causes bad breath dogs

Is it bad cause "puppy breath" of concern?
I have a puppy of 12 weeks and encouragement not only the right scent. Is worse than our adult dog breath. Never really had that sweet, coffee-like "puppy breath, but now is strange smell! Does this is normal, not only has some stinky breath puppies puppy?
Your dog is too old for the skunk "" Puppy Love breath.I breath that.If smell bad, contact your Vet asap.This could be a concern.
Excellent site. I have lived many years with embarassment from my bad breath! Should I also consider visiting a doctor? In the meantime, I will try some of the things mentioned on your site. Thanks!