BACKGROUND Retention of mouth-to-mouth, mouth-to-mask and mouth-to-face shield ventilation techniques is poorly understood. METHODS A prospective randomised clinical trial was undertaken in January 2004 in 70 candidates randomly assigned to training in mouth-to-mouth, mouth-to-mask or mouth-to-face shield ventilation. Each candidate was trained for 10 min, after which tidal volume, respirator...

statement of the problem burning mouth syndrome (bms) is a condition presented with burning sensation without any pathologic changes of oral mucosa. since there are no accurate diagnostic criteria and because symptoms are so variable the studies have shown different prevalence. limited studies have been performed to estimate prevalence, of bms in iran and worldwide. purpose this research was co...

esophageal melanocytosis is a rare and benign condition, characterized by melanocytic proliferation of the esophageal squamous epithelium with heavy melanin deposition. the etiology and pathogenesis has not been exactly known but it seems to be a chronic stimulus such as gastroesophageal reflux. this condition is very rare and about 35 cases have been reported so far, most of which have been fr...

conclusions we conclude that oral cancer is etiologically related to the interaction between smoking and drinking. results the smoking as well as alcohol drinking rates in the subjects of the case group were significantly higher than the controls. of smoking types, bidi (a hand rolled cigarette) (or = 4.1, 95% ci = 2.4-6.9), and among alcohol types, hard liquor (or = 2.6, 95% ci = 1. 4-6.4), cou...

The key to wealth is health but in present days cancer going exhaust mental, physical and economic conditions. Oral Cancer the 6 most common worldwide. Approximately 630,000 new patients diagnosed annually resulting more than 350,000 deaths every year. Squamous cell carcinoma by far important malignant mucosal neoplasm of head neck accounting for over 90% all malignancies. Histomorphological fe...

Background: Hirschsprung’s disease is a genetic disorder characterized by the absence of ganglion cells in different lengths intestine. It one common causes intestinal obstruction neonates.
 Materials and Methods: The study was carried out from January 2017 to 2020 Department Pathology Tertiary care hospital. biopsy specimens spastic segment colostomy or ileostomy sites were sent for evalu...

About a decade ago, carbohydrate mouth rinsing was shown to enhance endurance exercise performance. This improvement was more pronounced in a fasted compared to a fed state, suggesting that the ergogenic effect of carbohydrate mouth rinse is dependent on endogenous carbohydrate storage. Hence, indirectly highlights the potential use of carbohydrate mouth rinse as a potential strategy to mitigat...

word of mouth communications in marketing is one of the important informal communication tools between consumer of goods, service and organizations which is appointed with the researchers. the purpose of this study is to determine the relationship between locus of control with word of mouth communication between students of isfahan university. this is a survey study which it is samples were 243...