The Silent Epidemic: Dental Disease in Senior Dogs

At a Glance

Dental disease is the most common health condition veterinarians diagnose in dogs. Studies using thorough dental examination find that approximately 80 per cent of

dogs over the age of three have some form of periodontal disease. This means your senior dog has likely lived with years of cumulative damage, much of it invisible. Yet only 18 per cent of pet parents practise any form of preventive dental care at home, and fewer than four per cent brush their dog’s teeth daily.

If your senior dog has bad breath, drops food, avoids hard treats, or seems reluctant at mealtimes, these may not be signs of “just getting old.” They may be signs of dental pain — the kind dogs are biologically wired to hide from you.

This guide covers what dental disease actually looks like in older dogs, which breeds face higher risk, the home prevention approaches ranked by evidence, the myths that deserve to be retired (including the one about kibble cleaning teeth), and the integrative ingredients (from seaweed supplements to turmeric) that have genuine science behind them. It also offers an honest conversation about professional dental cleaning, anaesthesia safety, and when your vet needs to be involved.

Whether you have noticed yellow teeth, brown buildup along the gumline, a smell that was not there a year ago, or a sudden reluctance to chew — whether you are looking for dog teeth cleaning at home, wondering is bad breath normal in old dogs, or searching for the best dental chews for senior dogs, start here.

The Full Guide

Why They Call It Silent

Pet parents often say: “His breath has always been like that” or “She just seems a bit grumpy these days.” Here is what those observations may actually mean.

Dogs are evolutionary survivors. In the wild, showing pain invites predation, so they learned to mask it. That instinct persists in every breed, from Pomeranians and toy Poodles to Pugs and Indian Spitz. A dog with a fractured tooth, inflamed gums, or a root abscess will continue eating, playing, and greeting you at the door. By the time the signs become obvious to you, the disease has often reached a stage where professional intervention is the only option. And for small breeds, who face up to five times the dental disease risk of larger dogs, that window closes faster than most pet parents realise.

The numbers tell a stark story. Research using anaesthetised dental examinations (the only way to see what is truly happening below the gumline) consistently finds that 80 to 89 per cent of dogs over three years of age have some degree of periodontal disease. Banfield Pet Hospital’s 2024 report, drawing on millions of patient records, found 73 per cent of all dogs seen that year had dental-related issues. Yet a survey of over a thousand pet parents found that 78 per cent do not believe their dog will develop dental problems. Another found that 42 per cent dismiss persistent bad breath as normal.

The gap between prevalence and awareness is enormous. Only 18 per cent of pet parents practise preventive dental care, and just two to four per cent brush their dog’s teeth every day. This article is not here to add guilt to that statistic. It is here to meet you where you are — and to give you a realistic, evidence-ranked set of options that work in real life, not just in a textbook.

What Is Happening Inside Your Dog’s Mouth

If you have ever Googled “is tartar on dogs’ teeth bad” or “what does gum disease look like in dogs,” this section is for you.

Dental disease begins within hours of a meal. Bacteria colonise the tooth surface, forming a soft film called plaque. If plaque is not removed (through brushing, chewing, or mechanical disruption), it begins to mineralise within two to three days, hardening into calculus (tartar). Once calculus forms, it cannot be removed at home; only professional scaling under anaesthesia can clear it. The calculus itself is not the primary threat — it is the bacterial colonies it shelters against the gumline that drive the disease forward.

Periodontal disease progresses through four stages, and only Stage 1 is fully reversible. Stage 1 (gingivitis) involves reddened, swollen gums without attachment loss. Professional cleaning and daily home care can return gums to health at this point. Stage 2 (early periodontitis) means up to 25 per cent of the structures anchoring the tooth to the jaw have been destroyed. Stages 3 and 4 represent moderate and advanced destruction — loose teeth, pus, possible jaw fracture in small breeds, and chronic pain that the dog cannot tell you about in words.

Two-thirds of each tooth sits below the gumline, invisible to you and to your vet during a routine wellness check without anaesthesia. A dog’s teeth can appear pearly white on the surface while significant disease progresses in the bone beneath. Dogs have 42 permanent teeth, and every one of them matters for eating, playing, and quality of life in the senior years.

For senior dogs, the picture is compounded by time. Periodontal disease is cumulative. Years of low-grade inflammation thin the bone. The immune system’s

ability to fight oral bacteria declines with age. Medications for arthritis or heart conditions may interact with dental treatment plans. A senior dog is not simply a younger dog with grey fur — the mouth has its own ageing trajectory.

Breeds at Higher Risk — And Why Size Matters

Searching for “are small dogs more prone to dental disease” or “do Pugs have bad teeth”? The short answer is yes, and the reason is jaw geometry.

The largest study on the subject (an analysis of over three million patient records) found that extra-small breeds weighing under 6.5 kilograms are up to five times more likely to develop periodontal disease than giant breeds. The reasons are structural: smaller jaws mean crowded teeth, which trap food and plaque in places a toothbrush or chew cannot reach. Smaller breeds also have proportionally less bone anchoring each tooth, making bone loss more consequential. And because small dogs tend to live longer, they accumulate more years of progressive damage.

Brachycephalic breeds — including Pugs — face a particular burden. Their shortened skulls create incisor overcrowding and tooth rotation. A Swedish survey found that 34 per cent of Pug owners rated it “very difficult” to inspect their dog’s teeth — the highest difficulty rate among all surveyed breeds. Crowded incisors trap debris for months or years before the problem becomes visible.

Labradors are not immune despite their size. Banfield’s 2024 data shows 75.9 per cent of Labradors had dental-related issues, a sobering figure for a large breed many owners assume is safe from dental disease.

For Indie dogs, the honest answer is that no breed-specific dental research exists yet. As medium-sized dogs with naturally evolved genetics, their risk likely falls in the moderate range. What we do know is that dental disease affects dogs of every breed, size, and background. Diet, home care, and genetics all play a role.

Age is the multiplier across all breeds. Data from the VetCompass programme shows that dogs aged eight and older are more than three times as likely to have periodontal disease compared to dogs aged two to four.

The Signs Your Dog Is Hiding Pain

When pet parents search for “why does my old dog drop food” or “senior dog won’t eat hard food,” they are often describing dental pain without knowing it.

The following signs may seem unrelated to dental health — and that is precisely what makes dental disease so easy to miss. Many of these behaviours are attributed to “just getting old” when they actually indicate treatable oral pain.

Bad breath that has gradually worsened. A healthy mouth should not smell foul. Persistent halitosis is the single most common sign of periodontal disease — yet 42 per cent of pet parents dismiss it as normal.

Changes in how your dog eats. Chewing on one side, dropping food, tilting the head while eating, carrying food away from the bowl, or suddenly preferring soft food over kibble. These are all pain-avoidance behaviours.

Decreased enthusiasm for chew toys. A dog who once loved a good chew but now ignores toys is often assumed to be “slowing down with age.” The real reason may be that chewing hurts.

Pawing at the mouth, rubbing the face on furniture, or jaw quivering. These are active pain signals that dogs cannot suppress entirely. Jaw chattering, in particular, is frequently mistaken for excitement or cold.

Personality changes. Withdrawal, irritability, snapping when touched near the face, or a general loss of enthusiasm. Chronic pain changes behaviour. A “grumpy old dog” may be a dog in pain.

Facial swelling or unilateral nasal discharge. Swelling along the jaw or cheek may indicate a tooth root abscess. Discharge from one nostril (not both) can signal an oronasal fistula, where advanced disease has eroded through the bone between the mouth and the nasal cavity. Most pet parents would never connect a runny nose to dental disease.

You can make a habit of checking your dog’s mouth weekly by gently lifting the lips from the side and looking at the gums and outer tooth surfaces on both sides. Redness, swelling, brown or yellow deposits, and bleeding on gentle touch are all flags. But remember: home exams reveal only what is above the gumline. The majority of periodontal disease hides below it.

What Dental Disease Does to the Rest of the Body

You may have heard that “bad teeth can cause heart disease in dogs.” The reality is more , and more important, than the headline suggests.

Periodontal disease is not just a mouth problem. The chronic inflammation and bacterial load it produces can affect distant organs — but the strength of evidence varies by organ, and overstating these links does a disservice to pet parents trying to make informed decisions.

The kidney connection is the strongest. Banfield’s 2024 data shows dogs with advanced periodontal disease are 2.3 times more likely to develop chronic kidney disease. More compellingly, a study of over 100,000 dogs found that treating periodontal disease reduced the risk of kidney failure by 23 per cent. This is one of the rare findings showing that dental intervention directly protects another organ.

The heart connection is real but nuanced. Dogs with advanced dental disease show a 6.3 times higher risk of endocarditis, an infection of the heart valves. However, myxomatous mitral valve disease, the most common heart condition in small senior dogs, has no established causal relationship with dental disease. Much of the perceived dental–heart connection is extrapolated from human medicine.

Liver and diabetes connections remain under investigation. Histopathological studies have found associations between dental disease severity and liver changes, but the evidence base is small. The diabetes link in dogs is largely inferred from human research — no robust canine study has confirmed a direct periodontal–diabetes relationship.

Why does this matter? Because an educated pet parent deserves evidence grades, not scare tactics. The kidney link is strong enough to justify dental care on systemic grounds alone. The heart and liver connections warrant awareness, not alarm.

The Kibble Myth — And What Food Actually Does for Teeth

One of the most searched questions about dog dental health is “does kibble clean dogs’ teeth?” The answer may change how you think about your dog’s diet.

The idea that dry food provides a mechanical scrubbing action against plaque is one of the most persistent myths in pet care. A study of 1,350 dogs found few meaningful differences in dental health between those fed dry food and those fed other diets. The reason is simple: most standard kibble shatters on first bite. The tooth passes through it rather than scraping against it.

The exception is specially formulated dental diets. These use larger kibble designed to resist shattering, interlocking fibre matrices that force the tooth to push through the kibble surface, and polyphosphate coatings that bind salivary calcium to slow tartar formation. Research shows increasing kibble diameter by 50 per cent produced a 42 per cent tartar reduction; adding a polyphosphate coating achieved 55 per cent. Several dental diets carry the Veterinary Oral Health Council (VOHC) Seal of Acceptance, meaning they have met a minimum 20 per cent reduction in plaque or calculus in controlled trials.

Another mineral-based approach is sodium hexametaphosphate (SHMP), a calcium chelator applied as a coating to kibble and treats. Studies in dogs show 60 to 80 per cent reductions in calculus formation. SHMP is the active ingredient in many dental chew coatings and specialist kibble formulations. It carries United States Food and Drug Administration (US FDA) Generally Recognized As Safe (GRAS) status and works preventively — it cannot dissolve tartar that has already hardened.

The takeaway: your senior dog’s regular kibble is unlikely to provide meaningful dental benefit. Specially formulated dental diets and SHMP-coated products can help — but food choice supports dental health rather than replacing active home care.

The Home Prevention Playbook — Ranked by Evidence

Searching for “how to clean dog teeth without brushing” or “best dental chews for senior dogs”? Here is every home option, ranked by what the research actually supports.

Not all dental care products are equal, and the marketing rarely tells you where the evidence runs thin. What follows is a tiered ranking based on the quality and quantity of research behind each approach.

Tier 1: Daily tooth : the gold standard

Brushing remains the single most effective home prevention method. A controlled study showed that daily or every-other-day brushing produces significant reductions in plaque, calculus, and gingivitis, with measurable improvements visible within seven days of starting. The benefits disappear within two weeks of stopping, because plaque begins reforming within 24 hours.

The compliance crisis is real: only two to four per cent of dog owners brush daily, and nearly 70 per cent have never brushed at all. If you are not brushing, you are in an overwhelming majority, and there are still meaningful steps you can take. But if you can build the habit, even three times a week makes a measurable difference. Use a veterinary toothpaste or a safe carrier such as coconut oil.

Tier 2: VOHC-accepted dental chews: the strongest adjunct

Multiple controlled trials show daily dental chew use produces 12 to 36 per cent reductions in plaque and calculus. Dental chews work best on the back teeth (the chewing surfaces), while brushing is most effective on the front teeth, making them complementary rather than interchangeable. Roughly 38 per cent of dog owners use dental chews, making compliance far higher than brushing. Look for the VOHC Seal of Acceptance. Products carrying this seal have passed independent clinical trials reviewed by a board of veterinary dental scientists.

Nearly half of pet parents believe dental chews can replace brushing. They cannot — but for the 96 per cent who do not brush daily, a VOHC-accepted chew is the most practical upgrade available.

Tier 3: Dental gels and advanced toothpastes

Several products go beyond basic enzymatic toothpaste. Calprox-based toothpaste (calcium peroxide) dissolves the salivary protein pellicle — the thin layer that forms on teeth within minutes of cleaning and serves as the foundation for all subsequent plaque. It is the first toothpaste to receive a VOHC Seal of Acceptance, with trial data showing 62 per cent greater plaque reduction versus a standard pet toothpaste.

Zinc ascorbate gels combine antimicrobial zinc with vitamin C to stimulate collagen production in gum tissue, particularly relevant for senior dogs with deteriorating periodontal structures. These have over 20 years of veterinary clinical use. Enzymatic toothpastes use a glucose oxidase–lactoperoxidase system that mimics the natural antimicrobial cascade in saliva. They are widely recommended but are not VOHC-validated as standalone products; their primary value may be palatability, which encourages dogs to accept the brushing routine.

Tier 4: Water additives

VOHC-accepted water additives exist and work best as part of a layered approach alongside brushing or chews. Chlorhexidine remains the most evidence-backed antimicrobial ingredient in canine oral care, though long-term use can cause tooth staining. A 2025 study found that combining a water additive with weekly brushing or daily chews significantly improved periodontal outcomes compared to any single modality alone.

Tier 5: Emerging science — the next generation

Nano-hydroxyapatite (nHA) is a synthetic form of the mineral that makes up 97 per cent of tooth enamel. In its nano-particle form, it deposits directly into micro-defects in the enamel surface, remineralising worn or ageing teeth. If swallowed, it simply breaks down into calcium and phosphate. Human trials show it performs comparably to conventional remineralising agents for enamel repair and desensitisation. Canine evidence is still preliminary; surgical studies confirm biocompatibility, but no canine toothpaste trial has been published yet. For senior dogs with thinning enamel, this is an ingredient worth watching.

Erythritol is a naturally occurring sugar alcohol found in fruits such as melons and grapes. It inhibits the growth of key periodontal pathogens: an in vitro study using bacteria isolated from canine mouths found 38 to 41 per cent growth reduction. Canine safety testing established a no-adverse-effect level more than 33 times higher than the toxic threshold of other sugar alcohols used in human dental care. No commercial canine dental products feature erythritol yet. The science suggests it is only a matter of time.

Oral probiotics and postbiotics represent the fastest-growing category in canine dental research. A canine-derived strain of Lactobacillus acidophilus (MJCD175) significantly reduced a key periodontitis pathogen after four weeks of oral administration. A postbiotic trial in 60 dogs showed a 10 per cent plaque reduction versus placebo, and a separate study found 27 per cent reduction in halitosis within seven days. These approaches work by restoring balance in the oral microbiome rather than killing bacteria indiscriminately.

The Natural Chew Debate — Bones, Antlers, and What Your Dog’s Teeth Can Handle

The question “are raw bones good for dogs’ teeth” divides pet parents like few others. Here is what the evidence (not the ideology) says.

The single study most frequently cited in favour of raw bones for dental health used just eight beagles and found approximately 10 per cent calculus reduction. Meanwhile, the risks (dental fractures, gastrointestinal obstruction, bacterial contamination, and constipation) are well documented across multiple larger studies. Even wild canids with entirely natural diets show 48 per cent fractured teeth and 41 per cent periodontal disease.

Dog enamel is thin: only 0.35 to 0.44 millimetres, compared to 2.5 millimetres in humans. Antler and horn chews exceed the hardness of enamel and can cause slab fractures that require extraction under anaesthesia. Veterinary dental specialists use a practical test: if you would not want to hit your kneecap with it, it is too hard for your dog’s teeth.

For senior dogs with existing dental disease or weakened bone, the risk–reward calculation tips further against hard chews. Safer alternatives include appropriately sized VOHC-accepted chews and dehydrated single-ingredient treats that yield on pressure rather than resisting it.

Beyond the Toothbrush — Integrative Approaches with Real Evidence

If you have ever wondered whether turmeric, coconut oil, or seaweed supplements could help your dog’s teeth, you are asking the right question. Some of them have genuine science behind them.

Ascophyllum nodosum (seaweed) is the standout natural ingredient. This North Atlantic brown seaweed works through an unusual systemic mechanism: bioactive compounds are absorbed in the gut, enter the bloodstream, and are secreted into saliva, where they modify the oral environment to inhibit plaque mineralisation. A double-blind, placebo-controlled study in 60 dogs found approximately 40 per cent plaque reduction after 90 days, with significant decreases in halitosis markers.

Multiple product formats carry the VOHC Seal of Acceptance, making this the most rigorously validated natural dental ingredient available.

Because it is taken as a food topper, it requires no brushing and no oral handling, which makes it ideal for senior dogs who resist having their mouths touched.

Turmeric has the strongest botanical evidence for canine periodontal disease. A rigorous study gave chemically modified curcumin to dogs with natural periodontitis for three months after professional cleaning and found significant decreases in pocket depth, gum inflammation, alveolar bone loss, and the inflammatory markers that drive periodontal destruction. The bioavailability challenge is real (standard curcumin is poorly absorbed) but solvable with modified formulations, piperine (black pepper extract), or phospholipid complexes. For a senior dog on an anti-inflammatory supplement stack, the dental and bone-protective benefits may be an additional return on an existing investment.

Neem has extensive human dental evidence — mouth rinses have been shown to match chlorhexidine for reducing periodontal disease markers in multiple controlled trials. The antimicrobial compounds (nimbidin, azadirachtin) are well characterised. The tradition of chewing neem twigs for oral hygiene spans millennia. However, no controlled canine dental trial has been published. The science is biologically plausible and culturally resonant, but canine-specific evidence is the missing piece.

Coconut oil contains lauric acid, which has documented antimicrobial properties. Limited human evidence suggests oil pulling may benefit oral health. No canine dental studies exist, but dogs generally enjoy the taste, making it a useful carrier for tooth brushing rather than a standalone treatment.

Cranberry extract has a unique mechanism: its proanthocyanidins disrupt bacterial adhesion and biofilm formation without killing , preserving beneficial oral flora while reducing pathogenic attachment. A 2024 systematic review found positive human dental results. No canine dental studies exist, but the non-bactericidal mechanism is an advantage in an era increasingly wary of antimicrobial overuse.

The integrative principle that ties these together: layered approaches outperform any single ingredient. A systemic supplement (seaweed), a topical approach (brushing with an evidence-based toothpaste), and a mechanical chew — used together — cover more ground than any one of them alone.

What About Professional Cleaning? An Honest Word on Anaesthesia

The most common reason pet parents avoid professional dental cleaning for their senior dog is fear of anaesthesia. Here is what the numbers actually say.

A professional dental cleaning is not cosmetic. Under general anaesthesia, your vet takes full-mouth radiographs (the only way to see the two-thirds of each tooth below the gumline), scales both above and below the gumline, probes every tooth for pocket depth, and identifies disease that is invisible on the surface. This is diagnostic medicine, not grooming.

Anaesthesia safety has improved dramatically. The largest study of canine anaesthetic risk — covering over 98,000 dogs, found an overall mortality rate of 0.17 per cent, and just 0.05 per cent in healthy dogs. The veterinary dental specialist consensus is clear: “Age is not a disease.” It is concurrent health conditions (not birthdays) that determine anaesthetic risk. Pre-anaesthetic screening (bloodwork, heart evaluation, and sometimes chest radiographs) is the key risk-mitigation step, and your vet will tailor the protocol to your dog’s individual health status.

A note on breed-specific anaesthesia considerations. Certain breeds metabolise anaesthetic drugs differently, and your vet should be aware of these differences before any dental procedure.

Sighthound breeds (including Salukis, Greyhounds, and Whippets) have a well-documented enzyme deficiency (CYP2B11) that slows the clearance of certain anaesthetic agents. Recovery times may be significantly longer, and some drugs commonly used in other breeds should be avoided entirely. If your dog is a sighthound or sighthound mix, make sure your vet is aware.

Herding breeds (including Collies, Australian Shepherds, Shetland Sheepdogs, and approximately 10 per cent of German Shepherds) may carry the MDR1 (Multi-Drug Resistance 1) gene mutation, which affects how they process certain sedatives and pain medications used during dental procedures. Genetic testing is available and your vet can adjust the protocol accordingly.

Brachycephalic breeds such as Pugs face airway-related risks under anaesthesia, not drug metabolism differences, requiring careful intubation, monitoring, and a slower approach to recovery.

Avoid “anaesthesia-free” dental services. Every major veterinary organisation opposes non-anaesthetic dental scaling. These procedures cannot clean below the gumline, cannot take radiographs, cannot probe pockets, and cannot protect the airway. Worse, they create a cosmetically improved appearance that masks ongoing disease beneath the , giving pet parents false reassurance while the condition progresses.

If your vet recommends a dental procedure for your senior dog, it is worth asking about photobiomodulation (low-level laser therapy) as a post-procedure option. A controlled study in 47 dogs showed significantly reduced gum inflammation from the first day after treatment, without the need for additional anti-inflammatory medication — particularly valuable for seniors with kidney or liver concerns that limit drug options.

A common concern among pet parents is whether anything can strengthen weakened tooth roots. The honest answer is that root structure, once damaged, cannot be rebuilt with current science. However, the alveolar bone that anchors teeth can be preserved and in some cases regenerated. Guided tissue regeneration— a surgical technique using bone graft materials — achieves a 90 per cent success rate for certain types of bone defects in dogs. Platelet-rich plasma (PRP), drawn from the dog’s own blood, has shown significant improvements in pocket depth and bone preservation in recent clinical studies of small-breed dogs with periodontitis. Ask your vet whether regenerative options are appropriate for your dog’s situation.

Putting It All Together — A Practical Daily Routine

Searching for “senior dog dental care routine” or “how to start brushing an old dog’s teeth”? Here is a realistic plan built for real life, not a textbook.

The best dental care routine is the one you will actually follow. Here is a phased approach that starts where most pet parents are (not brushing) and builds gradually.

Weeks 1–2: Observe and supplement. Use the early warning checklist from the section above to assess your dog’s current dental health. At the same time, introduce a daily seaweed-based food topper (Ascophyllum nodosum). This requires no oral handling and begins working systemically within the first month.

Weeks 3–4: Add a mechanical layer. Introduce a VOHC-accepted dental chew daily, ideally after the main meal. If your dog tolerates it, add a water additive. You now have two passive layers working without touching your dog’s mouth.

Week 5 onward: Begin brushing desensitisation. Start with simply lifting your dog’s lips for a few seconds while offering a treat. Progress to rubbing a finger along the gumline, then a finger brush with veterinary toothpaste, then a soft-bristled brush if tolerated. Even twice a week adds meaningful protection on top of the supplementation and chews already in place.

For dogs who will not tolerate brushing: a no-brush protocol combining the seaweed supplement, a daily dental chew, and a zinc ascorbate gel or Calprox-based toothpaste applied by rubbing along the outer gumline can still provide substantial benefit. This is not a compromise — it is a realistic, evidence-informed plan for the 96 per cent of pet parents who are not brushing daily.

Make it a weekly habit: a brief home dental check: lift the lips, look at the gums on both sides, note any changes. Early detection is the entire difference between a reversible Stage 1 problem and an irreversible Stage 3 one.

When to call your vet: persistent bad breath despite home care, visible loose teeth, facial swelling, bleeding gums, one-sided nasal discharge, or any sudden change in eating behaviour. These are not “wait and see” situations.

Your vet is your partner in this. This guide gives you the evidence to do more at home, and to have better conversations with your vet about your senior dog’s mouth.

Sources Cited in This Article

1. Enlund, K.B. et al. (2020). Dog Owners’ Perspectives on Canine Dental Health. Frontiers in Veterinary Science, 7, 298.
2. Wallis, C. & Holcombe, L.J. (2020). A review of the frequency and impact of periodontal disease in dogs. Journal of Small Animal Practice, 61(9), 529–540.
3. O’Neill, D.G. et al. (2021). Epidemiology of periodontal disease in dogs in the UK primary-care veterinary setting. Journal of Small Animal Practice, 62(12), 1105–1112.
4. Wallis, C. et al. (2021). Association of periodontal disease with breed size, breed, weight, and age in pure-bred client-owned dogs in the United States. Veterinary Journal, 275, 105720.
5. Banfield Pet Hospital (2024). State of Pet Dental Health Report.
6. AAHA (2019). Dental Care Guidelines for Dogs and Cats. American Animal Hospital Association.
7. Harvey, C.E. et al. (2015). Effect of Frequency of Brushing Teeth on Plaque and Calculus Accumulation, and Gingivitis in Dogs. Journal of Veterinary Dentistry, 32(1), 16–21.
8. Harvey, C.E. et al. (1996). Association of diet with periodontal disease in dogs. Study of 1,350 dogs.
9. Hennet, P. et al. (2007). Effect of dental kibble size and polyphosphate coating on plaque and calculus in dogs. WSAVA Proceedings.
10. Glickman, L.T. et al. (2009). Evaluation of the risk of endocarditis and other cardiovascular events on the basis of the severity of periodontal disease in dogs. JAVMA, 234(4), 486–494.
11. Glickman, L.T. et al. (2011). Association between chronic azotemic kidney disease and the severity of periodontal disease in dogs. Preventive Veterinary Medicine, 99(2–4), 193–200.
12. DeBowes, L.J. et al. (1996). Association of Periodontal Disease and Histologic Lesions in Multiple Organs from 45 Dogs. Journal of Veterinary Dentistry, 13(2), 57–60.
13. Pavlica, Z. et al. (2008). Periodontal disease burden and pathological changes in organs of dogs. Journal of Veterinary Dentistry, 25(2), 97–105.
14. Brodbelt, D.C. et al. (2008). The risk of death: the Confidential Enquiry into Perioperative Small Animal Fatalities. Veterinary Anaesthesia and Analgesia, 35(5), 365–373.
15. Martinez, M.N. et al. (2020). Pharmacogenomics of poor drug metabolism in Greyhounds: CYP2B11 genetic variation. Scientific Reports, 10, 68.
16. Gawor, J. et al. (2018). Effect of daily intake of Ascophyllum nodosum on calculus, plaque, and gingivitis. A randomised controlled study. Veterinary Medicine and Science.
17. Deng, J. et al. (2020). Chemically-Modified Curcumin 2.24: A Novel Systemic Therapy for Natural Periodontitis in Dogs. Journal of Periodontology, 91(6), 820–828.
18. You, I.S. et al. (2022). Lactobacillus acidophilus novel strain, MJCD175, as a potential probiotic for oral health in dogs. Frontiers in Veterinary Science, 9, 946890.
19. Eapen, A.K. et al. (2017). Acute and sub-chronic oral toxicity studies of erythritol in Beagle dogs. Food and Chemical Toxicology, 105, 448–455.
20. Vullo, C. et al. (2015). Use of nano-hydroxyapatite in regenerative therapy in dogs affected by periodontopathy: preliminary results. Clinical Case Reports and Reviews, 1(7), 162–166.
21. Marx, F.R. et al. (2016). Raw bones as a means for controlling dental calculus. Study in 8 beagles.
22. Abreu-Villela, R. et al. (2021). Ozone therapy to prevent plaque formation in dogs. Journal of Veterinary Dentistry, 38(1), 22–28.
23. Alves, G.M. et al. (2024). Effect of photobiomodulation therapy on inflammation following dental prophylaxis. Journal of Veterinary Dentistry.
24. Kensche, A. et al. (2017). Hydroxyapatite reduces initial bacterial colonisation comparable to chlorhexidine. In situ study.
25. Summers, J.F. et al. (2019). Health-related welfare prioritisation of canine disorders. BMC Veterinary Research.
26. VOHC (2025). Veterinary Oral Health Council Accepted Products List for Dogs. vohc.org.
27. Gramer, I. et al. (2011). Breed distribution of the nt230(del4) MDR1 mutation in dogs. The Veterinary Journal, 189(1), 67–71.
28. Baydan, E. et al. (2024). Investigation of ivermectin susceptibility in Kangal and Akbaę dogs. Turkish Journal of Veterinary and Animal Sciences.
29. Chung, C.S. et al. (2023). Submucosal injection of activated platelet-rich plasma for treatment of periodontal disease in dogs. Journal of Veterinary Dentistry, 40(1), 23–30.
30. Kvitka, D. et al. (2025). Clinical evaluation of autologous PRP in the treatment of periodontitis in small-breed dogs. Animals, 15(24), 3581.
31. Lee, D. et al. (2023). Clinical success of guided tissue regeneration for treating vertical bone and furcation defects in dogs. Frontiers in Veterinary Science, 10, 1247347.