نتایج جستجو برای: dental laboratories
تعداد نتایج: 199038 فیلتر نتایج به سال:
Coronavirus disease 2019 (Covid‐19), a novel human coronavirus (SARS‐CoV‐2) causing severe acute respiratory syndrome, was first reported in Wuhan, China at the end of 2019. SARS-CoV-2 is transmitted primarily between people through droplets. Direct contact with blood, oral fluids and other patient materials has been as another transmission route Covid-19. Dental impressions, trays, occlusal re...
Substances such as dental materials routinely used in procedures acrylate compounds, organic solvents, disinfectants can spread into air within the working environment and affect indoor quality (IAQ). This study aimed to identify hazards at laboratories measure physical parameters of IAQ particulate matter (PM), temperature humidity. Hazard Identification, Risk Assessment Control (HIRARC) analy...
dentistry has always benefited from photography as an adjunct tool in diagnosis treatment planning and presentations. the main reason for taking dental photographs is to provide documents and supplements for treatment. a photograph facilitates communication between dentists and laboratories. quality control will become more important to dental practice in near future and photographs can be used...
Background: The advent of Severe Acute Respiratory Syndrome Coronavirus 2 (so-called SARS-CoV-2) causing Coronavirus Disease 2019 (so-called COVID-19) occurred in Dec. 2019 in Wuhan, China. Having an inconceivable worldwide contagion, the outbreak was labeled a pandemic by the WHO. Dental services and related professions (including dentists, dental assistants, dental hygienists and the personne...
BACKGROUND In dental practical classes, the acoustic environment is characterized by high noise levels in relation to other teaching areas. The aims of this study were to measure noise levels produced during the different dental learning clinics, by equipments used in dental learning areas under different working conditions and by used and brand new handpieces under different working conditions...
Dental technicians are exposed to various dusts in working laboratories. This study was conducted to measure level of silica in the respirable dust generated from dental fixed prosthodontics manufacturing processes using Fourier Transform Infrared Spectroscopy (FTIR), and to compare their occurrence of respiratory symptoms with that of non-dental hospital workers (control group). Respirable dus...
Background and aims Methyl Methacrylate (MMA) which is known as a long, skin and eye irritant is the most common form of acrylic plastic used in dental laboratories. The aims of this study were to evaluate dental technicians, exposure to MMAand to assess their health with a focus on respiratory and dermal symptoms. Methods Exposure to MMA, total dust and health symptoms were investiga...
This study was carried out to assess the quality of impressions sent to dental laboratories in Jordan. A sample of 136 impressions and stone casts were examined for technical errors in 35 laboratories that construct fixed partial dentures. They were sorted into these categories: unusable, unsatisfactory, acceptable or satisfactory The type of impression material and tray, opposing arch impressi...
This report consolidates previous recommendations and adds new ones for infection control in dental settings. Recommendations are provided regarding 1) educating and protecting dental health-care personnel; 2) preventing transmission of bloodborne pathogens; 3) hand hygiene; 4) personal protective equipment; 5) contact dermatitis and latex hypersensitivity; 6) sterilization and disinfection of ...
backgrounds and objectives:today, one of the most important environmental issues is solid waste produced in dentistry that because of the presence of hazardous, toxic and pathogen agents has special importance. in this survey, solid waste produced in hamadan dentistry laboratories and practical dentist offices is studied.materials and methods: in this descriptive study, from 24 dentistry labora...
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