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It is very important for your oral surgeon to be well versed in oral lesions of all kinds. White patches in the mouth or tongue sores that do not heal are of concern and need to be evaluated promptly. Perhaps your family dentist has advised you to seek out an oral surgeon for a mouth biopsy or thorough oral examination.
Here are some types of biopsies: 1  Needle biopsy. Most biopsies are needle biopsies, meaning a needle is used to access the suspicious tissue. 2  CT-guided biopsy. A person rests in a CT-scanner; the scanner's images help doctors determine the exact position of the needle in the targeted tissue. 3  Ultrasound-guided biopsy.