Reading a Mustang's Mouth Without Putting Hands on It
Many adopted Mustangs are still learning to accept close handling, so their dental health has to be read from behaviour long before a halter and head examination are routine. That makes your eyes the main instrument. A Mustang developing dental trouble often shortens grazing or browsing bouts, moves away from the hay pile sooner than herd mates, or works a mouthful for a long time and then drops it as a compact wad. Chewing becomes visibly asymmetric, with the jaw favouring one side and the head carried slightly tilted. On open range these horses wore teeth on abrasive forage; in domestic feeding, softer hay and concentrates change wear patterns, so problems can develop that the horse's instincts do nothing to reveal early.
Why Domestic Feeding Changes a Mustang's Dental Picture
A free-roaming horse spends most of the day cropping silica-rich grasses close to the ground, a regime that wears teeth steadily and keeps the chewing stroke wide. A Mustang in a pen or pasture, fed baled hay from a feeder and possibly grain from a bucket, chews with a narrower, more vertical stroke for fewer hours, and uneven wear points can develop faster. Sharp points then rub cheek and tongue, the stroke shortens further, and forage gets swallowed half-ground. Mustangs gathered as adults may also arrive with unknown dental history, old injuries, or teeth worn unevenly from years on coarse ground, so a baseline examination, once the horse can be handled safely, anchors everything you observe afterwards.
Distance Observation: A Routine That Respects the Horse
Build a short, repeatable watching routine at the same feeding each day. From outside the fence, note how long the horse spends eating compared with companions, whether dropped wads appear near his feeding spot, and whether he prefers the soft leaf of the hay over stems. Watch the jaw in profile for one-sided chewing, head tilting, and repeated pausing. Photograph body condition from a consistent distance and angle so slow condition loss is visible in the sequence rather than argued from memory. Note behaviour at the water trough too, since dunking hay or drinking awkwardly with feed falling from the mouth can both be comfort signals in a horse you cannot yet examine closely.
Handling Clues as Trust Allows
As gentling progresses, the way a Mustang accepts handling around the head adds information. New or increasing head-shyness focused on one side, flinching when a hand passes along one cheek, or sudden objection to the halter noseband sitting over the jaw can reflect soreness rather than training gaps. If the horse will tolerate it, compare the feel of both jawlines and cheeks for a lump or asymmetry, and note breath odour during close work. Respect the stage of training: forcing an oral look at a half-gentled horse risks injury to both of you and sets trust back, and a veterinarian can combine a sedated oral examination with other needed care when the time is right.
When to Bring the Vet In, and How to Make It Count
Ask your veterinarian to prioritise an oral examination if you are seeing repeated dropped wads, one-sided chewing, facial swelling, foul breath, bleeding, or steady condition loss despite adequate feed, and seek urgent help for refusal to eat or signs of choke. For a wary Mustang, plan the visit so sedation, a gag, and a full look can happen in one calm session rather than repeated partial attempts. Arriving with dated distance observations, condition photographs, dropping notes, and any gather or prior-care paperwork assembled in KinsLe's Pet Passport lets the vet make that single handling opportunity answer as many questions as possible.