Companion Dog Dental Health: A Silent Welfare Problem

Dental disease is among the most prevalent and underrecognised welfare problems in companion dogs. Affecting the majority of adult dogs, it causes chronic pain that owners rarely identify — making prevention and early treatment critically important.

Key Facts

Periodontal disease affects an estimated 70-80% of dogs over age 3, making it one of the most common conditions seen in veterinary practice
Dogs rarely show obvious signs of dental pain such as refusing food — they typically continue eating while suffering from chronic oral discomfort
Bacteria from dental disease can enter the bloodstream and cause secondary organ damage including kidney, liver, and heart disease
Small breed dogs and brachycephalic breeds have higher rates of dental disease due to tooth crowding and malocclusion
Daily toothbrushing is the gold standard for dental disease prevention; dental chews and water additives provide supplementary but not equivalent benefit
Professional dental scaling under general anaesthesia is required to treat established periodontal disease safely and effectively

Welfare Considerations

Dental disease in dogs represents a welfare problem of enormous scale that is systematically underidentified. Because dogs stoically continue eating with painful mouths — an evolutionary adaptation to avoid appearing vulnerable — owners interpret continued food consumption as evidence that dental health is not a problem. Veterinary assessment tells a different story: the majority of adult dogs have active periodontal disease causing inflammation, recession, bone loss, and tooth root exposure that would be deeply uncomfortable in humans. The welfare cost is chronic low-grade pain accumulated over years, often unrelieved until the tooth is extracted under anaesthesia. Prevention requires daily toothbrushing established as a habit from puppyhood; most adult dogs accept brushing when introduced gradually with positive reinforcement. The barrier is primarily owner awareness and motivation — improving both is a high-impact welfare intervention.

What You Can Do

Establish daily toothbrushing as a routine for your dog, starting gradually with dog-safe toothpaste from puppyhood
Schedule a professional dental assessment at every annual veterinary check-up
Do not assume your dog has no dental pain simply because they continue eating — dogs mask dental discomfort effectively
Provide dental chews approved by the Veterinary Oral Health Council (VOHC) as a supplement to brushing
Authorise dental cleaning under anaesthesia when recommended by your vet — delaying treatment prolongs suffering
For small breeds and brachycephalic dogs, schedule dental assessments from age 2 as disease develops earlier in these breeds