id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
american_scientific_journal-6219	Javed, Anam ; Zahra, Gull e ; Qureshi, Asif Mahmood 	Epidemiology of Oral Cancer in Pakistan	2020	10	.pdf	application/pdf	4596	479	62	Volume 72, No 1, pp 118-127 120 Table 2: Other oncogenic factors of oral cancer Factors Oncogenic outcomes Reference(s) Environmental Factors Viral infections Induction of malignant tumors of oral squamous epithelium, leukoplakia and salivary gland carcinoma by many viral strains like EBV, HPV and Herpes 14, 39-43 Diet and nutrition Oral and pharyngeal cancers due to processed food items 31, 32 Bacterial infections Dialister, Peptostreptococcus, Filifactor, Peptococcus, Catonella and Parvimonas, Porphyromonas gingivalis and Fusobacterium nucleatum have been reported to induce oral malignancy 76, 77 Fungal infections Candida species because nodular leukoplakia may develop malignant tumors 44 Immunosuppressors Lip and oral cancers have been reported in HIV patients and chain smokers 45 Occupational risks Salivary glands, lip, posterior mouth, pharynx, and larynx cancers are caused by excessive solar radiation, sulfur dioxide, asbestos, pesticide exposures, and mist produced during rubber products production, exposure of metals via plumbing, from wood working in an automobile industry due to strong inorganic acids exposure and burning of fossil fuels 47, 49, 50 Dental problems Carelessness regarding dental care and overall poor oral hygiene may induce oral cancer 33, 48 Heavy metals exposure Chronic exposure may cause oral carcinogenesis 74, 75 Genetic Factors Dysregulation in gene expression pattern e.g., enzymatic malfunction of tobacco carcinogen metabolism may result in oral and upper aerodigestive track carcinomas 15, 51, 52 3. Introduction Globally, oral cancer is included in top ten most malignant issues.	cache/american_scientific_journal-6219.pdf	txt/american_scientific_journal-6219.txt