Differential diagnosis of oral vascular malformation associated with phlebolith: report of 2 cases - Melo, Gabriela Banacu de; Andrade, Nathalia Souza de; Santos, Leonardo Torres; Martins, Edmundo Duarte; Pinto Júnior, Décio dos Santos; Gallo, Camila de Barros (Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology, 2025)