background: the present study was undertaken to estimate and compare the levels of plasma total cholesterol (tc), low density lipoprotein (ldl), high density lipoprotein (hdl), very low density lipoprotein (vldl) and triglycerides in patients with oral precancerous lesions/conditions, oral cancer and normal subjects. materials and methods: the study comprised of 60 patients with oral precancero...

background and aims. pemphigus is a chronic autoimmune and vesiculobollous disease that can affect skin and different mucous membrane surfaces. primary manifestations occur in oral cavity in almost 60% of cases. the purpose of the present study was to evaluate the epidemiology of pemphigus in tehran, iran in a 20-year period. materials and methods. a retrospective study was conducted on the rec...

background and aims. a correct diagnosis is the most important step in the treatment of oral lesions and each oral lesion has specific clinical features that provide clinical diagnosis; however, some of these features are common among different lesions. in these situations, biopsy and histopathological examination are indicated. the aim of this study was to evaluate the relationship between cli...

background and aims. helicobacter pylori is a microaerophilic gram-negative spiral organism. it is recognized as the etiologic factor for peptic ulcers, gastric adenocarcinoma and gastric lymphoma. recently, it has been isolated from dental plaque and the dorsum of the tongue. this study was designed to assess the association between h. pylori and oral lesions such as ulcerative/inflammatory le...

Many types of cancers develop in the oral and maxillofacial region. Squamous cell carcinoma is the most common cancer and constitutes over 90 percent of these tumors. Malignant transformation is a genetic process, which later makes a phenotyping change at the cellular level. Some cancers such as oral squamous cell carcinomas (OSCCs) develop from pre-malignant lesions and conditions. Despite adv...