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Guinea Pigs have 20 teeth, and as rodents, their teeth grow continuously throughout their lives. With the proper diet and good dental hygiene, a Guinea Pig’s teeth should never, or rarely, require trimming. It isn’t recommended that owners trim their Guinea Pig’s teeth, and they should take them to a vet to have the procedure done.
If you clip in the wrong place or attempt to cut too short, you can cut through the roots and cause serious dental problems, not to mention pain and distress! Even if you avoid the roots, cutting them incorrectly can lead to malformation of the tooth as it regrows, which can cause lifelong dental issues.
If your Guinea Pig has long teeth that need trimming, consult a vet. Alternatively, you can follow the steps below to ensure that their teeth naturally grind down to a safe and manageable level.
How to Trim Guinea Pig Teeth
1. Feed Hay
Guinea Pigs rely on constant tooth grinding while eating to maintain their teeth and keep them at a suitable length. Timothy or Alfalfa Hay should form the main part of your Cavie’s diet. Approximately 85% of a Guinea Pig’s daily diet should consist of hay. Your local pet store should stock suitable hay, or you can buy it online and have it delivered to your home.

2. Feed Greens
The rest of your Guinea Pig’s diet will consist mostly of fresh greens, vegetables, and herbs, with some fruit treats thrown in. Harder greens like broccoli encourage your Guinea Pig to eat and grind its teeth down so that they are a healthy length.
3. Look for Signs of Overgrown Teeth
Whether because of illness or your Guinea Pig isn’t grinding its teeth down enough, you should look for signs of overgrown teeth. If you’ve never had Guinea Pigs before, you may not recognize what is a suitable length and what is too long. A Guinea Pig’s teeth should be around 0.6 inches long. If they look longer or your Cavie shows signs of discomfort when eating, it may be time to have them checked.

4. Consult a Vet
If your Guinea Pig’s teeth are too long, it can cause discomfort. Your Cavie may ignore hard food and eat soft foods, and its appetite may wane if eating is too painful. Look for these and other signs, such as swelling of the face or extra saliva or wetness around the mouth. The teeth are very important to rodents like Guinea Pigs so if you are in any doubt whatsoever, consult a vet and have them look at the teeth.
Their molars, or cheek teeth, can also develop problems, such as sharp edges that cut into the soft tissue inside the mouth. Your vet can check to ensure that isn’t occurring.
Do You Have to Cut Guinea Pig Teeth?
Generally, a healthy Guinea Pig should not need to have its teeth cut. The teeth will be gradually ground down over time as the Cavie grinds on its hay and eats its food. However, there are exceptions. Keep a regular check on the length of the teeth, and if they seem to be getting too long or are causing an obstruction, take your little rodent to the vet.
Do Guinea Pigs Feel Pain in Their Teeth?
Your Guinea Pig does not feel pain in the tooth, but it has a network of roots under the teeth, and like people, it can get abscesses and suffer other types of dental pain.

What Are the Signs of Long Teeth?
Other than the physical length of the teeth, the main sign of long teeth in Guinea Pigs is a change in eating habits. Your Guinea Pig may avoid harder food and only eat soft food. Alternatively, they may avoid food altogether or start to eat less. Monitor how much food you give your Cavie and how much they consume each day so that you can tell if yours is eating less or if there are any other changes in their eating habits.
Conclusion
Guinea Pigs are fascinating pets. They are large rodents that rely heavily on their teeth, which are used to cut and shred food and grind it into an edible pulp. Like other rodents, Guinea Pigs have teeth that grow continuously. A healthy Guinea Pig with a good diet will grind its teeth down to a suitable and manageable length, and you will likely never have to have them cut or ground down.
However, if your Cavie gets ill or suffers an injury to its mouth or teeth, you may have to have the teeth cut, which requires visiting a vet. Attempting to cut your Guinea Pig’s teeth yourself can cause injuries and may lead to even worse dental problems.
- https://guineapig101.com/keep-your-guinea-pigs-teeth-short/
- https://www.guineapiggles.co.uk/guinea-pig-teeth/
- https://oxbowanimalhealth.com/blog/how-often-should-your-guinea-pigs-teeth-be-trimmed/
- https://www.wikihow.pet/Treat-Overgrown-Teeth-in-Guinea-Pigs
- https://www.greencrossvets.com.au/pet-library/articles-of-interest/cavy-dental-care
Featured Image Credit: Vince Scherer, Shutterstock