Mouth sore: dentist, oral surgeon or ENT?

There is something in your mouth that has been there too long, you have read enough to be worried, and now you are stuck on which kind of appointment to make.

For nearly everybody the answer is the same door, and the specialists come later through a referral. Here is who handles what, and the one timing rule worth remembering.

A dentist is the right first stop for almost anything in the mouth

Dentists examine oral soft tissue at every check-up and see far more mouth lesions than a general physician does. Recognising what is ordinary and what is not is routine work for them.

A dentist can also refer, which is the part that matters. Specialist clinics for mouth disease generally take referrals rather than walk-ins, so going straight to one usually adds a step instead of removing it.

Say on the phone that you have a sore that has not healed. That sentence gets an earlier appointment than a routine check-up request.

Please go see a dentist or doctor asap and get a referral to an oral surgeon or oral medicine specialist. This doesn’t look like what a normal abscess looks like and it can’t just wait until you save some money. At least go get it seen by someone soon. It could be nothing but could be something!

— r/askdentists

The two-week rule is the one to remember

An ulcer or patch that has not healed after two to three weeks gets looked at, regardless of whether it hurts. Ordinary mouth ulcers heal inside two weeks almost without exception, so anything still there past three is outside the pattern.

Pain is a poor guide and tends to point the wrong way. The sores that worry clinicians are frequently the painless ones, firm at the edge, sitting on the side of the tongue or the floor of the mouth.

Date it. Knowing the sore appeared eleven days ago rather than some time last month changes what happens at the appointment.

• not healed after two to three weeks
• painless, firm, or with a raised edge
• numbness, or a tooth loosening near it
• a lump in the neck, or a change in your voice

Oral medicine is the specialty nobody has heard of

Oral medicine specialists deal with disease of the mouth lining rather than with teeth, and they are the people a dentist refers to when a lesion needs expert eyes rather than surgery. Lichen planus, recurrent ulceration and white or red patches land here.

Many countries run these clinics inside dental hospitals, which is why patients never encounter them until a referral arrives. Waiting lists vary enormously by region.

If a dentist says oral medicine, that is good news about the route rather than bad news about the finding.

Could be necrotising sialometaplasia but we won't know until a biopsy is done. I would see a dentist and ask for an urgent referral for an oral medicine specialist for it to get seen. Not to scare you or anything but possible differential diagnoses of such a lesion is OSCC.

— r/askdentists

What an oral surgeon does, and when you go straight there

Oral and maxillofacial surgeons take biopsies, remove lesions and handle anything needing an operation inside the mouth or jaw. A biopsy is the only way to settle what a suspicious patch actually is, so this is where a worrying lesion ends up.

Going directly to an oral surgeon makes sense when a dentist has already said the word biopsy, or when the sore sits alongside swelling of the jaw or face.

Hospital admitting rights matter for anything that might need admission, and not every surgeon has them. Worth asking when the appointment is made.

I would urge you to see a dentist ASAP and get a referral to an oral surgeon for biopsy. Looks extremely suspicious.

— r/askdentists

When ENT is the right door

Ear, nose and throat surgeons own the territory behind the mouth: tonsils, soft palate, base of the tongue, throat and neck. A sore you can see and point at is dental territory; a sore you can feel but not see is often theirs.

Hoarseness lasting more than three weeks, difficulty swallowing, pain referred to an ear, or a lump in the neck all point toward ENT rather than a dentist.

The two specialties overlap at the back of the tongue and they refer to each other constantly. Arriving at the wrong one is a delay rather than a dead end.

Whoever can see you first

Red flags change the calculation. When a sore has been there a month, feels firm, or sits next to a loose tooth, the right appointment is the earliest available one with anybody qualified to look.

A general physician can refer as well, and in some systems that route is faster than a dental one. Two referrals in parallel is allowed and nobody minds.

Almost all mouth sores turn out to be ordinary. The reason for the urgency is that the small number that are not get much harder to treat with every month of waiting, and nothing about how they look tells you which is which.

He should see an oral surgeon who has hospital admitting privileges ASAP. Many hospitals do not have dentists or oral surgeons on staff.

— r/askdentists

Common questions

Should I see a dentist or a doctor for a mouth sore?

A dentist first, in almost every case. They examine oral tissue routinely, see many more mouth lesions than a general physician, and can refer onward to oral medicine or oral surgery if anything needs specialist eyes.

How long should a mouth ulcer take to heal?

Ordinary ulcers heal within two weeks. Anything still present after two to three weeks should be looked at, whether or not it hurts. Painless sores are the ones clinicians take most seriously.

What does an oral medicine specialist do?

They diagnose and manage disease of the mouth lining rather than treating teeth, covering things like lichen planus, recurrent ulceration and persistent white or red patches. Access is usually by referral from a dentist.

When should I see an ENT instead of a dentist?

When the problem sits behind the mouth: tonsils, the back of the tongue, the throat, or a lump in the neck. Hoarseness lasting more than three weeks, trouble swallowing, or ear pain with no ear problem all point to ENT.

Do I need a biopsy for a mouth sore?

Only if the clinician who examines it thinks so, and most sores never get near one. A biopsy is the only way to settle what a persistent patch actually is, which is why it is the step after examination rather than instead of it.

Phone a dentist, say the sore has not healed, and give the date it appeared. That single sentence usually produces an appointment inside a week and starts the referral chain if one is needed.

If the sore has been there more than a month, or feels firm and painless, take the earliest appointment with anybody qualified rather than waiting for the right specialty. Sorting out the correct door is their job, not yours.