LETTER TO EDITOR

Periodontal Disease and Its Relationship with Oral Hygiene Practices Among Adults

Kemia Batty^1*

¹Alumna, Department of Medicine, Monash University, Australia
*Correspondence: Kemia Batty (kemiabatty@gmail.com)

Received: 04 September, 2026 Revised: 18 September, 2026 Accepted: 19 September, 2026 Published: 30 September, 2026

Dear Editor,

Periodontal disease is one of the most common chronic oral diseases globally and is a significant, but often overlooked public health problem. Despite the improvement in the clinical management of periodontal disease, the burden of this disease remains primarily caused by avoidable behavioural and environmental risk factors ¹. Of these, oral hygiene practices are an important one. Thus, daily oral hygiene behaviour and periodontal health are not only related through the individual's mouth but also significant to population level disease prevention. Periodontal disease is a result of the interaction of microbial biofilms and inflammation of the host. The presence of dental plaque around the gum line can lead to inflammation of the gums, and an ongoing imbalance in dental flora can play a role in the deterioration of gums in susceptible individuals. But the symptoms and course of disease are very different in adults ². This association between oral hygiene and periodontal outcomes may be changed/modified by age, smoking, diabetes, socioeconomic status, dietary pattern, access to dental services, use of medication, and genetic susceptibility ³. Therefore, oral hygiene should be viewed in the context of the individual risk factor and not in isolation.

One special case to consider is interdental cleaning. Plaque can build up in the gaps between teeth and is hard to clean with standard brushing ⁴. Properly chosen oral cleaning tools such as dental floss, interdental brushes and other tools can play a role in good plaque control ⁵. Recommendations, however, should be personalized as there is a considerable variation in interdental anatomy in different patients. Where periodontal disease has caused an increase in interdental space, interdental brushes may prove beneficial and where contacts are very tight floss may be better ⁶. Professional instruction is, therefore, necessary for any recommendations for good oral hygiene to have a meaningful effect in terms of behaviour change. One of the key issues is the difference between knowledge and practice. While many adults know that not caring for their teeth and gums correctly can lead to gum disease, some don't engage in preventive measures consistently ⁷. People might know how to brush, but not follow proper routines due to time, motivation, work, fear of the dentist, money, or a lack of understanding of oral care ⁸. The disconnect between knowledge and practice indicates a possible lack of effectiveness of traditional health education. Behavioural barriers should be addressed as well as creating sustainable routines in the context of preventive interventions.

The involvement of professional dental care should also be taken into account. Preventive maintenance care allows for early detection of signs of gingival inflammation, periodontal pockets, attachment loss, and other risk factors ⁹. Deficiencies in home-care practices can be identified through professional assessment, and individual instruction can be provided based on these results ¹⁰. But preventive dentistry shouldn't solely rely on appointments. Many of the things you do between visits are important to your periodontal health. Thus, any model of prevention must be able to enable patients to actively participate in their oral health. The link between periodontal disease and systemic health re-emphasizes the need for prevention. Studies have found that inflammation of the gums has been linked to some other systemic diseases, and may also have similar risk factors to cardiometabolic diseases ¹¹. A poor oral health can exacerbate poorly controlled diabetes, and vice versa, periodontal inflammation may make it difficult to manage diabetes. Diabetes is a good example of the bidirectional link between oral and systemic health. The interactions underscore the importance of better links between dental and general health care providers.

Public health approaches should therefore shift from assuming periodontal disease is predominantly a clinical problem to the individual. The relationship between socioeconomic inequalities and oral hygiene practices and access to preventive care can be strong ¹². People of disadvantaged groups may have less access to dental professionals, have increased behavioural risk factors, decreased health literacy, and financial constraints on buying oral hygiene products ¹³. Unsupportive structural changes are unlikely to have large-scale and lasting benefits if not accompanied by advice on oral hygiene. Community based prevention needs to be emphasized. Workplace, school, community center and/or primary healthcare education programs can encourage proper brushing and interdental cleaning. Digital health technologies can also offer new avenues for behavioural support. Oral health apps, reminders, educational videos, and virtual consultations may help provide reminders and tailored feedback on oral hygiene ¹⁴.

One other region that requires focus is measuring oral health behaviour in research. Self-reported brushing frequency and dental attendance are used in many studies, and are subject to recall and social desirability bias. The holistic periodontal prevention program should include patient education, low-cost oral health services, use of easily available preventive products, community education, tobacco-control education, and an integration of oral health into primary healthcare. The future of periodontal care should therefore shift to risk-based personalized prevention. Instead of issuing general recommendations to all adults, clinicians are increasingly mindful of the various clinical risk factors and personal health factors that impact an individual's periodontal status, such as oral hygiene habits, systemic health, smoking, socioeconomic status, and clinical risk. Personalized prevention could lead to better adherence as recommendations are more likely to apply to the patient's specific situation. The relationship between oral hygiene practices and periodontal health is illustrated in Figure 1.

Figure 1: Integrated strategy illustrating the relationship between periodontal disease and oral hygiene practices among adults ¹⁵. The figure illustrates how inadequate oral hygiene contributes to plaque accumulation, gingival inflammation, periodontal pocket formation, and subsequent attachment or bone loss. It highlights key preventive practices, including effective toothbrushing, interdental cleaning, appropriate adjunctive aids, professional dental care, and healthy lifestyle behaviours. The strategy emphasizes individualized risk assessment, patient education, behavioural support, professional monitoring, and improved access to care. Overall, the framework promotes a shift from reactive periodontal treatment toward preventive, personalized, and integrated oral healthcare.

In summary, periodontal disease is still a significant public health problem, and much of the disease burden is potentially preventable with proper prevention and maintenance of good oral hygiene. These recommendations (toothbrushing, interdental cleaning, professional monitoring, behavioural support and early intervention) are not isolated but rather are all part of periodontal health.

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