Why appetite is the wrong test in a Lab
Most dogs go off food when a tooth hurts. A Labrador Retriever often does the opposite, inhaling meals with undiminished enthusiasm while a molar quietly deteriorates. That means the early signs live elsewhere: breath that has turned genuinely foul, a yellow-brown tartar layer thickening fastest on the large upper back teeth, and gums that have shifted from firm pale pink to red and spongy at the edges. Blood specks on a chew, or saliva that looks pink after a game, belong on the same early list.
Chewing changes in a dog who chews everything
Labs process the world through their mouths, so altered chewing is informative. Dropped kibble scattered around the bowl, food rolled deliberately to one side, or a new habit of gulping pieces whole suggests he is avoiding pressure somewhere. This breed also fractures teeth on hard objects, so a sudden flinch, a yelp while chewing something rigid, or interest that stops mid-chew should prompt a look for a chipped or split tooth. A slab-shaped crack on an upper molar can expose sensitive tissue while the dog still seems broadly himself.
Smaller signals owners tend to shrug off
Pawing at the muzzle after eating, rubbing his face on the ground, drooling on one side, and head-shyness when you reach for his collar can each reflect mouth pain. So can a Lab who stops carrying sticks, or retrieves half-heartedly when he was obsessive before. Bad breath in this breed is frequently blamed on something scavenged on a walk, and sometimes that is true for a day. When the smell persists for a week with no dietary culprit, treat it as a dental finding, not a personality trait.
A safe look inside at home
In good light, lift each lip and compare sides. You are scanning for tartar build-up, a tooth that looks grey, pink, or brown compared with its neighbours, red swelling where gum meets tooth, and anything wedged between molars. Check the big upper teeth carefully, since they collect the most plaque and are the usual fracture site. Keep it brief and rewarding. Do not attempt home scaling or probing a sore spot; hard tartar belongs to clinic instruments, and a painful mouth deserves examination, not experimentation.
When to move from watching to booking
Book a vet visit if you spot a broken, loose, or discoloured tooth, recurring gum bleeding, facial swelling, or foul breath that comes with any change in chewing. Swelling below the eye, refusal to eat even for a Lab, drooling with blood, or obvious distress at opening the mouth means he should be seen the same day. Puppies with retained baby teeth alongside adult teeth, and older Labs with other health problems, also merit earlier rather than later attention.
Turning scattered observations into a history
One sour-breath week means little alone, but a dated sequence of tartar, then one-sided chewing, then a chipped molar tells the vet a story with a direction. Keeping those notes together with his vaccination and weight records is exactly what KinsLe provides through Pet Passport, so nothing about his mouth gets lost between visits.