By Lauren Shannon, MSN, APRN, FNP-C
August 25, 2026

At first glance, it’s a routine hygiene visit. But as you begin to update the patient’s health history, they mention feeling more fatigued than usual and getting winded climbing stairs. They’ve recently started a cholesterol medication, but they’re unsure what prompted it.

During the clinical assessment, you note generalized gingival inflammation with bleeding on probing, moderate periodontal breakdown, and heavier calculus than expected for their reported home care. Their blood pressure reading is elevated, and they report dry mouth since starting new medications.

Individually, these findings are common. Together, they begin to tell a story.

It’s a story about inflammation—and risk.

Why Coronary Artery Disease Matters

Coronary artery disease (CAD) is the most common form of heart disease and a leading cause of death worldwide. It develops gradually as cholesterol-rich plaque accumulates in the coronary arteries, narrowing blood flow and increasing the risk of heart attack and stroke.¹ What makes CAD particularly dangerous is that it often progresses silently, with symptoms that are subtle, atypical, or easily overlooked.

Fatigue, reduced exercise tolerance, shortness of breath, or vague jaw discomfort may be the only warning signs—especially in women, older adults, and individuals with diabetes.² Many patients do not experience classic chest pain and may delay seeking care until disease is advanced. As a result, CAD often goes undiagnosed for years.

Dental hygienists may be among the first clinicians to recognize early patterns that suggest elevated cardiovascular risk.

The Oral–Heart Connection

Periodontal disease and coronary artery disease share many risk factors, including smoking, diabetes, obesity, stress, hypertension, and socioeconomic determinants of health.³ Both conditions are driven by chronic inflammation.

Inflamed periodontal tissues provide a pathway for oral bacteria and inflammatory mediators to enter the bloodstream, contributing to endothelial dysfunction—one of the earliest changes seen in atherosclerosis.⁴ While periodontal disease does not directly cause CAD, a strong and consistent association exists between the two.⁴⁻⁵

The American Heart Association acknowledges this relationship and emphasizes that oral health professionals are well positioned to support cardiovascular risk awareness and prevention efforts.⁴

Clues Dental Hygienists May Notice First

During routine care, dental hygienists may observe findings that reflect systemic inflammation or cardiovascular risk, including:

• Moderate to severe periodontitis, especially when disease severity does not align with oral hygiene behaviors
• Persistent gingival inflammation despite regular professional care
• Elevated blood pressure readings in the dental setting
• Xerostomia, commonly associated with antihypertensive or cardiac medications
• Stress-related bruxism
• Patient-reported fatigue or decreased stamina

These findings are not diagnostic, but they provide valuable insight into a patient’s overall health.

Chairside Questions That Support Early Identification

Simple, non-alarming questions can help uncover potential risk patterns:

• “Have you had your blood pressure or cholesterol checked recently?”
• “Do you ever feel short of breath doing activities that used to feel easy?”
• “Has a medical provider spoken with you about your heart health?”
• “Is there a family history of heart disease at an early age?”

These conversations remain within scope while supporting timely medical follow-up.

When to Act: Urgent Referral

If a patient reports chest pressure, shortness of breath at rest, dizziness, unexplained sweating, or radiating jaw or arm pain—particularly during the appointment—immediate medical evaluation is warranted. Jaw pain can be a referred cardiac symptom.²

When to Act: Medical Follow-Up

Patients with repeated elevated blood pressure readings, poorly controlled diabetes, or severe periodontal inflammation combined with cardiovascular risk factors should be encouraged to follow up with their primary care provider or cardiologist.³

Periodontal Therapy as a Health Opportunity

Although research continues to examine whether periodontal therapy reduces cardiovascular events, non-surgical periodontal treatment decreases local inflammation and can improve systemic inflammatory markers.⁵ Equally important, it provides an opportunity for patient education related to tobacco cessation, diabetes management, medication adherence, and overall cardiovascular risk reduction.

The message is not that gum disease causes heart attacks.

The message is that chronic inflammation matters—and the mouth is part of the body’s inflammatory system.

Putting Whole-Person Care Into Practice

Dental hygienists are prevention specialists. Because patients often see their dental team more regularly than medical providers, dental settings offer a powerful opportunity to identify undiagnosed hypertension, reinforce cardiovascular risk awareness, and support timely referrals.

When hygienists connect clinical findings with thoughtful questions and education, they help patients recognize risks—often before a cardiovascular event occurs.

Prevention Starts Before the First Symptom

Coronary artery disease rarely announces itself early. It develops quietly, influenced by years of inflammation, vascular stress, and unrecognized risk factors.

For many patients, the hygiene chair is their most consistent point of healthcare contact. By recognizing patterns, educating with intention, and collaborating with medical colleagues, dental hygienists help close the gap between oral health and heart health.

Sometimes, a routine hygiene visit is anything but routine.

____________________________________

References

1. 1. Centers for Disease Control and Prevention, “Heart Disease Facts,” accessed March 17, 2026, https://www.cdc.gov/heart-disease/data-research/facts-stats/index.html.
   2. American Heart Association, “Heart Attack Symptoms,” accessed March 17, 2026, https://www.heart.org/en/health-topics/heart-attack/warning-signs-of-a-heart-attack.
   3. National Heart, Lung, and Blood Institute, “Coronary Heart Disease Risk Factors,” accessed March 17, 2026, https://www.nhlbi.nih.gov/health/coronary-heart-disease/risk-factors.
   4. Peter B. Lockhart et al., “Periodontal Disease and Atherosclerotic Vascular Disease: Does the Evidence Support an Independent Association?,” Circulation 125, no. 20 (2012): 2520–2544.
   5. Mariano Sanz et al., “Periodontitis and Cardiovascular Diseases: Consensus Report,” Journal of Clinical Periodontology 47, no. 3 (2020): 268–288.

____________________________________

Lauren Shannon, MSN, APRN, FNP-C, is a Nurse Practitioner with a focus on medical–dental integration and population health. In her role with Florida Combined Life, she supports initiatives that bridge oral health and overall health through education, clinical alignment, and provider engagement. Lauren collaborates with dental hygienists, dentists, and medical leaders to develop evidence-based resources that support preventive care, early disease identification, and improved care coordination. She is especially passionate about helping dental teams feel confident discussing systemic health conditions and their oral manifestations with patients.