Oral Lesions Screening is the procedure to look for symptoms of cancer by the dentist. One can view lesions in the mouth using a special light. In short, screening means looking for the cancer before it contributes to any symptoms. This helps to detect cancer at the early stage by understanding the normal tissue or cancer found in early stages and it must be easier to treat it. Many scientists will try to better understand why people are more likely to get certain types of cancer. Many times relevant information helps doctors to figure out if the patient should be screened for cancer and see for screening tests and how many times tests should be done. One should always remember that if any person has the history of tobacco and alcohol and if the patient had a head and neck malignancy earlier, they could develop oral cancer. Many symptoms indicate that the dentist can deduct the presence of cancer but also treat the site of the lesion. One has to discover oral, head and neck cancers early before many patients present many complaining of pain, a mass, bleeding. When symptoms are discovered, the patient should immediately consult a dental expert and get an oral lesion-screening test done. If the symptoms are caught early, certain cancers of the mouth can be cured.