The role of several factors that have been suggested as being of etiologic importance in renovascular fibromuscular dysplasia was examined in a case-control study of 33 patients with angiographically demonstrated fibromuscular dysplasia and 61 renal transplant donor control subjects with normal renal arteries. The factors studied included use of oral contraceptive agents or markers of sex hormo...

Mesiodens is one of the commonest dental anomalies in children. It may be present primary or early mixed dentition. can also found permanent affects as well facial aesthetics. The reported prevalence mesiodens about 0.15% to 1.9%. etiologic factors causing malocclusion Therefore, dentists make parents aware possibilities and convince for treatment soon possible.

BACKGROUND Preservatives present in cosmetics and other industrial products can cause allergic contact dermatitis. The aim of the study was to assess the frequency of allergy to selected preservatives in consecutive patients examined due to contact dermatitis in the Nofer Institute of Occupational Medicine, Łódź, and to establish whether individuals sensitized to formaldehyde react simultaneous...

Ever since atrial fibrillation (AF) was first recognized in young people (so called "lone" AF) over 4 decades ago, there has been increasing focus on determining the underlying the pathophysiology of the condition. Although lone AF is presumed to be a highly heterogeneous disease, recent studies have identified novel risk factors such as inflammation, oxidative stress, endurance sports and gene...

OBJECTIVE To investigate the association of serum vitamin B(12), folic acid, iron, calcium, magnesium, and phosphorus levels as well as family history and cigarette smoking with recurrent aphthous stomatitis (RAS). METHODS Thirty-four patients with RAS and 32 control subjects were included in this controlled prospective screening study. Both groups received a questionnaire, and serum screenin...

PURPOSE This prospective study evaluated the profile of patients with dentoalveolar trauma assisted at the emergency room of the Oral and Maxillofacial Trauma and Surgery Service at the Hospital das Clínicas, São Paulo University Medical School (Brazil). METHODS A prospective study by a questionnaire applied during the first attendance of those patients, in a period of eight months. RESULTS...

Risk factors to prolonged fatigue syndromes (PFS) are controversial. Pre-morbid and/or current psychiatric disturbance, and/or disturbed cell-mediated immunity (CMI), have been proposed as etiologic factors. Self-report measures of fatigue and psychologic distress and three in vitro measures of CMI were collected from 124 twin pairs. Crosstwin-crosstrait correlations were estimated for the comp...