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Understanding Periodontal Disease: Causes, Types, and Prevention

Writer's picture: Dr Caroline OhDr Caroline Oh

Periodontal disease, commonly known as gum disease, is a progressive condition that affects the supporting structures of the teeth, including the gums, periodontal ligament, and bone. It is caused by bacterial infections that result from plaque buildup and, if left untreated, can lead to tooth loss and other systemic health issues.


At O Dental, we believe that education and prevention are key to maintaining a healthy smile. Understanding periodontal disease and its impact can help you take proactive steps toward optimal oral health.



Regular check-up and cleans help prevent periodontal diseases
Regular check-up and cleans help prevent periodontal diseases


What Causes Periodontal Disease?


Periodontal disease develops due to bacterial plaque—a sticky, colorless film that constantly forms on teeth. When plaque is not removed through proper oral hygiene, it hardens into tartar, leading to gum inflammation and infection. Risk factors for periodontal disease include:


  • Poor oral hygiene

  • Smoking and tobacco use

  • Diabetes

  • Hormonal changes (e.g., pregnancy, menopause)

  • Genetic predisposition

  • Stress and poor diet

  • Certain medications that reduce saliva flow


Common Types of Periodontal Disease

Periodontal disease can be classified into different categories based on severity and progression:


1. Gingivitis

The earliest stage of gum disease.

Characterized by red, swollen gums that may bleed when brushing or flossing.

Typically reversible with proper oral hygiene and professional cleanings.


2. Chronic Periodontitis

The most common form of periodontitis.

Leads to progressive loss of gum attachment and bone support.

Symptoms include receding gums, persistent bad breath, and loose teeth.

Requires professional intervention such as scaling and root planning.


3. Aggressive Periodontitis

A rapidly progressing form of periodontitis.

Often seen in younger individuals with a genetic predisposition.

Can lead to severe bone and tooth loss in a short period.


4. Necrotizing Periodontal Disease

A severe form of gum disease often seen in individuals with compromised immune systems.

Characterized by tissue necrosis (death of gum tissue), pain, and severe infection.

Requires immediate medical attention.


5. Periodontitis Associated with Systemic Diseases

Linked to conditions such as diabetes, cardiovascular disease, and respiratory infections.

Individuals with these conditions may experience more severe periodontal symptoms.


How to Prevent Periodontal Disease?

Maintaining good oral health can prevent periodontal disease and reduce its severity. Essential preventive measures include:


  • Brushing twice daily with fluoride toothpaste

  • Flossing regularly to remove plaque between teeth

  • Visiting a dentist for regular checkups and cleanings

  • Avoiding tobacco products

  • Eating a balanced diet to support gum health

  • Managing conditions such as diabetes that may increase the risk of gum disease


At O Dental, we offer expert periodontal care tailored to your individual needs. Our team provides professional cleanings, treatment plans, and education to help you maintain healthy gums and teeth for life. We have a new team member who is an Oral Health Hygienist, Oditi Sarkar. You can book an appointment for 45min to an hour to clean teeth and gums.


Understanding periodontal disease and its subcategories can help individuals take proactive steps in maintaining their oral health. If you experience symptoms such as gum inflammation, bleeding, or bad breath, consult a dental professional immediately. Early detection and treatment can prevent severe complications and ensure a healthy smile for years to come.


Book an Appointment with O Dental in Zetland/ Waterloo (East Village Shopping centre next to My Health)


At O Dental, your oral health is our priority. Whether you need preventive care or specialized periodontal treatment, our experienced dental team is here to help.


📅 Schedule your appointment today at O Dental and take the first step toward a healthier smile!



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