Mouth cancer screening is an important preventive measure for those who are at risk, such as smokers, heavy drinkers, and those regularly exposed to the sun. It is typically done in the form of an oral exam by a dentist or doctor. During the exam, they will look for signs of cancer, such as sores or lumps in the mouth or throat, as well as discoloration in the lining of the mouth. They may also take tissue samples for biopsy if they suspect something is wrong. Additionally, they may order imaging tests, such as x-rays or MRIs, to get a closer look at any potential abnormalities. It is important to make sure to get regular screenings, as early detection is key for treating mouth cancer.