Oral cancer is a significant public health issue that impacts millions of individuals globally each year. The most important outcome for oral cancer patients is survival. However, the disease and its treatment often have a major impact on quality of life and functional status in patients with oral cancer. Quality of Life (QoL), Health-Related Quality of Life (HRQoL) and Oral Health-Related Quality of Life (OHRQoL) are critical concepts in understanding the overall well-being of individuals diagnosed with oral cancer. For oral cancer patients, QoL assessments have become increasingly important...