In the recent decades, periodontal disease has been identified as a risk factor for pre-term deliveries. Hence, it is important to evaluate the awareness of health-care providers of the association between periodontal diseases and pre-term birth. A self-administered questionnaire was distributed to random samples representing general medical practitioners (GMPs), general dental practitioners (GDPs) and Gynecologists for this study. A knowledge score was calculated for correct answers to 11 survey questions related to oral health effects during pregnancy and compared among the three groups. In this study, 133 physicians, 135 dentists and 100 Gynecologists completed the questionnaire. More GDPs (67.4%) than GMPs (56.4%) and Gynecologists (63%) reported there was an association between periodontal disease and pre-term low birth weight. Efforts to increase this awareness may prove valuable in improving preventive care during pregnancy.
The detection of gas molecule is important for environmental monitoring, safety, health issues, chemical processing control, agriculture and medical applications. This is much important for mine workers. Recently, metal oxide gas sensors by nanostructures have stirred interest and have found their way in many applications due to their high sensitivity, material design compliances and high safety properties. It is indicated that nanoparticles formation on the film surfaces, grain sizes, gas types and operating temperatures have a severe effect on the chemisorption and physisorption process.
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