statement of the problem: in the evolution of orthodontics, the changes in soft tissue, especially smile line attracts considerable attention. purpose: the present study was carried out to evaluate the correlation of the smile line with the vertical parameters of anterior part of face. materials and methods: forty-six iranian adults, aged between 18-25 years were selected. five quantitative and...

statement of the problem: the routine procedure for immobilization of free gingival graft (fgg) is suturing. due to the successful application of tissue adhesives their employment has also become the subject of interest. purpose: the aim of present clinical trial was to compare using epiglu (e.g) versus silk thread suturing in fgg. materials and methods: this study was a split mouth clinical tr...

lipomas are rare benign soft tissue mesenchymal neoplasms in the oral cavity, representing 1% of all benign oral tumors. fibrolipoma (fl), an uncommon, histological variant of the classic lipoma, mostly affects the buccal mucosa. very few cases of fl have been reported in the english literature. to the best of our knowledge a review of the english literature showed 33 cases of fl affecting the ...

in this study, physiological and morphological responses of five almond cultivars to drought stress were investigated under in vitro conditions. plantlets from five commercial almond cultivars (supernova’, ‘tuono’, ‘sahand’, ‘ferragnes ’ and ‘shahroud 21’] were established in ms medium containing 0.5 mg per liter bap and then subcultured  in ms proliferation medium containing 1 mg per liter bap...

background: alcoholic mothers who consume ethanol give birth to infants with high percentage of hepatic diseases. alcohol can cause cellular damage in different tissues, including liver. finding a drug which is effective and efficient in reducing ethanol misuse consequences during pregnancy can assist the decrease of harmful effects of this habit. objective: this research aims to study the effe...

scaffold design has pivotal role in tissue engineering. in the present study, we modified the surface of electrospun poly(caprolactone) (pcl) nanofibers to improve their compatibility with living medium and to show the potential application of pcl nanofibers as a artificial extracellular matrix using in tissue-engineering. pcl nanofibers were fabricated by electrospinning method. to graft gelat...

background: to find out different species of helminthes and blood/tissue pro-tozoan parasites of stray dogs and their potential role for transmission of zoonotic species to human in mashhad, khorasan razavi province, northeast iran, during 2008-2009. methods: totally, 100 stray dogs were selected among mashhad municipal collec-tion from different sites of the city. internal organs were examined...

traumatic brain injury (tbi) is a common reason of brain tissue loss as a result of tumors, accidents, and surgeries. renewal of the brain parenchyma is restricted by many reasons such as inimical substances produced as the result of trauma and also inflammatory responses. a strong cascade of inflammatory responses begins as a result of tbi which include recalling peripheral leukocytes into the...

background and aim: oral mucosal lesions have various prevalence rates among different populations. few studies have evaluated the frequency of oral mucosal lesions in iranian population. this study aimed to determine the frequency of oral mucosal lesions and the related factors.                        materials and methods: this descriptive study was conducted based on the data in the archives...

background nicotinamide (na), the active form of vitamin-b3, is hypothesized to have positive effects on the process of wound healing; it has anti-inflammatory, antioxidant, and immunomodulatory properties, as well as an epithelization inducing action. objectives in the present study, we aimed to determine the effects of topical administration of na on skin wounds, based on histomorphometrical ...