Infections of the 4th Premolar (Carnassial Tooth) in Dogs

Apr 19, 2022 | 0 comments

Infections of the 4th Premolar (Carnassial Tooth) in Dogs

What are Infections that affect the 4th Premolar (Carnassial Tooth)?

If there is a fracture in teeth, the inner pulp filled with nerve endings and blood vessels is exposed to the bacteria within the mouth. This is the leading cause of abscesses, which can cause further inflammation and swell in the face and mouth teeth, tooth death root resorption, loss of tooth and gum and tooth damage, and drainage from the sinus tract. If untreated, a dental infection can quickly become a source of constant discomfort and can cause a change in the dog’s diet.

The four premolars present in dogs are the carnassial or shearing teeth. They are utilized for breaking down or crushing solid materials such as bones or huge chunks of meat. The teeth can be broken, fractured, or damaged and cause an infection. If not treated, the condition can result in swelling, pain, and periodontal diseases. If you notice a fractured tooth, or other symptoms, taking swift medical intervention can alleviate the pain and swelling. It could prevent additional complications and preserve the tooth.

Signs of Infections in the Fourth Premolar (Carnassial Tooth) in Dogs

Tooth infections often hide dogs’ pain; They may not display any symptoms. The most obvious signs include:

  • Facial swelling
  • Eye discharge
  • Gum or tooth discharge
  • Mouth swelling
  • Red or pink lumps that run along gum lines
  • Fatigue
  • Pain signs around or in the mouth
  • Excessive drooling
  • Insatisfaction
  • Inability to consume food
  • Weight loss
  • One side of the mouth
  • The mouth is bleeding
  • Change of mind

Causes of Infections in the fourth Premolar (Carnassial Tooth) in dogs

An infection of the carnassial tooth can be caused by exposure of the delicate nerves and tissues in the tooth to the bacteria. The causes are:

  • Injury
  • Chewing on objects that are hard like antlers, bones, stone, cubes of ice, rubber toys made of plastic, cow hooves, metal collars, cage bars, or fences
  • Attrition, also known as contact between teeth, is abrasive to teeth
  • Periodontal disease
  • The tooth left overtaken from a previous extraction
  • Bacterial infection via the bloodstream
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Diagnostics of Infections of the fourth Premolar (Carnassial Tooth) in dogs

Because dogs tend to conceal their discomfort, the tooth infection of your dog could go unnoticed for a long time. It could only be detected when he is undergoing a routine check. Sometimes, the signs can be misinterpreted as insects, eye infections, or punctures. If a tooth-related infection is suspected, your dentist will conduct an oral and facial examination. An X-ray of the mouth will be taken to determine the tooth that is affected and if the infection is spreading, and the severity of any damaged tissue. Based on the results, your doctor will discuss with you the options available.

The Treatment for Infections of the Fourth Premolar (Carnassial Tooth) in dogs

Your doctor will explain that the appropriate treatment depends on the extent of the infection and the tooth’s condition, and surrounding tissues. When the disease has been confirmed, antibiotics could be prescribed and medications to treat pain and inflammation. The effects of antibiotics can be relieved for a short time. Still, they are not enough to eliminate the cause of infection. The next stage of treatment may include an extraction through a root canal. It could also include pulp therapy, bonded composite restoration, crown restoration, or extraction of the affected tooth.

Root canal

A root canal involves the removal of the infected pulp tissue from the tooth. The space is filled with a tooth-colored crown placed in the distance to seal it. This procedure permits teeth to remain healthy, dependent on the health of the tooth and the surrounding tissues.

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Essential pulp therapy

Vital pulp therapy is intended to keep the pulp tissue and protect it from invasion by bacteria. It is typically used on young teeth and is a means of strengthening the tooth from within. This procedure is more likely to fail over a canal and usually requires the latter when the pulp treatment does not work.

Bonded composite restoration

A composite bonding restoration is an artificial resin that is matched to the strength and coloring of your dog’s teeth. The resin is then bonded with the teeth, filling imperfections and cracks. It is then polished.

Restoration of the crown

Crown repair is the placing of caps or crowns over the tooth that has been damaged or repaired, usually following an operation to treat the root canal.


Although it is generally preferred to save the teeth, some circumstances such as financial or the severity of dental and mouth injury might not permit it. In these situations, an extraction could be suggested. Following removal, antibiotics, as well as pain relief medications, can be prescribed.

Recovering Infections from the fourth Premolar (Carnassial Tooth) in dogs

Following any oral surgery, the dog could require changes in its diet while the gums heal. You might be instructed to only feed soft food for the next week after surgery. It is also possible to receive prescriptions for pain medication and antibiotics to take at home. A follow-up exam will usually be scheduled for six months following any treatment.

Keep your teeth healthy by stopping your dog from chewing complex objects. Plan regular dental exams, check your dog’s dental health at home and treat any tooth damage.

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