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Online learning page in the field of periodontology, oral implantology, endodontics and aesthetic de

18/09/2026

Could periodontitis belong in the fertility conversation? Maybe. But not the way social media wants to say it.

A 2026 scoping review mapped 22 studies on the periodontal and female reproductive axis: infertility, endometriosis, and recurrent implantation failure (Mujica et al., 2026).

The proposed route is inflammation. Immune signaling, oxidative stress, pathogen exposure, systemic inflammatory burden. The biology is plausible. The clinical proof is thinner.

This does not show that periodontitis causes infertility. And it does not show that periodontal treatment improves fertility, implantation, IVF success, or pregnancy outcomes.

The clinical signal is messy. One 2026 study comparing women with idiopathic infertility against pregnant controls found no major differences in bleeding on probing or probing depth (Kovacs et al., 2026).

So the message for the chair is not "treat your gums and fix fertility." It is this: periodontal inflammation can be part of preconception health, you treat periodontal disease for periodontal reasons, you say "associated" and not "causes", and you promise no pregnancy outcome.

References: Mujica et al., BMC Oral Health, 2026; Kovacs et al., Oral Health & Preventive Dentistry, 2026; Marquez-Arrico et al., Medicina Oral, 2024; Ricci et al., Biomedical Reports, 2022.

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17/09/2026

Can a brush and four genes tell you which mouth lesion needs a biopsy this week?

In a 2026 diagnostic study, researchers took 1,090 paired brush samples from 545 patients. The qMIDS-V3 test measured mRNA from four genes: INHBA, S100A16, YAP1 and POLR2A.

Separating oral squamous cell carcinoma from leukoplakia and oral lichen planus, the reported sensitivity was 95.7% and the specificity 95.1% (Teh et al., 2026). In plain terms, about 96 of every 100 known cancers were flagged, and about 95 of every 100 non cancer lesions were correctly left alone.

Read the design before you read the numbers. The sample held 443 known cancers against 102 potentially malignant or inflammatory lesions. Any test looks sharper in that mix than it will on a normal clinic day, where cancer is rare and borderline lesions are common. It does not replace examination, scalpel biopsy or histopathology.

The realistic use is narrower: deciding which visible lesion goes for urgent biopsy now, and which one can be watched with a date already in the diary.

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16/09/2026

Titanium needs a living border. The tissue around an implant has work to do.

Schupbach and Glauser's 2007 microscopy takes us inside the peri-implant mucosa: an epithelial interface, migrating neutrophils, a collagen framework and surface renewal.

The authors reported basal lamina and hemidesmosomes at the implant interface. They also observed neutrophils moving between epithelial cells and collagen bundles arranged around the implant.

But a defense is not a guarantee. Some specimens showed bacterial accumulation and epithelial disruption.

The limit: five people, 12 experimental mini-implants, eight weeks. This was descriptive histology, not a test of which implant lasts longest. A 2026 review still describes open debate about the nature of epithelial attachment to implants. The 2007 interpretation is not the last word.

The living interface deserves as much curiosity as the titanium.

Save this carousel for your next implant biology discussion.

Visuals are AI-generated conceptual illustrations inspired by microscopy, not actual histological sections or patient images. Different views use different magnifications. The slides are not a time-lapse or a prediction of disease.

Sources: Schupbach and Glauser, J Prosthet Dent, 2007;97:S15-S25 (10.1016/S0022-3913(07)60004-3). Aellos et al., J Periodontal Res, 2026 (10.1111/jre.70091).

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15/09/2026

The body never meets titanium alone. And bone is not where the story starts.

Before new bone forms, fluids condition the oxide-bearing surface. Proteins adsorb, exchange and change shape. A developing clot provides a provisional matrix. Immune cells help shape the healing environment.

These events overlap. They are not eight rigid steps on a universal clock.

The distinction worth keeping: explaining early biology is not the same as proving which implant surface gives better long-term clinical outcomes. A mechanism, however convincing, is a starting point for a clinical question, not its answer.

Save this sequence for your next implant biology discussion.

Visuals are AI-generated conceptual illustrations, not clinical photographs or histology. Molecular, cellular and tissue views use different scales; they do not show a measured time course or predict a patient's outcome.

Sources: Barberi and Spriano, 2021 (10.3390/ma14071590); Wu et al., 2022 (10.2147/IJN.S362720); Amengual-Penafiel et al., 2021 (10.1016/j.jdsr.2021.01.001); Shah et al., 2019 (10.1016/j.actbio.2018.11.018); Abdo et al., 2025 (10.1038/s41415-025-8813-1).

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14/09/2026

Can an implant survive and still be unhealthy?

A prospective study followed 31 participants restored with four or five immediately loaded implants supporting fixed complete prostheses. After a mean 29.4 months from placement, implant survival was 99.26% (Kotsailidi et al., 2026).

At 24 months, peri-implant mucositis affected 90.1% of implants and peri-implantitis 9.9%. Inflammation beneath the prosthesis appeared in 50% of cases, and soft-tissue overgrowth in 30%.

Survival asks whether the implant is still in function. Health asks whether the tissue around it is free from inflammation and progressive bone loss. Those are two different questions.

Read it with its limits. The cohort was small, used one prosthetic approach, and had relatively short follow-up. It does not set a 90% mucositis rate for every full-arch rehabilitation, and mean bone levels stayed relatively stable.

What I take to the clinic: every full-arch review gets two columns. Does it survive? Is it healthy?

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13/09/2026

A carousel used to cost Francisco two days: one in Illustrator drawing every implant by hand, one in Canva fitting the text and exporting again.

Now he types the topic, reviews the plan, approves the cover and checks every claim. The connective tissue graft carousel he made that way reached 3,399 likes.

The article covers the image models he tried, the one rule he keeps (the model never writes the text), and how the same pipeline became Carousel Studio on Periospot.

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12/09/2026

A maintenance visit is not just a cleaning.

In a 24-month randomized trial, 56 patients who had completed active periodontal treatment received either supragingival instrumentation with polishing and oral hygiene instruction, or that same program plus subgingival instrumentation.

Both groups improved. The group that also received subgingival instrumentation had better bleeding outcomes and fewer residual pockets with bleeding at 24 months.

Long term cohort data add the reason this matters: deeper residual pockets during supportive care are associated with greater tooth loss risk. That is an association, not proof of cause.

This is not an argument for full mouth reinstrumentation at every recall. The trial was small, maintenance protocols differ between practices, and smoking and pocket depth influenced the response.

How I read it: supportive care is an active loop. Reassess. Find the sites that stay inflamed or deep. Check access, calculus, plaque control and host factors. Instrument where indicated. Reinforce self care. Then set the interval and re-evaluate.

The polish finishes the appointment. It should not define it.

References: Isola et al., 2026; Matuliene et al., 2008; Saleh et al., 2024.

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10/09/2026

Can a gum bacterium leave an immune memory behind after it is gone?

In a 2026 study, bone marrow from mice infected with Porphyromonas gingivalis was transplanted into recipient mice. Colitis was then induced, and those recipients developed more severe intestinal inflammation (Lu et al., 2026).

The proposed mechanism is specific. In macrophages, P. gingivalis pushed metabolism toward glycolysis, lowered NAD+ and SIRT1 activity, and kept H3K27 acetylation high after the bacterium itself was no longer there. Challenged again, those cells mounted a stronger inflammatory response.

Blocking glycolysis or activating SIRT1 reversed key effects in the model. That is what makes the mechanism more than a correlation.

Now the boundary. These were mice and cultured cells. This does not show that P. gingivalis causes inflammatory bowel disease in people, and it does not show that treating periodontitis prevents or treats colitis.

What it does suggest is that the inflammatory cost of a periodontal pathogen may outlast the pathogen. Worth watching, and for now preclinical.

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09/09/2026

Your first root coverage case is decided before you pick up a blade.

Root coverage is technique sensitive. That phrase gets used loosely, but here it means something specific: the same procedure, done by two clinicians on the same defect, can end with complete coverage or with a graft that necroses.

Jorge Alania wrote eight rules for Periospot on how to set up that first case.

1. Choose a single recession on a canine or premolar. Not a multiple defect, not a lower incisor.
2. Use an open flap technique. You need to see what you are doing.
3. Have the right instruments and suture ready before you start.
4. Know the anatomy you are about to raise, the palate included.
5. Condition the root surface before the graft goes anywhere near it.
6. Use a de-epithelialized free gingival graft.
7. Make a protective stent for the palate. The donor site is part of the case.
8. Treat suturing as a second surgery, not as the end of the first.

These are recommendations built on clinical experience, not a graded evidence protocol, and they will not rescue a case that was wrong to select. That is the point of rule one. Most of what goes wrong in a first root coverage is chosen, not caused.

Full article by Jorge Alania on the Periospot Spanish blog.

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08/09/2026

Can cleaning an implant make healing harder?

A 2026 randomized clinical trial compared abrasive titanium scalers with a nonabrasive rotary polymer microbrush during a staged reconstructive protocol for peri-implantitis.

At 12 months, disease resolution was reported in 62.5% of participants in the nonabrasive group versus 16.7% in the abrasive group. The nonabrasive protocol also showed 1.50 mm greater mean bone gain and 1.93 mm greater probing depth reduction.

Now the limits. This was a small trial in selected intrabony defects. Titanium concentration showed only a trend toward a difference at 8 weeks, with no difference at 12 months. The study does not prove that titanium release caused the clinical outcome.

The narrower takeaway: implant decontamination is not about removing more. It is about removing biofilm while preserving the surface and the healing environment.

Before choosing an instrument, ask about access, implant surface, contact mechanics, defect morphology, and the endpoint you are trying to achieve.

References: Kotsakis et al., 2026; Daubert et al., 2023; Jazaeri et al., 2026.

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