This work is dedicated first and foremost to God, to our family members, to our teachers, to our beloved field of dentistry, to each member of our team who will be mentioned as you read it, but above all to you, dear reader, whether you are in the health field or not, but who are interested in the proposed topic. We hope to contribute a little knowledge presented in all the references mentioned and to each of our opinions brought up in the course of our book, encouraging you to read to the end. Squamous cell carcinoma is a malignant neoplasm that frequently affects the oral cavity and brings with it various other alterations that can aggravate the patient's symptoms, which is why prior diagnosis and specific treatments are necessary, and will be presented throughout our explanations.