If a sore, patch, or lump in your mouth hasn't healed in two weeks, a biopsy is often the only way to know what it is. We take diagnostic biopsies under local anesthetic in our oral surgery rooms and send the tissue to a pathology lab for analysis — typically with results back in 1 to 2 weeks.
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A biopsy is the removal of a small sample of tissue so a pathology lab can examine it under a microscope and identify what it is. Oral biopsies are used to diagnose suspicious sores, white or red patches, lumps, growths, or any tissue change in the mouth, tongue, gums, lips, or palate that doesn't behave the way it should. Most oral lesions turn out to be benign — but a biopsy is the only way to know for sure, and early diagnosis matters when something is more serious.
When you should see us for a biopsy: any sore in the mouth that hasn't healed in two weeks, a white or red patch that doesn't go away, a lump that's growing or changing, a tissue change you can feel or see that wasn't there before, or any concerning finding identified at a routine dental checkup or oral cancer screening. Smokers, regular drinkers, and patients with a history of HPV are at higher risk and should not delay if something looks unusual.
The biopsy itself is straightforward. Under local anesthetic — or with IV sedation if you're anxious about the procedure — we remove a small piece of the suspicious tissue (or sometimes the whole lesion if it's small), close the site with a stitch or two, and send the sample to a pathology lab. You feel nothing during the procedure, and most patients have no significant discomfort afterward — typically a mild soreness for a day or two. Results come back from the lab in 1 to 2 weeks, and we review them with you in a follow-up appointment.
Most oral biopsies follow this sequence over 2 to 3 weeks from initial visit through diagnosis.
Examine the lesion, take a clinical photo if helpful, review your history, and discuss whether biopsy is appropriate or whether watch-and-wait makes sense first.
Performed under local anesthetic in a single visit. Typically 15 to 30 minutes. A small tissue sample is taken, the site is closed with sutures, and the sample is sent to a pathology lab.
Mild soreness for 1 to 2 days, managed with over-the-counter pain medication. Avoid spicy foods near the biopsy site. Sutures dissolve on their own or are removed at follow-up.
The pathology lab analyzes the tissue and prepares a written report. Results are typically back within 1 to 2 weeks. We contact you as soon as they arrive.
We review the results with you, explain what they mean, and discuss next steps if any — monitoring, additional treatment, or referral to a specialist if needed.
Common questions about oral biopsy procedures.
Don't wait. Book a free consultation. We'll examine the area, discuss whether a biopsy is needed, and walk through what to expect. Most concerns turn out to be benign — but it's better to know.