A register system of oral and maxillofacial malignant tumors based on a prospective, observational, real-world study in north Chinese population was absent.~The aim of the study is to construct a register system of oral and maxillofacial malignant tumors based on a prospective, observational, real-world study in Chinese population. The variables in the study include social informatics, etiology, and psychological and quality of life, coexistence disease, baseline clinicopathological data, postoperative complications, and long-term follow-up results.~By released annual analysis report, the epidemiological features and prognostic factors of oral and maxillofacial malignant tumors in north Chinese population can be identified.
The aim of the study is to construct a register system of oral and maxillofacial malignant tumors based on a prospective, observational, real-world study in north Chinese population.