The Biopsy
A biopsy is a procedure in which a small piece of tissue is taken from an area so that it can be examined closely under a microscope. A biopsy may aim to completely remove an area (an excisional biopsy) — usually suitable only for small lumps or swellings — or to take a small piece of an abnormal area to confirm a diagnosis (an incisional biopsy).

How the procedure works
In most cases, biopsies are performed under local anesthesia, through an injection that numbs the affected area. The injection takes a few minutes to work and makes the biopsy painless. The biopsy usually leaves a small wound that often needs sutures; the threads used are generally dissolvable and disappear in about two weeks. The whole process — anesthetic, biopsy, and suturing — usually takes about 15–30 minutes from start to finish.
Aftercare
Be careful not to bite the numbed areas. On the day of the procedure, avoid rinsing your mouth vigorously, as this can cause bleeding. Clean your teeth as normal, including those next to the biopsy site. If food catches around the sutures, the area can be rinsed gently with mouthwash starting the day after.
Follow-up and results
Because the sutures are resorbable, a follow-up is not always necessary, but an appointment is usually made to discuss the biopsy results — included in the initial cost of the procedure.
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