Dental Health: The Most Common Disease Process in Pets

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I consider dental health one of the most important parts of your pet’s overall health as dental problems can cause very severe problems in the mouth and lead to injuries in other organs. At the Manchester Veterinary Hospital, we recommend your pet’s teeth and gums be checked at least once a year to check for early signs of a problem and to keep your pet’s mouth healthy. Modern veterinary facilities contain the same equipment you see in your own dentist’s office. These include dental instruments, x-ray equipment, and equipment that provides for surgical procedures and allows for the treatment of various kinds of oral disease.

Periodontal disease is the most common dental condition in dogs and cats. By the time your pet is three years old, he or she will very likely have some early evidence of periodontal disease, which will worsen as your pet grows older if effective preventive measures aren’t taken. Early detection and treatment are critical because advanced periodontal disease can cause severe problems and pain for your pet. Periodontal disease doesn’t just affect your pet’s mouth. Other health problems found in association with periodontal disease include kidney, liver, and heart muscle changes. It starts with plaque that hardens into tartar. Tartar above the gumline can often easily be seen and removed, but plaque and tartar below the gumline is damaging and sets the stage for infection and damage to the jawbone and the tissues that connect the tooth to the jawbone. Periodontal disease is graded on a scale of 0 (normal) to 4 (severe). 

The cause of gum disease is the same in cats and dogs as it is in people. Gum disease is an infection resulting from build-up of soft dental plaque on the surfaces of the teeth around the gums. The bacteria in dental plaque irritate the gum tissue if plaque is allowed to accumulate, which often leads to infection in the bone surrounding the teeth. Hard dental tartar (calculus) consists of calcium salts from saliva deposited on plaque. Tartar starts to form within a few days on a tooth surface that is not kept clean and provides a rough surface that enhances further plaque accumulation. Once it has begun to grow in thickness, tartar is difficult to remove without dental instruments.

Veterinary dentistry includes the cleaning, adjustment, filing, extraction, or repair of your pet’s teeth and all other aspects of oral health care. These procedures should be performed by a veterinarian or a board-certified veterinary dentist.  The process begins with an oral exam of your pet’s mouth by a veterinarian. Radiographs (x-rays) may be needed to evaluate the health of the jaw and the tooth roots below the gumline. Because most dental disease occurs below the gumline, where you can’t see it, a thorough dental cleaning and evaluation are performed under anesthesia. Dental cleaning includes scaling (to remove dental plaque and tartar) and polishing, similar to the process used on your own teeth during your regular dental cleanings.

Have your pet’s teeth checked if you observe any of the following problems:

  • bad breath
  • broken or loose teeth
  • extra teeth or retained baby teeth
  • teeth that are discolored or covered in tartar
  • abnormal chewing, drooling, or dropping food from the mouth
  • reduced appetite or refusal to eat 
  • pain in or around the mouth
  • bleeding from the mouth
  • swelling in the areas surrounding the mouth

Some pets become irritable when they have dental problems, and any changes in your pet’s behavior should prompt a visit to your veterinarian. Always be careful when evaluating your pet’s mouth, because an animal in pain may bite. Although cavities are less common in pets than in people, your pet can have many of the same dental problems that people can develop: 

  • broken teeth and roots
  • periodontal disease
  • abscesses or infected teeth
  • cysts or tumors in the mouth 
  • malocclusion, or misalignment of the teeth and bite 
  • broken (fractured) jaw
  • palate defects (such as cleft palate) 

When you go to the dentist, you know that what’s being done is meant to help you and keep your mouth healthy. Your dentist uses techniques to minimize pain and discomfort and can ask you how you are feeling, so you accept the procedures and do your best to keep still. Your pet does not understand the benefit of dental procedures, and he or she reacts by moving, trying to escape, or even biting. Anesthesia makes it possible to perform the dental procedures with less stress and pain for your pet. In addition, anesthesia allows for a better cleaning because your pet is not moving around and risking injury from the dental equipment. If radiographs are needed, your pet needs to be very still in order to get good images, and this is unlikely without heavy sedation or anesthesia. Although anesthesia will always have risks, it’s safer now than ever and continues to improve so that the risks are very low and are far outweighed by the benefits. Most pets can go home the same day of the procedure, although they might seem a little groggy for the rest of the day.

The American Veterinary Dental College does not recommend dental cleanings without anesthesia because they do not allow cleaning or inspection below the gumline, where most dental disease occurs, and can result in injury to the pet or the person performing the procedure.

Prevention of the most common oral disease in pets consists of frequent removal of the dental plaque and tartar that forms on teeth that are not kept clean. Regularly brushing your pet’s teeth is the single most effective thing you can do to keep their teeth healthy between dental cleanings and may reduce the frequency or even eliminate the need for periodic dental cleaning by your veterinarian. Daily brushing is best, but it’s not always possible and brushing several times a week can be effective. Most dogs accept brushing, but cats can be a bit more resistant — patience and training are important. Your veterinarian will be happy to show you models of your pet’s mouth and explain all of the above to you. 

Dr. Lamb is the Veterinarian at the Manchester Animal Hospital.

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