introduction: one of the most common problems we confront in orthodontic therapy is periodontal diseases. initial factor which causes these diseases is colonization of anaerobic microorganisms in subgingival plaque. technically, local environmental changes related to orthodontic band and brackets may influence the bacterial species in periodontal plaque. however, it seems necessary to assess va...

background and aims. the aim of this study was to evaluate the effect of right/left handedness on the ability of patients to remove dental plaque in various quadrants of the mouth. materials and methods. this double-blind cross-sectional study was conducted in two phases with a two-week time interval, on 40 subjects. during the two visits, the subjects were requested to brush their teeth for 3 ...

the aim of the present study was to examine the periodontal condition of an adult population in three isolated regions in greece and to determine the association of periodontal disease with several demographic, behavioral and environmental factors.the study population consisted of 640 individuals, aged 20 to 69 years from three isolated regions. the following indices were assessed: pocket depth...

anthracosis is black pigment discoloration of bronchi which can cause bronchial destruction and deformity (anthracofibrosis). a prospective, case-control study was performed to evaluate potential underlying causes of anthracosis on 190 subjects who referred for various indications.  age of patients ranged from 10-85 yrs. 46% of male patients were farmers and 27% were manual workers, whereas 91%...

Atherosclerosis is the development of lipid-laden plaques in arteries and is nowadays considered as an inflammatory disease. It has been shown that high doses of ionizing radiation, as used in radiotherapy, can increase the risk of development or progression of atherosclerosis. To elucidate the effects of radiation on atherosclerosis, we propose a mathematical model to describe radiation-promot...

A 62-year-old man was admitted after recurrent transient left-sided weakness and sensory loss. Ultrasound (US) examination revealed a 70% narrowing of the right proximal internal carotid artery (ICA). Contrast-enhanced US suggested plaque neovascularization (figure, A). Carotid endarterectomy of the right ICA was performed. Immunohistochemistry of the specimen showed, corresponding to the US fi...

Eruption gingivitis is an inflammation that occurs when the teeth erupt which often associated with difficulty in tooth eruption and will subside after emerge oral cavity. The purpose of this study was to determine process du-ring children. inflammatory ofgingiva show a change color gingiva such as be-coming red, swelling gingiva, distinctive surface texture. gingivitisassociated primary perman...

Cell death is an important aspect of atherosclerotic plaque development. Insufficient efferocytosis cells by phagocytic macrophages leads to the buildup a necrotic core that impacts stability plaque. Furthermore, in presence calcium and phosphate, apoptotic bodies resulting from can act as nucleation sites for formation phosphate crystals, mostly form hydroxyapatite, which calcification plaque,...