Association Analysis of TP53 Mutations in Codon R175 And G245 With Histopathological Grading Outcomes in OSCC Patients Astari Puteri1,2, Gwenny Ichsan Prabowo3, Marjono D. Wibowo4, Willy Sandhika5, Retno Handajani3* Abstract Oral squamous cell carcinoma (OSCC) is a malignant tumor lesion in the oral cavity area with less than 50% five-year