What New Periodontal Research Reveals About Prevention & Health

Periodontal disease impacts around 1 billion people worldwide — a figure that has nearly doubled since 1990. Given the size of the issue and its largely preventable nature, February is Gum Disease Awareness Month.

Fortunately, we’re seeing the broader medical community include oral health in its recommendations. In 2021, the World Health Organization identified oral health as a vital component of well-being, emphasizing prevention and control, aiming to improve oral health globally by 2030.

In this article, we’ll review the latest research on periodontal disease, offer strategies for crucial conversations with patients, and explain its importance in a way that encourages patient compliance.

Breaking It Down for Patients: Periodontal Disease 101

When talking to patients about the importance of oral hygiene, you’ll likely need to gauge how much detail they’ll actually retain and put into action. It’s always a good idea to start with the basics.

Remind them that the oral cavity is the second-largest home for microorganisms in your body, like viruses, fungi, and around 700 bacterial species. They may not realize that bacteria cause most periodontal disorders, so that’s a good point to emphasize.

However, recent research suggests that the transmission of periodontal-related pathogens is more complex than previously thought. Researchers believe periodontal disease arises from an imbalance between the host and microbes rather than being caused by a single pathogen. Yeast and herpes viruses may also play pathogenic roles in periodontal disease. Again, you get to decide how much of that detail to share.

It’s important for patients to know that periodontal disease is a chronic, inflammatory condition that begins in the mouth. And as the body fights the infection, connective tissues and bone may become damaged, leading to periodontitis.

Most likely, your patients aren’t aware that periodontitis can impact their quality of life, it’s the leading cause of tooth loss in adults, and there are studies suggesting a potential link between periodontal health and systemic health.

The Systemic Connection: Why Periodontal Disease Matters Beyond the Mouth

We know that periodontal disease may be associated with a range of other conditions, but research is ongoing to examine links to new conditions and study bidirectional relationships.

● Cardiovascular disease is the most extensively researched associated condition with periodontal disease, with a potential link to hypertension. A 2024 review of research in the Journal of Clinical Medicine suggests that periodontal therapy interventions, such as subgingival biofilm ultrasonic debridement, can effectively improve vascular function and reduce systemic inflammation.

● Diabetes has a well-established, bidirectional relationship to periodontal disease, according to a 2025 British Dental Journal (BDJ) narrative review. This research review also found that periodontitis contributes to poor glucose control and that periodontal treatment can reduce HbA1c by ~0.3-0.4% at three to four months.

● Other potential associations to be aware of include the following, outlined in the BDJ study:

○ Adverse pregnancy outcomes

○ Metabolic syndrome

○ Respiratory infections

○ Chronic kidney disease (relationship needs further study)

○ Neurodegenerative disorders (Alzheimer’s, Parkinson's)

● Gastric cancer and colorectal cancer risks are significantly associated with periodontal disease, according to growing evidence published in a 2025 Frontiers in Cellular and Infection Microbiology article.

When communicating these systemic associations, it is important to educate your patient with easily digestible information to prevent them from becoming overwhelmed.

Ultimately, prevention is the most powerful tool against periodontal disease. Remind your patients that this involves:

● Oral health screening

● Regular professional cleanings

● Self-care or oral hygiene

Having Effective Gum Care Conversations With Patients

Patients may be better partners in preventing periodontal disease when they understand the reasons for doing so. Pick and choose the aspects of periodontal disease education that you think will resonate more with the patient in your chair.

Key Messages:

● Good health starts in the mouth.

● Plaque is a bigger issue than you might think. Without proper treatment, you can develop gingivitis, causing pain and even bleeding. Gingivitis can lead to bone loss and other serious health risks that affect other parts of your body.

● Even though periodontal disease is common, it’s highly preventable.

Addressing Common Barriers:

● Misconceptions: If a patient claims that they don’t feel pain or they don’t think anything is wrong, you can frame your response as: “Early periodontal disease is often silent, and serious damage can occur before symptoms appear.”

● Patient belief challenges: Frame your messaging around what you see as derailing treatment plans in your experience.

● Language that works: Focus on what messaging and framing might resonate most with your patient if they’re asymptomatic.

Special Considerations for Different Populations:

Be sure to pay closer attention to these vulnerable populations for their risks of periodontal disease:

● Older adults, as disease is more common with age

● Disadvantaged and socially vulnerable populations, because these groups are disproportionately impacted by health conditions

● Patients with motor and cognitive challenges that may affect their oral hygiene

● Pregnant patients, as they may need special considerations around the use of anesthetics and the avoidance of specific agents during breastfeeding

Clinical Decision-Making Points

Brushing up on what decision-making points you might need to make with patients is what this awareness month is all about. Work with your colleagues to ensure confidence around:

● Recognizing early warning signs, which can often be overlooked in routine visits. To aid in staging and grading of periodontal disease, ColorVue Probes have vivid yellow and black markings to provide increased intraoral visibility for faster and more accurate assessments. A flexible, rounded tip ensures greater patient comfort and can be used safely with implants. Additionally, the EFP probe has calibrated markings based on the ERP/AAP classification. This allows for an accurate assessment of periodontal staging and grading, along with a ball-point tip to enter the periodontal pocket without damaging the sulcus.

● Determining the staging and grading of periodontal disease. See the American Dental Association resources for more information.

● Managing patients with systemic conditions:

○ Diabetes: Expect bidirectional benefits from periodontal treatment.

○ Neurodegenerative disorders: Require tailored hygiene support and caregiver involvement.

○ Pregnancy: Treatment is safe, but monitor anesthetic choices.

We now recognize that periodontal disease is not only a risk factor for tooth loss, but it may also contribute to a variety of other systemic conditions. As hygienists on the front lines of prevention, providing screenings, education, and conversations, you can do a lot to significantly reduce the toll of this pervasive and common disease.