Most of us think of our dogs as our babies. We research and learn about their
nutrition, exercise needs, and mental health in order to provide them with a long
and fulfilling life (not just for them but for us!). But did you know that a dog's
dental health can significantly impact their overall health? Poor dental hygiene
can lead to a variety of health problems and, even worse, can affect the dog's
lifespan. I hope that gets your attention – it got mine!

Poor dental health is a serious issue, but the good news is that there are multiple
ways to address your pup’s oral health (including his oral microbiome!).


Here are some ways in which dental health can impact a dog's overall well-being:
  • Periodontal Disease: The most common dental problem in dogs is
    periodontal disease due to the accumulation of plaque and tartar on the
    teeth. Left untreated, periodontal disease can progress and lead to gum
    inflammation, infection, tooth loss, and damage to the jawbone. Bacteria
    associated with periodontal disease can also enter the bloodstream and

    spread to other organs, causing infections and potentially damaging the
    heart, liver, and kidneys.


  • Pain and Discomfort: Dogs with dental problems often experience pain and discomfort. This can affect their appetite, leading to weight loss or malnutrition. They may also chew with difficulty which can result in behavioral changes, irritability, and a reduced interest in playing or interacting with others.
  • Bad Breath: Persistent bad breath, also known as halitosis, is a common sign of dental issues in dogs. It’s usually caused by the buildup of bacteria in the mouth. While bad breath itself is not a serious health problem, it can indicate the presence of dental disease requiring attention.
  • Systemic Infections: As mentioned earlier, bacteria from dental disease can enter the bloodstream and spread to other parts of the body. This can lead to systemic infections, such as endocarditis (infection of the heart valves), hepatitis (infection of the liver), or pyelonephritis (infection of the kidneys). These infections can be life-threatening if not treated promptly.
  • Organ Damage: The bacteria associated with dental disease can also contribute to organ damage. The heart, liver, and kidneys are particularly vulnerable to infection and inflammation caused by oral bacteria. This can lead to irreversible damage and compromise the overall health of the dog.


The oral microbiome plays a crucial role in a dog's dental health. It refers to the community of microorganisms, including bacteria, viruses, fungi, and other microbes, that reside in the mouth. These microorganisms interact with each other and with the host (in this case, the dog) in a delicate balance that can impact oral health.

Here's how the oral microbiome influences a dog's dental health:

  1. Plaque Formation: Plaque is a sticky biofilm that forms on the teeth, consisting of bacteria, food particles, and saliva. The oral microbiome plays a key role in the formation of plaque. Certain bacteria present in the mouth can adhere to the tooth surface and multiply, forming the initial layer of plaque. Over time, if not removed through regular brushing, dental chews or professional cleanings, plaque can harden into tartar, leading to dental problems.
  2. Dental Disease: Imbalances in the oral microbiome can contribute to dental diseases such as periodontal disease. When harmful bacteria dominate the oral microbiome, they can cause inflammation of the gums (gingivitis) and lead to the destruction of gum tissues and tooth-supporting structures. This can result in periodontal disease, characterized by gum recession, tooth loss, and potential systemic health complications.
  3. Protection Against Pathogens: The oral microbiome also plays a protective role by preventing the colonization of pathogenic microorganisms. When the oral microbiome is balanced and diverse, beneficial bacteria can compete with harmful bacteria for resources and limit their growth. This competitive exclusion helps maintain oral health by preventing the overgrowth of pathogenic bacteria that can cause infections and dental disease.
  4. Immune System Interaction: The oral microbiome interacts with the dog's immune system. The presence of certain beneficial bacteria in the oral microbiome can stimulate the immune system, promoting a healthy immune response and reducing inflammation. Conversely, imbalances in the oral microbiome can trigger an overactive immune response, leading to chronic inflammation and tissue damage.
  5. Nutrient Metabolism: Some bacteria in the oral microbiome contribute to the breakdown of food particles, aiding in nutrient metabolism. However, imbalances in the oral microbiome can disrupt this process, potentially leading to imbalances in the overall nutritional status of the dog.



Maintaining good dental health for your dog is essential to their overall well- being. Here are some ways you can help promote good dental hygiene in your dog:

  1. Regular Brushing: Brushing your dog's teeth is one of the most effective ways to prevent dental issues. Use a dog-specific toothbrush and toothpaste (never use human toothpaste as it can be toxic to dogs). Start slowly, gradually introducing your dog to the brushing process. Aim for daily brushing, but even a few times a week can make a significant difference.
  2. Dental Chews and Toys: Provide your dog with dental chews and toys designed to promote oral health. These items can help remove plaque and tartar buildup, massage the gums, and freshen breath.
  3. Dental Diet: Consider feeding your dog a dental-specific diet formulated to support oral health. These diets often have a larger kibble size or a specific texture that helps clean the teeth as the dog chews. Additionally, some dental diets contain ingredients that can help reduce plaque and tartar buildup as well as build strong teeth and bones.
  4. Regular Veterinary Check-ups: Schedule regular dental check-ups with your veterinarian. They can perform thorough dental examinations, clean your dog's teeth professionally if necessary, and identify any dental issues or concerns early on. Regular check-ups also allow for monitoring the overall dental health of your dog.
  5. Mouth Rinse or Water Additives: Some oral rinses and water additives are available for dogs to help control plaque and maintain oral hygiene. These products are added to your dog's drinking water and can also reduce bacteria in the mouth. Consult with your veterinarian about the appropriate products and their usage.
  6. Balanced Diet and Chew Toys: A balanced and nutritious diet contributes to overall health, including dental health. Feed your dog a high-quality diet that supports their oral health. Additionally, offering appropriate chew toys, such as rubber toys or dental-specific chews, can help reduce plaque buildup and keep teeth clean.
  7. Early Dental Care: Start dental care practices when your dog is young to familiarize them with the process. Puppies can be easily introduced to gradual tooth brushing, making them comfortable with the procedure. Positive reinforcement, treats, and praise can help create a happy association with dental care.

Remember, every dog is different, and some may require more extensive dental care than others. If you notice any signs of dental issues, such as bad breath, swollen gums, difficulty eating, or tooth discoloration, consult with your veterinarian promptly. They can provide specific guidance tailored to your dog's needs and recommend appropriate dental treatments if necessary.

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