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Frequently Asked Questions About Dog Teeth Grinding — Key Points Every Pet Owner Should Know

Oral HealthQ&AMeongsiljang Veterinary Advisory Board

Teeth grinding in dogs isn’t just a harmless habit—it can be a sign of stress, pain, or an underlying medical condition. Here’s a summary of the key questions and responses every pet owner should know.

Dog teeth grinding is a behavior that varies depending on the environment and emotional state.

Dog teeth grinding isn’t just a habit—it can signal stress, pain, or oral disease. Dental and gum issues: Oral pain from gingivitis (gum inflammation) or periodontal disease can trigger teeth grinding. Emotional factors: It may be a displacement behavior, or self-soothing action, occurring when your dog is anxious or over-aroused. Environmental changes: Stimuli such as moving to a new home or separation from owners can heighten anxiety and worsen teeth grinding. Reinforcement: Overreacting can inadvertently reinforce the behavior. Early intervention: Ignoring the behavior or trying to forcibly stop it may increase stress, so identifying the underlying cause should come first. Veterinary consultation: To rule out medical causes like oral pain, consulting a veterinarian is essential.

The causes of teeth grinding are diverse. Pain, stress, anxiety, and even hormonal changes can have an impact.

There are many possible causes of teeth grinding in dogs, and it may not be just a simple habit but rather a sign of underlying physical or psychological issues. Dental and gum problems: Conditions such as gingivitis or periodontal disease can cause oral pain, leading to teeth grinding. Emotional stress: Environmental changes, loud noises, or separation from owners can trigger anxiety or hyperarousal, which may manifest as self-soothing (displacement) behaviors. Medical differential diagnosis: If teeth grinding occurs repeatedly even when the dog is relaxed, a veterinarian should evaluate for other medical causes, such as seizures. Systemic and hormonal disorders: Hormonal and metabolic conditions, such as hyperthyroidism, can influence behavioral changes, so it’s important to have them checked during a veterinary visit. Environmental factors: Inconsistent daily routines or insufficient exercise can increase emotional tension. Early diagnosis: Attempting training without first identifying the underlying cause can worsen the situation, making a veterinary diagnosis essential.

Identify the main signs of teeth grinding. These are symptoms that pet owners often miss.

Increased frequency of teeth grinding: This occurs when the behavior happens multiple times a day or lasts for extended periods.

Damage around the mouth: This includes wounds or swelling on the lips, chin, or tongue.

Refusal to eat: This happens when your pet experiences pain while eating and avoids food.

Anxious behaviors: This may involve excessive grooming, such as pulling out fur or frequent licking.

Sleep disturbances: This occurs when your pet frequently wakes up during sleep or appears restless while trying to rest.

If teeth grinding worsens and wounds appear around the mouth, an immediate veterinary visit is necessary.

If your pet continues to grind its teeth or develops wounds, bleeding, or swelling around the mouth, the risk of infection increases. Additionally, it can lead to tooth damage or jaw joint issues, so consulting a veterinarian is the safest course of action. Prompt action is crucial.

Comparison of Management Strategies Based on Severity of Teeth Grinding

Item	Mild	Moderate	Severe
Main characteristics	Intermittent, occurring for short periods	Recurrent, occurring several times a day	Persistent, occurring even during sleep
How to respond	Environmental adjustment, removing stress factors	Behavioral correction training, veterinary consultation	Dental examination, medication needed
Need for a clinic visit	Not needed	Recommended	Essential

Since the appropriate response differs depending on the severity of the teeth grinding, an accurate assessment is important.

Management strategies for teeth grinding vary depending on the cause. Identifying the underlying cause is key.

How to manage teeth grinding varies significantly depending on the underlying cause, so identifying the exact trigger is the top priority. If tooth pain is the cause: Your dog needs veterinary dental care to treat gum or periodontal issues. If stress or anxiety is the cause: Provide a calming environment with a personal safe space, soothing music, and pheromone diffusers, while helping relieve tension through regular walks and play. If it’s a self-soothing behavior: Understand your dog’s emotional state and offer safe alternative activities, such as puzzle toys or nose work, to redirect the behavior. If a medical cause is suspected: If other conditions like seizures are suspected, seek a professional diagnosis through additional veterinary examinations and behavioral assessments. A tailored plan is essential: Effective treatment requires a customized plan developed in collaboration between your veterinarian and a behavior specialist. Early intervention is key: Ignoring the cause can worsen the behavior and prolong treatment, so prompt action is necessary.

A veterinarian examining a puppy's mouth.

Here are daily care tips to prevent teeth grinding.

Preventing teeth grinding relies heavily on consistent daily care. Maintain a stable routine: Feed, walk, and put your pet to bed at the same times every day. Provide self-play toys: Offer a variety of toys to naturally redirect the urge to use their mouth. Schedule regular dental check-ups: Early detection and prevention of dental issues are key. Monitor behavioral changes: Watch closely for signs like food refusal, excessive chewing, or anxious postures. Ensure adequate exercise: Physical activity helps burn off energy and ease emotional tension. Adjust the environment: Minimize noise, clutter, and sudden changes. Manage your response: Stay calm and avoid overreacting to teeth-grinding behavior. When all these elements work together, the preventive effect is significantly enhanced.

Ignoring teeth grinding behavior or trying to resolve it solely through training can worsen the condition.

Teeth grinding isn’t just a simple habit—it can be a sign of underlying physical or mental health issues. Ignoring it or trying to force your pet to stop can actually increase their stress, so the safest approach is to have a veterinarian evaluate them.

Reviewed by a veterinarian

Dr. Tony — Punnawat Phongkittirak

Veterinarian

A veterinarian who majored in veterinary medicine at Khon Kaen University, Thailand, and completed the IVSA program at North Carolina State University in the United States. Drawing on clinical experience at animal hospitals, he works in the pet healthcare field and is dedicated to building a digital care environment that connects pet parents with veterinarians.

Frequently Asked Questions

Why do dogs grind their teeth?

Teeth grinding can be triggered by a variety of factors, including dental and gum pain, stress, anxiety, and environmental changes. Hormonal and metabolic disorders may also influence behavior. If the grinding persists even when your pet is relaxed, a veterinarian should evaluate them to rule out medical causes such as seizures.

Can teeth grinding be corrected through training?

If the cause is stress or anxiety, behavioral training can help. However, if dental issues or pain are to blame, training alone won’t resolve the problem. Identifying the underlying cause is the crucial first step.

Can teeth grinding cause damage to the teeth?

Repeated friction can lead to wear or damage on the tooth surface. Additionally, untreated periodontal disease can result in tooth pain or tooth loss, so it’s best to have an early dental checkup for your pet’s safety.

Are there any toys that can help prevent teeth grinding?

Safe puzzle and nose-work toys that can replace the behavior of using the mouth can be helpful, but if the underlying cause is not addressed, their effectiveness will be limited. It's best to consult with a veterinarian before choosing one.

If the teeth grinding stops but then comes back, what should I do?

If symptoms recur, it’s likely that environmental changes or stressors have re-emerged. For safety, consult your veterinarian to reassess the underlying cause and undergo additional testing if needed.

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References

[1] Bain, M.J. and Fan, C.M. (2012). Animal behavior case of the month. J. Am. Vet. Med. Assoc. 240 (6): 673–675.

[2] Dorey, N.R., Udell, M.A.R., and Wynne, C.D.L. (2010). The performance of stray dogs (Canis familiaris) living in a shelter on human-guided object-choice tasks. Anim. Behav. 79: 717–725.

[3] Weinstock, M. (2008). The long-term behavioural consequences of prenatal stress. Neurosci. Biobehav. Rev. 32: 1073–1086.