15-Year-Old Chihuahua Gum Care — 3 Teeth Left

A 15-year-old Chihuahua with three teeth remaining — honestly, that's a dog who has made it to a remarkable age, and the fact that you're still thinking carefully about her mouth tells me she's in good hands. Small breeds are disproportionately prone to dental disease because their teeth are crowded into tiny jaws, which speeds up tartar and gum inflammation — and dental pain is one of the most commonly missed sources of chronic discomfort in dogs. At this stage, with so few teeth left, the focus shifts entirely to gum tissue health and keeping her comfortable. Can you tell me a little more about her — has your vet commented on the state of her gums recently, and does she show any signs of discomfort when eating or being touched around the mouth?

That makes complete sense — anaesthesia risk in a frail 15-year-old is real, and your vet is right to avoid it unless absolutely necessary. So the goal is gentle, daily maintenance that reduces bacterial load in the mouth and soothes inflamed gum tissue without any brushing or stress. Does she mind you touching her muzzle or lips, even briefly? And is she currently on any wet food only, or does she have any dry kibble in her diet?

Perfect — that actually makes this straightforward. My recommendation is ProDen PlaqueOff Animal powder. It's a seaweed-based supplement (Ascophyllum nodosum) that you sprinkle onto food daily — no brushing, no sprays, nothing that requires her cooperation beyond eating her meal. It works systemically: the active compounds are absorbed through digestion and then secreted in saliva, where they inhibit the bacteria that cause plaque and gum inflammation. It won't reverse existing inflammation overnight, but over four to six weeks most owners see noticeably healthier-looking gum tissue and fresher breath. For a dog with very few teeth, the gum surface is everything — keeping bacterial levels low is the best thing you can do. The powder dissolves easily into wet pâté, so she won't even notice it. One small scoop per day is all it takes at her weight.

It's well tolerated in senior dogs — the ingredient list is minimal and it's free from artificial additives. That said, because she's already on a heart supplement, I'd always say mention it to your vet at her next check-in, just so they have the full picture. It's not a medication and interactions are not a known concern, but your vet knowing everything she's taking is good practice at her age. The main thing to watch in the first week or two is simply that her digestion stays settled — a tiny number of dogs get mild stomach upset initially, in which case you'd just halve the dose for a week before building back up. At her size, you'll be using a very small amount anyway.

It's widely available on Amazon UK — search ProDen PlaqueOff Animal and you'll find it easily. The 40g tub typically costs around £12–£15 and at a Chihuahua-sized daily dose it lasts a long time, so it's good value for a daily routine. There's also a 180g tub if you want to buy in bulk once you know she tolerates it. Given her age and how little stress you want to cause her, this is genuinely one of the best things you can do — consistent, gentle, and completely passive from her point of view. She just eats her dinner.