… Sialolithiasis is a relatively frequent occurrence; however, cases of sialolithiasis
originating around a "foreign body" nidus are rare. We describe a patient with
submandibular sialolithiasis organized around a vegetal nidus and discuss the etiology of
the case. … Traditional theories suggest that the formation of sialolithiasis proceeds in 2
phases: a central core and a layered periphery. The central core is …