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Journal of Dentistry, Shiraz University of Medical Sciences، جلد ۱۷، شماره ۳، صفحات ۱۸۵-۰
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عنوان انگلیسی Evaluation of the Effect of Two Different Systemic Doses of Viola Odorata on Prevention of Induced Tongue Dysplasia in Rats
چکیده انگلیسی مقاله Statement of the Problem: Oral cancer is among the ten most common cancers worldwide. It affects the life quality of patients in many ways. Purpose : The aim of this study was to compare the effects of two different systemic doses of Viola Odorata syrup on the prevention of 4-Nitroquinoline-1-oxide (4-NQO) induced tongue dysplasia in rats. Materials and Method: Forty-eight male Wistar rats were divided into four groups of A, B, C and D. Group A served as the control group. The rats in groups B to D received 30 ppm of 4-NQO in drinking water for 12 weeks. Additionally, the rats in groups B and C received Viola Odorata syrup at doses of 15 and 5 ml/kg, respectively, 3 times a week. Body weights were measured three times a week. At the end, the rats were euthanized and the tongue was removed. Histological evaluations for carcinogenesis were carried out under a light microscope. Results: The mean body weight of the rats in groups B, C, and D were lower than that in group A ( p < 0.01). After 12 weeks of treatment, microscopically no histological changes of the tongue base epithelia were observed in the control group. The rats in group B did not show severe dysplastic changes; only mild to moderate histological changes including hyperplasia and hyperkeratosis were evident. These incidences were significantly more apparent in groups C with moderate to severe changes ( p < 0.05) and group D with severe dysplastic changes ( p < 0.01). Almost all rats in group D had hyperplasia and manifested all of the stages of dysplasia. Conclusion: Viola Odorata extract has dose-dependent inhibitory effects on the development of tongue induced dysplasia.
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نویسندگان مقاله ساناز حلی | sanaz helli
oral medicine specialist, tabriz university of medical sciences, tabriz, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (Tabriz university of medical sciences)

حسین دامغانی | hossein damghani
post-graduate student, dept. of oral pathology, school of dentistry, tabriz university of medical sciences, tabriz, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (Tabriz university of medical sciences)

داریوش مهاجری | daryoush mohajeri
dept. of pathobiology, tabriz branch, islamic azad university, tabriz, iran.

سازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (Islamic azad university science and research branch)

مهران مسگری عباسی | mehran mesgari abbasi
drug applied research center, tabriz university of medical sciences, tabriz iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (Tabriz university of medical sciences)

رعنا عطاران | rana attaran
dept. of oral and maxillofacial medicine, tabriz university of medical sciences, tabriz, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (Tabriz university of medical sciences)

مریم زاهد | maryam zahed
dept. of oral and maxillofacial medicine, dental disease research center, school of dentistry, shiraz university of medical sciences, shiraz, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (Shiraz university of medical sciences)

نشانی اینترنتی http://dentjods.sums.ac.ir/index.php/JDSUMS/article/view/1027
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