Detail the primary purpose of ongoing surveillance protocols, including regular follow-up visits and imaging, for oral cancer survivors beyond initial treatment success.

The primary purpose of ongoing surveillance protocols for oral cancer survivors, including regular follow-up visits and imaging, beyond initial treatment success is fundamentally centered on the early detection of disease recurrence and the timely identification of new primary cancers, alongside the comprehensive management of long-term treatment-related complications. These protocols are crucial for optimizing a survivor's prognosis and quality of life.