The Horse's Bite – Dental Problems in Horses

The horse's mouth is a sensitive area. Healthy teeth are important not only for eating but also for riding with a bridle and bit. Head-shaking or restlessness under the saddle can stem from the horse's mouth.

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The Horse's Mouth Dental problems Symptoms
The Horse's Mouth

A fully grown horse has between 36 and 44 teeth. The number of stallion teeth, the horse’s canines (which mares can also have), and the wolf teeth varies from horse to horse. Wolf teeth are small, vestigial teeth located in front of the first molar. Horses no longer actually need these to chew properly or survive. These teeth are merely remnants of the horse’s evolutionary history. Some horses do not develop them at all, or only two out of four. Between zero and four stallion teeth and/or wolf teeth are possible.

In addition, there are twelve incisors and 24 molars; these are also called grinding teeth and are further distinguished into premolars (= front molars) and molars (= back molars). Between the incisors—or, if present, the canine teeth—and the molars—or, if present, the wolf teeth—there is a gap known as the "bite." This is where the bit is placed when bridling the horse.

Over the course of a horse’s life, teeth continuously push out of the dental sockets while being naturally worn down from above through use. It therefore appears as though a horse’s teeth are constantly growing back. In reality, however, only the root area shortens.

Dental problems

What wisdom teeth are to humans, stallion teeth—also known as hook teeth—and wolf teeth are to horses. Canine teeth can put pressure on the bit and interfere with riding, so you should have this area checked by your veterinarian. For this reason, canine teeth are usually extracted. This procedure is performed under sedation and is fairly straightforward.

Hooked teeth make it difficult for horses to eat and can also interfere with riding. The tongue can be injured by sharp edges and points, causing pain while eating. Hooks that form irregularly in a horse’s dentition can lead to misalignment of the jaw joint and cause balance problems. So a few small teeth can cause a lot of trouble. Your equine dentist—it is advisable to work with a specialist here—files the teeth, proceeding with great precision so that both sides of the teeth fit together. If too much is removed on one side, the pressure distribution during use becomes uneven. Excessive localized pressure on a tooth can even lead to tooth fractures. Tartar must also be removed regularly in horses, just as it is in humans, to prevent painful gum problems. As a general rule, depending on your horse’s predisposition, you should schedule a dental checkup every six to twelve months.

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Symptoms

Horses usually suffer in silence. That’s why we don’t always notice early enough that something is wrong, especially in the early stages of dental problems. This is why regular checkups are so important.

But eventually, the horse can no longer hide its pain and the associated problems. You should watch for the following signs:

  • Constant nasal discharge on one side
  • Tearing, usually on one side
  • Excessive drooling
  • Slow, very cautious eating
  • Gulping without chewing
  • Unusual chewing movements
  • Food in the cheek pouches
  • Smacking noises while eating
  • Weight loss, despite an adequate food supply
  • Sensitivity to touch in the head area
  • Swollen areas on the head
  • Bad breath
  • Head shaking
  • Undigested food particles in the feces
  • Constipation colic

When riding:

  • Difficulty in putting on and taking off the bridle
  • Your horse may not accept the bit and does not respond to the hand while riding
  • Problems with positioning and bending, throwing the head back
  • Bucking, rearing, tongue issues
  • Tension
  • Head tossing

So be attentive to your horse and check its mouth often. Brushing its teeth, however, is not advisable. You’ll be doing it a greater favor by having a professional properly file its teeth and remove tartar on a regular basis.