduce harmful bacteria, and protect overall health. These preventive steps are as vital as prenatal vitamins and ultrasounds when it comes to safeguarding pregnancy outcomes.

Hormonal changes during pregnancy can make gums more sensitive and prone to gingivitis, so staying proactive with oral hygiene is essential. Healthy gums mean a healthier pregnancy — and a healthier baby.

📚 Sources:
1. Jeffcoat MK, Geurs NC, Reddy MS, Cliver SP, Goldenberg RL, Hauth JC. Periodontal infection and preterm birth: results of a prospective study. J Am Dent Assoc. 2001;132(7):875-80. PMID: 11480640

2. Adeleye KK, Chung J. The impact of maternal gum disease on pregnancy outcomes using PRAMS data. PLoS One. 2025;20(7):e0325588. doi:10.1371/journal.pone.0325588

3. Michalowicz BS, Hodges JS, Novak MJ, et al. Treatment of periodontitis and the risk of preterm birth. N Engl J Med. 2006;355(18):1885-94. doi:10.1056/NEJMoa062249

13/09/2025

A single drop of saliva may look like nothing more than water, but under a microscope it is a universe of life. Scientists estimate that more than 700 different bacterial species can live inside the human mouth — and every drop of saliva carries a mix of them. The surprising part? Many of these microbes are still poorly understood, with new species being discovered even today.

Most of these bacteria are not harmful. In fact, they help maintain balance, aid in digestion, and even protect against dangerous invaders. But when this delicate ecosystem is disturbed — by poor oral hygiene, sugary diets, or smoking — the same microbes can turn destructive. Harmless residents may trigger gum disease, tooth decay, or even infections that spread beyond the mouth.

For researchers, saliva has become a treasure chest of medical clues. Because the mouth reflects overall health, saliva testing is now being explored to detect diabetes, heart disease, and even certain cancers. The bacteria within it can act like biomarkers, warning of problems long before symptoms appear.