Oral cancer is a form of head and neck cancer that impacts the oral cavity, including the mouth, tongue, lips, and throat. Oral cancer is ranked as the sixth most prevalent cancer globally, as stated by the World Health Organization (WHO), with over 300,000 new cases detected annually. Oral cancer occurrence exhibits significant variation across different global areas, with the most elevated rates documented in South and Southeast Asia. Purpose of the Scoping Review The main goal of this scoping review is to fill a gap in summarizing current efforts on early-onset oral cancer diagnosis applications.