Detecting knowledge and behavioral approaches of all health care providers involved in the process biomedical waste sorting reduction exposing their weaknesses can facilitate planning more effective corrective methods. A total 757 participants (368 professional workers, 389 5th 6th grades students) received a questionnaire with 35 questions aimed at identifying attitudes behaviors regarding bot...

The liquid wastes produced during the processing of radioactive materials at the Savannah River Site were initially stored in large underground tanks constructed of carbon steel. These liquid wastes were generated from the Purex process (for producing plutonium) and the HM process (for producing tritium). The liquid wastes were designated as high-level wastes and lowlevel wastes. As the product...

Construction and Demolition (C&D) wastes contribute the highest percentage of wastes worldwide (75%). Furthermore, ceramic materials contribute the highest percentage of wastes within the C&D wastes (54%). The current option for disposal of ceramic wastes is landfill. This is due to unavailability of standards, avoidance of risk, lack of knowledge and experience in using ceramic wastes in const...

introduction: despite being the gold standard as well as a routine technique in endodontics, radiographic working length (wl) determination owns many drawbacks. electronic apex-locators (eals) are recommended to complement radiographies. the aim of this study was to evaluate the perceptions of iranian general dental practitioners (gdps) towards using radiography and eal. methods and materials: ...

background prevention or management of pain is an important objective in root canal treatment. post-endodontic pain has always been an important concern for patients and clinicians. informing patients regarding the possibility of postendodontic pain and drug administration for its management can improve their trust in dentists, raise their pain threshold and increase their tendency to seek furt...

abstract background/objective: this study was undertaken to address psychological health effects of dentists’ exposure to low ambient levels of mercury. methods: one hundred and six dentists and 94 general practitioners were randomly selected from clinics in shiraz city, iran. subjects were asked to complete the persian version of general health questionnaire. the data were analyzed using χ2 te...

Currently, much of our biodegradable wastes such as kitchen wastes, agricultural wastes & animal wastes are used to produce Biogas, a powerful greenhouse gas. Anaerobic digestion (AD) is a treatment that composts these wastes in the absence of oxygen, producing a biogas that can be used to generate Heat & Power. Producing renewable energy from our biodegradable wastes helps to tackle the energy...

Objectives: Manual skills form only a part of the capabilities required for a future dentist. Nevertheless, they are very important components that should be tested. The aim of this study is to investigate if a correlation exists between dental students’ grades in the preclinical courses and their clinical performance. Methods: Preclinical/clinical grades were collected for first, fourth, and f...