Bad Breath and Oral Microbiome Imbalance

Doctor In-Charge: Dr Christine Ma

Bad breath is a common concern that can affect your confidence, social interactions and overall quality of life. Although it is normal to experience temporary bad breath, persistent bad breath is often a sign that something within the mouth is out of balance. In many cases, it is linked to an imbalance in the oral microbiome, gum disease or dry mouth. Identifying the underlying cause of your bad breath is the first step to a fresher, healthier mouth.

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Understanding Bad Breath and Oral Microbiome Imbalance

Bad breath, or halitosis, refers to an unpleasant odour coming from the mouth that persists despite brushing or mouthwash. While occasional bad breath after waking up or eating certain foods is normal, stubborn bad breath may indicate underlying issues that need attention. It is commonly caused by bacteria that break down food particles, dead cells and proteins, releasing unpleasant-smelling sulphur compounds.

The oral microbiome refers to the community of bacteria and other microorganisms that live naturally in the mouth. A healthy oral microbiome contains a balance of beneficial and harmful bacteria that work together to maintain healthy teeth and gums. When this balance is disrupted, and harmful bacteria become dominant, it can cause problems such as bad breath, gum inflammation, and tooth decay.

Identifying the root cause of the symptoms is an important step in restoring the healthy balance of bacteria in the mouth and promoting long-term oral health.

Signs that Bad Breath May Be Caused by an Underlying Issue

If you experience any of the following symptoms, it could suggest an underlying problem that requires professional assessment.

Persistent Bad Breath
Bad breath that continues despite regular brushing, flossing or use of mouthwash.
Coated Tongue
A white, yellow or thick coating on the tongue may suggest trapped bacteria, food debris and dead cells that cause harmful bacteria to multiply.
Bleeding or Swollen Gums
If your gums bleed when you brush or floss, it could be an early sign of gum disease, which is one of the most common causes of persistent bad breath.
Dry Mouth
Saliva helps wash away bacteria and food debris, so reduced saliva flow allows odour-causing bacteria to build up more easily.

Concerned About Your Symptoms?

If you have noticed any of the symptoms above, a comprehensive dental assessment can help identify the underlying cause and determine the most appropriate treatment for your needs.
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What Causes Bad Breath and Oral Microbiome Imbalance?

Bad breath and an oral microbiome imbalance are often caused by a combination of factors rather than a single issue. Identifying the root cause of the problem helps dentists to create targeted treatments that provide long-term, sustainable outcomes.

Some possible causes include:

  • Poor oral hygiene
  • Gum disease
  • Accumulation of bacteria on the tongue that appears as a white or yellow coating
  • Dry mouth or reduced saliva flow that allows bacteria to multiply
  • Lifestyle and dietary factors such as smoking, alcohol, high sugar intake and chronic stress
  • Dental problems such as decay, failing fillings and infections
  • Certain medical conditions, such as sinus infections, tonsil stones and acid reflux

Why Persistent Bad Breath Should Not Be Ignored

Persistent bad breath is commonly a sign of unresolved underlying oral, lifestyle or health issues. Trying to mask bad breath with frequent brushing, mouthwash, or mints does not solve the actual problem. If left untreated, the primary cause of your bad breath will continue to fester and worsen over time, resulting in greater damage to your oral health. Addressing concerns early helps pinpoint what's really causing your symptoms and treat them before the condition progresses.

How Does kohe™ Dental Assess Bad Breath and Oral Microbiome Imbalance?

Care That Starts With You

An effective treatment plan begins with understanding the root cause of your bad breath or oral microbiome imbalance. During your consultation at kohe™ Dental, our experienced dental team will conduct a comprehensive assessment of your oral health, existing medical conditions and lifestyle to determine the underlying cause. This allows us to create a personalised treatment plan that addresses your symptoms and supports your long-term oral health.

Understanding Your Symptoms and Medical History

Your consultation begins with a discussion with your dentist where you share your symptoms, concerns and oral health history. Your dentist may ask when you first noticed the symptoms, whether they are constant or intermittent and if they only occur at certain times. Previous dental treatments and relevant medical conditions will also be reviewed to provide a clear picture of your overall dental health.

As a holistic dental practice, kohe™ Dental also considers factors beyond the mouth. Your lifestyle habits, stress levels and oral hygiene routines are also reviewed to identify any potential contributing factors that may go unnoticed.

Comprehensive Clinical Examination

Next, your dentist will carefully examine your teeth, gums, and surrounding tissues. This includes assessing for decays, leaking restorations, gum inflammation, tongue coating, plaque accumulation and saliva quantity. Any existing restorations, such as crowns, bridges or dentures, will also be evaluated.

Dental X-Rays

Dental X-rays may be recommended for a more detailed assessment of areas within the mouth that cannot be seen during a visual examination. This helps to identify bone loss, hidden infections, gum disease and other underlying conditions.

Developing a Personalised Treatment Plan

After evaluating all possible causes and determining the most likely option, we create a personalised treatment plan designed to address the root cause of the problem. This helps to reduce the likelihood of future relapses.

Treatment Options

Depending on your diagnosis and symptoms, your dentist may recommend the following treatment options:
cleaning
Professional Cleaning and Gum Disease Therapy
If plaque, tartar or gum disease are contributing factors to bad breath, professional cleaning and periodontal therapy may be recommended.
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Personalised Oral Hygiene and Oral Microbiome Management
This includes personalised recommendations to improve brushing, flossing and tongue cleaning techniques.
restorative-dental-treatment
Restorative Dental Treatment
If tooth decay, leaking fillings, failing dental work or infections are identified as the cause of bad breath, restorative treatment may be recommended.
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Dry Mouth and Lifestyle Factors
Treatment focuses on improving saliva flow, hydration, diet, smoking cessation, stress management and other habits to support a healthy oral environment.
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Frequently Asked Questions

Have questions about bad breath and oral microbiome imbalance? Here are the most common questions we receive from our patients.

Why do I still have bad breath even though I brush my teeth?
While brushing your teeth is an important step in maintaining good oral hygiene, if there are other underlying problems, it may not remove persistent bad breath. Other possible contributing factors to bad breath include bacterial accumulation, dry mouth and gum disease. A comprehensive dental assessment is required to identify the root cause of bad breath and determine the most appropriate treatment plan.
When should I seek treatment for bad breath?
Occasional bad breath after waking up or eating certain foods is normal. However, if your bad breath persists despite maintaining good oral hygiene, or is accompanied by symptoms such as bleeding gums or coated tongue, it is recommended that you consult a dentist.
What is the oral microbiome?
The oral microbiome is the community of bacteria and other microorganisms that naturally live in your mouth. A healthy oral microbiome contains a balanced mix of beneficial and harmful bacteria that work together to protect your teeth and gums. When this balance is disrupted, harmful bacteria can become more dominant, contributing to bad breath, gum disease, tooth decay and other oral health problems.
Can gum disease cause bad breath?
Yes, gum disease is one of the leading causes of persistent bad breath. This is because bacteria accumulate around and beneath the gums, producing unpleasant-smelling compounds that can cause chronic bad breath. Treating the gum disease and improving oral hygiene can help reduce bacterial build-up and improve breath over time.
Is bad breath a sign of other health issues?

In most cases, bad breath originates from conditions within the mouth. In rare cases, it may be associated with certain medical conditions that affect the nose, throat, digestive system or overall health. An assessment with a dental professional can help you identify the exact cause of your bad breath.

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Our Holistic Dentist

Dr Christine Ma is a UK-trained holistic and biological dentist that takes a holistic approach to dentistry.

Dr Christine Ma (1023 x 1280)
Dr Christina Ma
Holistic and Biological Dentist

Why Visit Dr Christine Ma

  • Holistic and biological dentist with a focus on working with conditions experienced by:
    • Pregnant women,
    • Children who have material sensitivities,
    • Patients with medical conditions or allergies and, 
    • Patients who have had previous bad dental experiences.
  • UK-trained dentist who has worked in the United Kingdom for more than 10 years in both public and private service.
  • More than 10 years of experience working with biomimetic and minimally invasive dentistry. 
  • Works with patients who want to correct their oral health in relation to their physical (systemic health).

Why Choose kohe™ Dental

If you are experiencing bad breath despite maintaining good oral hygiene, it might be time to have a professional dental assessment. At kohe™ Dental, we focus on identifying the underlying factors contributing to your symptoms to create a treatment plan that supports your long-term oral health. Book a consultation with our team today and take the first step towards fresher breath and better long-term oral health.
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