نتایج جستجو برای: oral submucous fibroses
تعداد نتایج: 252914 فیلتر نتایج به سال:
BACKGROUND Oral cancers can be preceded by clinically evident oral potentially malignant disorders (OPMDs). The current study evaluated the rate and the time of malignant transformation in the various OPMDs in a cohort of patients from southern Taiwan. Parameters possibly indicative for malignant transformation of OPMDs, such as epidemiological and etiological factors, and clinical and histopat...
Background and PurPose: The three most common causes of trismus are oral submucous fibrosis, orofacial gangrene in malnourished children and cancers of the head and neck. 2 Very often, they share the same triad: fibrosis of the soft tissue of the cheek, masticatory muscles and osseous overgrowth. In severe cases, this will eventually lead to severe pain, weight loss and poor oral hygiene. 4, 5
Back ground: On the Indian subcontinent, the use of smokeless tobacco in various forms is very popular. Oral submucous fibrosis is a chronic condition of the oral mucosa, which results in a marked rigidity with progressive inability to open the mouth and has an increased risk of undergoing carcinomatous changes about four to eight percent. Objectives: The objective of this study was to evaluate...
AIM To describe a novel neural network based oral precancer (oral submucous fibrosis; OSF) stage detection method. METHOD The wavelet coefficients of transmission electron microscopy images of collagen fibres from normal oral submucosa and OSF tissues were used to choose the feature vector which, in turn, was used to train the artificial neural network. RESULTS The trained network was able ...
Increased expression of inducible nitric oxide synthase (iNOS) has been found at the protein level in human oral epithelial dysplasias, but, a corresponding expression at the mRNA level has not been demonstrated. The purpose here was to assess the expression of iNOS mRNA and its correlation with the expression of the enzyme protein in human buccal premalignant epithelial lesions. Activities for...
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