Oral Health & Heart Disease: How Your Mouth Predicts Your Heart

Quick answer: Periodontal disease affects approximately 47% of adults over 30 in the United States, making it one of the most prevalent chronic infections in medicine — yet most conventional medical workups never assess oral health. The mouth is not a separate system: the oral microbiome directly seeds the gut, cardiovascular system, brain, and placenta through bacteremia and inflammatory mediator release, creating bidirectional relationships between oral health and Alzheimer’s disease, cardiovascular disease, type 2 diabetes, adverse pregnancy outcomes, and rheumatoid arthritis that represent major opportunities for systemic disease prevention through oral health optimization.

The oral cavity hosts approximately 700 bacterial species — the second most diverse microbiome in the human body after the gut. Like the gut microbiome, the oral microbiome exists in a dynamic balance between commensal organisms that maintain tissue homeostasis and pathogenic species that, when allowed to dominate, drive local tissue destruction and systemic inflammation. The functional medicine approach to oral health applies the same root-cause analysis used throughout the body: identifying the nutritional deficiencies, immune dysregulation, microbiome imbalances, and mechanical factors that tip the oral ecosystem toward dysbiosis, rather than simply treating symptoms.

The Oral Microbiome: Architecture and Dysbiosis

The oral microbiome comprises distinct ecological niches with characteristic microbial communities: the supragingival plaque on tooth surfaces, subgingival plaque beneath the gum margin, tongue dorsum, buccal mucosa, palate, and saliva. Stability of these communities depends on maintaining appropriate pH (saliva normally 6.7–7.4), adequate salivary flow, immune competence, and a diet low in fermentable carbohydrates that fuel acidogenic bacteria.

Dental caries results from ecological shift toward acid-producing organisms — primarily Streptococcus mutans and Lactobacillus species — driven by frequent dietary sugar exposure. These organisms ferment sugars to lactic acid, demineralizing enamel at pH below 5.5. The ecological plaque hypothesis (Marsh 2003) correctly frames caries not as an infection by specific pathogens but as an ecological disruption — the same organisms exist in healthy mouths in low abundance, becoming pathogenic only when diet and hygiene allow them to dominate.

Periodontal disease follows a similar ecological disruption pattern but with more systemic consequences. Periodontitis — inflammation and destruction of the periodontal ligament, alveolar bone, and gingival tissues — is driven by the “red complex” pathogens: Porphyromonas gingivalis (Pg), Treponema denticola, and Tannerella forsythia. Among these, Porphyromonas gingivalis is the keystone pathogen — it produces proteases (gingipains) that degrade complement, impair neutrophil function, and create a permissive environment for polymicrobial dysbiosis even at low abundance. Understanding that Pg is a “disruptor” rather than a high-burden infection explains why even subclinical Pg presence can drive significant systemic effects.

Porphyromonas Gingivalis and Alzheimer’s Disease

The strongest and most clinically impactful oral-systemic connection identified in recent years is between Porphyromonas gingivalis and Alzheimer’s disease. Dominy et al. (2019, Science Advances) published a landmark study demonstrating: (1) P. gingivalis was present in the brains of 96% of Alzheimer’s patients examined at autopsy; (2) gingipain proteases (toxic P. gingivalis virulence factors) were detected in Alzheimer’s brain tissue at higher levels in more advanced disease; (3) oral infection with P. gingivalis in mice produced neuroinflammation, tau hyperphosphorylation, and amyloid-β production consistent with Alzheimer’s pathology; (4) gingipain inhibitors prevented these neurological changes in mouse models and reduced bacterial load in brain tissue.

The mechanistic pathway from gum disease to Alzheimer’s is now partially elucidated. P. gingivalis reaches the brain through multiple routes: hematogenous spread during bacteremia (occurring transiently with every toothbrushing in individuals with periodontitis), direct axonal transport via the trigeminal nerve from the jaw, and possibly through the cribriform plate from the nasal cavity. In the brain, gingipains degrade tau (creating neurotoxic fragments that seed neurofibrillary tangles), activate the complement system driving neuroinflammation, and directly kill neurons. Antimicrobial treatment with COR388 (atuzaginstat), a gingipain inhibitor developed after the Dominy study, has entered Phase 2/3 clinical trials for Alzheimer’s disease — the first anti-infective approach to AD to reach late-stage trials.

The epidemiological data supporting this connection is substantial. Kaye et al. (2010) — a 32-year longitudinal study — found that each additional tooth lost (a proxy for cumulative periodontal disease burden) correlated with significantly higher dementia risk. A 2020 meta-analysis of 13 studies by Holmer et al. found periodontal disease was associated with a 21% increased risk of cognitive decline. The implications for preventive medicine are profound: aggressive periodontal treatment — scaling and root planing, antibiotic adjuncts when needed, regular maintenance — may represent a modifiable Alzheimer’s risk reduction strategy, particularly relevant given that APOE4 carriers (highest AD genetic risk) also have increased susceptibility to periodontal bacteria.

Oral Bacteria and Cardiovascular Disease: From Association to Mechanism

The relationship between periodontal disease and cardiovascular disease has been studied for over three decades, with a growing mechanistic understanding that has moved the field from association to probable causation. The association is consistent: a 2014 meta-analysis by Blaizot et al. found that periodontal disease increased coronary artery disease risk by 27% (OR 1.27, 95% CI 1.18–1.36). Endocarditis — bacterial infection of heart valves — has long been known to be triggered by oral bacteria, with Streptococcus viridans and Enterococcus faecalis classically responsible through transient bacteremia.

The more profound cardiovascular connection involves atherosclerosis. P. gingivalis and other oral pathogens have been detected within atherosclerotic plaques — not just as bystanders but as active participants. Chukkapalli et al. (2015) demonstrated that P. gingivalis oral infection in ApoE-knockout mice accelerated aortic plaque formation by 30% compared to uninfected controls, with plaque-associated bacteria detectable. The mechanisms include: direct endothelial cell invasion by P. gingivalis (triggering foam cell formation and intimal inflammation), LPS-driven TLR4 activation on macrophages (promoting inflammatory cytokine release and oxidized LDL uptake), platelet activation by P. gingivalis (increasing thrombotic risk), and systemic elevation of fibrinogen, CRP, and IL-6 driven by chronic gingival inflammation — all established cardiovascular risk amplifiers.

The INVEST RCT (D’Aiuto et al., 2018, Circulation) randomized 303 patients with established periodontal disease to intensive periodontal treatment vs community care and measured vascular function (flow-mediated dilation, PWV, carotid intima-media thickness) at baseline and 12 months. Intensive periodontal treatment produced a 0.35mm reduction in carotid IMT (p=0.003) and significant improvement in brachial artery FMD — demonstrating that treating gum disease measurably improves endothelial and vascular function, consistent with a causal rather than merely associative relationship.

Periodontal Disease and Diabetes: A Bidirectional Relationship

The relationship between periodontal disease and type 2 diabetes is bidirectional, reciprocally amplifying: diabetes impairs periodontal immunity (through AGE formation in gingival tissues, impaired neutrophil function, and reduced collagen synthesis), while periodontal disease worsens glycemic control (through systemic inflammation driving insulin resistance).

A landmark systematic review by Borgnakke et al. (2013, Diabetes Care) found that periodontal disease was associated with a 0.4% increase in HbA1c in diabetic patients — clinically meaningful given that a 0.1% reduction in HbA1c corresponds to measurable reduction in microvascular complications. The DIAPERIO RCT (Engebretson et al., 2013, JAMA) — the largest to date — found that intensive periodontal treatment did not significantly reduce HbA1c in a mixed-response population over 6 months, but subgroup analyses and subsequent meta-analyses have generally found benefit (HbA1c reduction 0.27–0.48%) when baseline periodontitis is severe and inflammation well-controlled. The glycemic benefit of periodontal treatment appears mediated through reduction in IL-6, TNF-α, and hsCRP — the same cytokines that drive pancreatic beta-cell dysfunction and hepatic insulin resistance.

For functional medicine practitioners managing diabetes or metabolic syndrome, oral health assessment should be a standard component of the metabolic workup. Periodontal severity (assessed by pocket depth, bleeding on probing, and attachment loss) provides an independent biomarker of systemic inflammatory burden — one that responds to targeted treatment rather than merely reflecting background chronic disease.

Oral Health and Pregnancy: Preterm Birth and Preeclampsia

Periodontal disease during pregnancy is associated with preterm birth (birth before 37 weeks), low birth weight, and preeclampsia through multiple pathways. The most alarming finding: P. gingivalis and other oral pathogens have been cultured from amniotic fluid and placental tissue of women with preterm birth who had no other identifiable infection — indicating direct hematogenous seeding of the uteroplacental unit from the oral cavity.

Offenbacher et al. (1996, Journal of Periodontology) conducted the landmark case-control study demonstrating that periodontal disease was associated with a 7.5-fold increased odds of preterm low birth weight delivery (OR 7.5, 95% CI 1.95–28.8) — a larger association than most established obstetric risk factors. The mechanism involves: systemic prostaglandin E2 elevation from periodontal infection (PGE2 drives cervical ripening and myometrial contractions), IL-1β and TNF-α crossing the placenta and triggering fetal stress responses, and direct placental colonization by oral bacteria stimulating inflammatory pathways in trophoblasts.

The intervention evidence is mixed: some RCTs of periodontal treatment during pregnancy have shown reduced preterm birth rates while others have not — possibly reflecting timing of treatment (second trimester optimal), severity of treated disease, and microbiological response rather than simply clinical inflammatory measures. Current guidelines from the American College of Obstetricians and Gynecologists support periodontal evaluation as part of prenatal care. Functional preconception planning should include oral microbiome assessment and periodontal treatment before attempting pregnancy — reducing the oral pathogen burden before conception, rather than treating during the more inflammation-sensitive gestational period.

The Oral Microbiome and Gut Health: Oral-Gut Axis

The oral microbiome is the primary source of microbial seeding for the gastrointestinal tract. We swallow approximately 1.5 liters of saliva daily, delivering billions of oral bacteria to the upper GI tract. In a healthy state, the low pH of the stomach limits oral bacterial survival and gut colonization. However, in individuals taking proton pump inhibitors (which suppress gastric acidity), with achlorhydria, or following partial gastrectomy, oral bacteria bypass stomach clearance and can colonize the small intestine and colon.

Atarashi et al. (2017, Science) made a breakthrough discovery: oral bacteria — specifically Klebsiella and Providencia species from the oral microbiome — were found in the gut of patients with inflammatory bowel disease (IBD) and hepatocellular carcinoma (HCC), where they induced Th1 immune responses. Germ-free mice colonized with these oral bacteria developed intestinal inflammation consistent with experimental IBD. This study provided the first direct mechanistic evidence that oral dysbiosis drives gut inflammation through ectopic colonization — the “oral-gut axis” as a driver of IBD pathogenesis.

The oral-gut axis has particular relevance for small intestinal bacterial overgrowth (SIBO). Oral bacteria — which are adapted to an oxygen-rich, sugar-rich environment — colonize the small intestine in SIBO, where they ferment dietary carbohydrates (producing hydrogen and methane detectable on breath testing). Oral hygiene interventions — oil pulling, tongue scraping, and treatment of periodontal disease — have been proposed as adjunctive SIBO prevention strategies, though clinical trial evidence is limited. Mechanistically, reducing oral bacterial burden reduces the seeding pressure on the upper GI tract.

Salivary Diagnostics: The Mouth as a Diagnostic Window

Saliva — sometimes called “the mirror of health” — contains diagnostic biomarkers for dozens of conditions detectable through non-invasive collection. Salivary diagnostics has advanced rapidly as an alternative or complement to blood testing:

Salivary cortisol accurately reflects serum free cortisol and is the standard method for diurnal cortisol profiling in functional medicine (morning, noon, evening, and bedtime collections). Unlike serum cortisol (which measures protein-bound plus free cortisol), salivary cortisol reflects only bioactive free cortisol — the physiologically relevant fraction. Salivary melatonin measurement from overnight samples provides the most accurate assessment of melatonin output and circadian phase timing.

Salivary IgA — secretory immunoglobulin A — is the primary mucosal immune defense of the respiratory and gastrointestinal tracts. Salivary IgA is a validated biomarker of mucosal immune competence: athletes show predictable salivary IgA decline during overtraining periods correlating with increased upper respiratory infection risk; individuals under chronic psychological stress show significantly reduced salivary IgA (Bosch et al., 2003); and sleep restriction reduces salivary IgA within days. Measuring salivary IgA provides a non-invasive window into mucosal immune status that guides immune support protocols.

Oral cancer screening via salivary diagnostics is now FDA-cleared: OraRisk HPV (Oral DNA Labs) detects HPV subtypes 16, 18, and other high-risk types from oral rinse samples — relevant given that HPV-16 accounts for 70% of oropharyngeal cancers and has surpassed tobacco as the leading cause of oropharyngeal squamous cell carcinoma in the United States. Annual salivary HPV testing in individuals with known HPV infection, multiple oral sex partners, or history of cervical HPV disease represents an emerging preventive strategy.

OralDNA Labs offers comprehensive oral pathogen assessment (OraRisk Caries, MyPerioPath) measuring periodontal pathogen DNA by PCR from salivary rinse samples — identifying the specific bacterial burden of Pg, Td, Tf, Aa, and other keystone pathogens that drive individual periodontitis risk and guide targeted antimicrobial selection (local delivery of minocycline vs systemic azithromycin vs antibiotic-free mechanical debridement).

Nutritional Drivers of Oral Health

Oral health is profoundly shaped by nutritional status — a relationship that has been obscured by the dominant caries-prevention narrative (fluoride + sugar restriction) that neglects systemic nutritional determinants of periodontal immunity, enamel integrity, and salivary function.

Vitamin D: Vitamin D receptors are expressed on gingival fibroblasts, periodontal ligament cells, and osteoblasts responsible for alveolar bone maintenance. Vitamin D deficiency impairs periodontal immune defense through reduced cathelicidin and defensin production (the same mechanism impacting respiratory immunity) and compromises bone mineral density in the mandible and maxilla. Dietrich et al. (2004, American Journal of Clinical Nutrition) found that serum 25(OH)D >35 ng/mL was associated with 20% lower gingival inflammation compared to levels <20 ng/mL in the NHANES III dataset. Correction of vitamin D deficiency should therefore be standard in periodontal management.

Vitamin C: Scurvy — severe vitamin C deficiency — produces dramatic gingival disease as its primary manifestation, but subclinical vitamin C insufficiency also impairs collagen synthesis in the periodontal ligament, compromises gingival tissue integrity, and reduces neutrophil killing capacity in gingival tissues. Nishida et al. (2000, Journal of Periodontology) analyzed NHANES III data and found that lower vitamin C intake correlated with higher periodontal disease prevalence, with the strongest effects in current smokers (who deplete vitamin C rapidly). Target intake through whole food sources (bell peppers, citrus, kiwi) or supplementation 500 mg daily.

Omega-3 fatty acids: EPA and DHA generate specialized pro-resolving mediators (SPMs) — resolvins, protectins, and maresins — that actively resolve gingival inflammation. Resolvins derived from EPA (Resolvin E1, E2) specifically regulate PMN infiltration and cytokine production in periodontal tissues. Naqvi et al. (2010, Journal of the American Dental Association) analyzed NHANES III data and found that higher dietary EPA+DHA intake was associated with 30% reduced periodontal disease prevalence. Omega-3 supplementation (2–3g EPA/DHA daily) has demonstrated adjunctive benefit to scaling and root planing in RCTs of periodontitis treatment, reducing pocket depths and IL-1β levels compared to mechanical treatment alone.

Magnesium: Alveolar bone has the highest bone turnover rate of any skeletal site, making it particularly dependent on adequate mineral supply. Magnesium deficiency impairs alveolar bone density and crystal structure (hydroxyapatite requires magnesium for structural stability), reduces osteoblast function, and increases osteoclast activity — accelerating the alveolar bone loss characteristic of periodontitis. Oral magnesium glycinate 300–400 mg daily supports alveolar bone metabolism as part of a comprehensive periodontal support protocol.

Polyphenols: Green tea catechins (particularly EGCG), quercetin, and resveratrol have demonstrated anti-biofilm, anti-adhesin, and anti-inflammatory effects in periodontal tissue. EGCG inhibits P. gingivalis gingipains and reduces its adhesion to epithelial cells. A meta-analysis of green tea intake and periodontal disease found a modest but consistent protective association. Green tea mouth rinse studies show equivalent plaque reduction to chlorhexidine without disrupting the oral microbiome composition (which chlorhexidine dramatically disrupts, including beneficial nitrate-reducing bacteria critical for cardiovascular nitric oxide production).

The Oral Microbiome and Nitric Oxide: Cardiovascular Implications

One of the most important — and most overlooked — functions of the oral microbiome is nitrate reduction to nitrite, which is then swallowed and converted to nitric oxide (NO) in the stomach and absorbed systemically. Dietary nitrates from vegetables (leafy greens, beets, arugula) are concentrated in saliva at levels 10x higher than plasma through active salivary secretion. Commensal oral bacteria — particularly Neisseria and Rothia species on the tongue dorsum — reduce nitrate (NO₃⁻) to nitrite (NO₂⁻) via nitrate reductases, producing the substrate for NO synthesis.

This oral-systemic nitric oxide pathway is a major determinant of cardiovascular NO bioavailability — independent of the classical endothelial NOS pathway. Physiological experiments have demonstrated that antiseptic mouthwash use (which eliminates nitrate-reducing oral bacteria) reduces plasma nitrite by 90%, increases systolic blood pressure by 2–3.5 mmHg within 3 days, and blunts the exercise-induced blood pressure-lowering effect of dietary nitrate from beets. Woessner et al. (2016, Free Radical Biology and Medicine) demonstrated that chlorhexidine mouthwash eliminated 40% of the blood pressure-lowering effect of dietary nitrate supplementation.

The clinical implications are substantial: antibacterial mouthwash — recommended by nearly every conventional dental practice — may be cardiovascularly harmful through disruption of the oral nitrate reduction pathway, particularly in patients with hypertension or endothelial dysfunction who derive blood pressure benefit from dietary nitrate. Oil pulling with coconut oil (which has anti-biofilm activity through lauric acid but does not kill commensal nitrate-reducing bacteria) and xylitol-based oral care products (which selectively inhibit Streptococcus mutans) may represent alternatives to broad-spectrum antibacterial mouthwash for patients with cardiovascular concerns.

Functional Oral Health Optimization Protocol

Integrating the functional medicine approach to oral health:

Assessment: Salivary oral pathogen panel (OralDNA MyPerioPath) identifying P. gingivalis and other red/orange complex pathogen burden; salivary pH and buffering capacity; salivary flow rate (reduced in Sjögren’s syndrome, medication-induced xerostomia, and dehydration); bitewing and panoramic radiographs for alveolar bone levels; pocket depth measurements and bleeding on probing at all 6 tooth surfaces for periodontal staging. For systemic correlations: hs-CRP, IL-6, fibrinogen as inflammatory mediators amplified by periodontal infection; HbA1c (periodontal disease predicts and worsens glycemic control); serum 25(OH)D.

Mechanical foundation: Twice-daily brushing with a soft-bristle brush for 2 minutes (electric oscillating toothbrushes demonstrate superior plaque removal vs manual — Cochrane 2014 review: 21% plaque reduction, 11% gingivitis reduction), daily interdental cleaning (floss, interdental brush, or water flosser), and tongue scraping (reduces Fusobacterium nucleatum and Tannerella forsythia burden on dorsal tongue surface, which contribute to both periodontal and systemic pathogen load). Professional scaling and root planing for established periodontitis; quarterly maintenance intervals for history of moderate-to-severe disease.

Microbiome-preserving antimicrobial adjuncts: For active P. gingivalis infection: localized delivery of minocycline HCl 2% (Arestin) placed subgingivally after scaling — targeted antibiotic with minimal systemic exposure. For systemic infections or refractory cases: azithromycin 500 mg daily x3 days or amoxicillin + metronidazole (500 mg each x7 days) with guided biofilm therapy. Avoid chlorhexidine mouthwash for routine maintenance — use xylitol rinse (1g/rinse, twice daily) or oil pulling with coconut or sesame oil (20 minutes daily) for ongoing microbial management without disrupting nitrate-reducing commensals.

Nutritional oral support: Correct vitamin D (target 50–80 ng/mL), vitamin C 500 mg daily, omega-3 EPA/DHA 2–3g daily, magnesium glycinate 300 mg. Coenzyme Q10 (100 mg daily) — gingival tissues are among the most CoQ10-rich tissues in the body; deficiency is documented in periodontal disease and supplementation has demonstrated gingival health improvement in clinical trials. Probiotics specifically selected for oral colonization: Lactobacillus reuteri ATCC PTA 5289 and L. reuteri DSM 17938 (the strains in BioGaia ProDentis) have the strongest clinical evidence for reducing P. gingivalis burden and gingival inflammation — a 2014 Teughels study showed 2-log reduction in P. gingivalis counts with L. reuteri.

Dietary considerations: Reduce fermentable carbohydrate frequency (not necessarily quantity) — the oral pH recovery time between sugar exposures determines caries risk more than total sugar intake. Each acid challenge requires 20–40 minutes for salivary bicarbonate to restore pH above 5.5. Meals rather than continuous snacking, and strategic use of xylitol after meals (inhibits S. mutans adhesion to enamel, stimulates salivary flow), reduces cariogenic challenge. Increase dietary nitrates through leafy greens and beets to leverage the oral microbiome-nitric oxide pathway. Alkalizing remineralization support: calcium 500 mg + phosphate from dairy or supplemental hydroxyapatite toothpaste (nano-hydroxyapatite 10% — remineralizes enamel equivalent to fluoride with emerging evidence).

Frequently Asked Questions About Functional Oral Health

Can treating gum disease really reduce Alzheimer’s risk?

The evidence linking Porphyromonas gingivalis to Alzheimer’s pathology is compelling, with the bacterium detected in 96% of examined AD brains in the Dominy 2019 Science Advances study and its gingipain toxins correlating with disease severity. While RCT evidence for periodontal treatment reducing AD incidence is not yet available, the mechanistic case is strong enough that the Lancet Commission on Dementia (2020) included periodontal disease as a probable modifiable risk factor. Given that periodontal treatment carries no downside risk and multiple established health benefits, it represents a reasonable preventive strategy in patients with family history of AD or APOE4 status.

Is fluoride safe for oral health?

Fluoride has a well-established remineralization benefit for enamel at low concentrations (1 ppm in water, 1000–1500 ppm in toothpaste), and water fluoridation has significantly reduced population caries prevalence in multiple large epidemiological studies. Concerns about systemic fluoride toxicity relate primarily to fluorosis (cosmetic enamel mottling from excessive fluoride during tooth development) and, at much higher doses, skeletal fluorosis. The evidence for neurotoxicity at water fluoridation concentrations remains controversial and is not established. For individuals preferring fluoride alternatives, nano-hydroxyapatite toothpaste (10%) has demonstrated equivalent remineralization in randomized trials (Amaechi 2019, Cochrane systematic review 2019) and represents a well-evidenced alternative.

Does mouthwash raise blood pressure?

Antibacterial mouthwash (chlorhexidine in particular) disrupts oral nitrate-reducing bacteria, reducing the conversion of dietary nitrate to nitrite that generates systemic nitric oxide. Studies have demonstrated 2–3.5 mmHg systolic blood pressure increases and blunted exercise-induced blood pressure lowering in mouthwash users. For patients with hypertension, cardiovascular disease, or impaired endothelial function, xylitol rinse or oil pulling may represent better-tolerated alternatives to broad-spectrum antibacterial mouthwash for routine maintenance. This should not override treatment of active oral infections where antibacterial agents are clinically indicated.

What are the best probiotics for oral health?

Lactobacillus reuteri (BioGaia ProDentis — strains ATCC PTA 5289 and DSM 17938) has the strongest clinical evidence base for oral microbiome support, demonstrating significant reductions in P. gingivalis burden, gingival bleeding, and pocket depth in multiple RCTs. Streptococcus salivarius K12 (BLIS K12) specifically colonizes the tonsillar crypts and produces bacteriocin-like inhibitory substances (BLIS) that inhibit Streptococcus pyogenes (Group A Strep) and reduce recurrent strep throat and oral halitosis-related pathogens. Both strains require lozenges or chewable tablets rather than swallowed capsules — they must contact the oral mucosa to colonize effectively.

Oral health is not a specialty isolated from the rest of medicine — it is a window into systemic inflammatory burden, microbial dysbiosis, nutritional status, and immune competence that conventional medicine has largely failed to integrate into comprehensive health assessment. Functional medicine’s whole-body approach to oral health — addressing periodontal pathogens, nutritional drivers, oral microbiome balance, and systemic connections — represents both a significant opportunity for systemic disease prevention and a commonly overlooked element of comprehensive health optimization. If you would like a comprehensive oral health assessment integrated into your functional medicine evaluation, contact The Private Practice at (810) 206-1402 to schedule a consultation.

How Your Mouth Predicts Your Heart: Oral Health, Gut Microbiome, and Alzheimer’s Risk