Title: My dog's breath used to clear a room...
A while back my dog's breath got bad enough that I stopped letting him get close to my face, which felt kind of sad honestly. Went down a rabbit hole trying to sort out what actually works versus what's just marketing on a dental chew bag.
A few things that made a real difference:
Brushing 3x a week (not daily, just consistent) — biggest difference by far
Dipping a finger in plain pumpkin puree first to get him used to mouth handling before ever introducing a brush
Fresh water daily, and actually washing the bowl out
Skipped breath sprays entirely — they just mask the smell instead of fixing the cause
If it's sudden or smells sweet/ammonia-like, that's worth a vet check rather than a home fix, but most everyday dog breath is just plaque and diet.
Wrote up everything I learned in more detail if anyone wants it — happy to share the link if that's okay with the mods here. Curious what's worked for other people's dogs too.