C03.1

Clinical Causes: Tobacco use, including smoking and smokeless tobacco products Heavy alcohol consumption Poor oral hygiene and chronic mouth irritation Human papillomavirus (HPV) infection Exposure to certain environmental carcinogens, such as asbestos or wood dust History of other head and neck cancers Genetic predisposition and family history

Key Symptoms: Persistent sore or ulcer on the gum that does not heal Bleeding from the affected area Swelling or thickening of the gum tissue Difficulty chewing or swallowing Loose teeth or recent change in the fit of dentures Pain or numbness in the lower jaw or chin Unexplained weight loss and fatigue Visible mass or lump on the gum

Diagnosis Path: Diagnosis typically involves a combination of clinical examination, imaging studies such as X-rays, and tissue biopsy. The biopsy provides definitive confirmation of malignancy by examining a tissue sample under a microscope. Additional imaging tests like CT or MRI scans may be used to determine the extent of the tumor and whether it has spread to nearby structures or distant sites. Dentists and specialists in oral and maxillofacial surgery are often involved in the diagnostic process.

Treatment Protocols: Treatment options depend on the stage and location of the tumor, as well as the overall health of the patient. Common approaches include: - Surgical removal of the tumor and surrounding tissues - Radiation therapy to kill cancer cells and shrink tumors - Chemotherapy to target cancer cells systemically - Targeted therapy or immunotherapy in advanced cases Multidisciplinary teams usually coordinate care to optimize outcomes. Post-treatment rehabilitation, including reconstructive surgery or prosthetic devices, may be necessary to restore oral function and appearance.