نتایج جستجو برای: practical dentist wastes

تعداد نتایج: 247733  

2014
Glaucia Cristina Rodrigues Nascimento Marcela Baraúna Magno Giseon Heo David Normando

High-dimensional data hinder sample visualiza-tion and limit exploration of data 1. In these cases, we can make use of multivariate analysis techniques, such as Factor Analysis (FA) and/or Principal Component Analysis (PCA), to reduce a complex data set to one of lower dimensions so as to reveal any hidden features and simplify understanding. In order to render interpretation of FA and PCA easi...

Journal: :journal of dental research, dental clinics, dental prospects 0
maryam baharvand majid sedaghat monfared mina hamian resident of oral medicine elnaz jalali moghaddam fatemeh sadat hosseini kaveh alavi

background and aims. temporomandibular disorders (tmd) account for the most common orofacial pains rising from musculoskeletal origin. the aim of this study was to investigate the level of knowledge, attitudes and practice of dental practitioners regarding tmd in tehran, iran. materials and methods. a questionnaire, containing 29 questions on etiology, signs and symptoms, diagnosis and treatmen...

Journal: :international journal of occupational hygiene 0
maryam rabiei department of oral medicine, dental school, guilan university of medical sciences, rasht, iran. maryam shakiba department of epidemiology, shahid beheshti university of medical sciences, tehran, iran. habibolah dehgan-shahreza department of occupational health engineering, school of health, isfahan university of medical sciences , iran. mohamad talebzadeh department of oral medicine, dental school, guilan university of medical sciences, rasht, iran.

musculoskeletal disorders commonly experienced by dental professionals can affect their health and well-being. the main aim of this study was to determine the prevalence of musculoskeletal disorders among dentists in iran. a cross sectional study was carried out in rasht, northern iran. participants were dental workers who completed structured questionnaire on the topic of musculoskeletal disor...

1999
Beena Rani Goel

Recently I happened to overhear a patient seeking a second opinion from a dentist. His first dentist had asked for a CT scan for his son’s TMJ problem. He questioned whether CT scan was important for the treatment and also wanted to know the difference between a CT scan and CAT scan. As health providers if we do not know about these investigations, sometimes it may cause great embarassment. Thi...

Journal: :Environmental Health Perspectives 2000
E H Rau R J Alaimo P C Ashbrook S M Austin N Borenstein M R Evans H M French R W Gilpin J Hughes S J Hummel A P Jacobsohn C Y Lee S Merkle T Radzinski R Sloane K D Wagner L E Weaner

Several committees were established by the National Association of Physicians for the Environment to investigate and report on various topics at the National Leadership Conference on Biomedical Research and the Environment held at the 1--2 November 1999 at the National Institutes of Health in Bethesda, Maryland. This is the report of the Committee on Minimization and Management of Wastes from B...

2017
Vivian W. Y. Tam C. M. Tam John K. W. Chan William C. Y. Ng

Construction wastes have become the major source of solid wastes in Hong Kong. Thousands of tonnes of solid wastes are produced every year from construction and demolition activities. Increasing generation of these wastes has caused significant impacts on the environment and aroused growing public concerns. Therefore, the minimization of construction wastes has become a pressing issue. This pap...

Journal: :Detritus 2021

As the resource recovery from mixed waste streams are performed, new generated. Some of these does not fit well to existing management options, for example, they may hold a low heating value sustain combustion and have too high carbon content be accepted at non-hazardous landfills. Also various health pollution risks arise as practical handling issues due physical properties such wastes. One is...

Journal: :محیط زیست طبیعی 0
معصومه آریایی دانشجوی کارشناسی ارشد محیط زیست، دانشکده منابع طبیعی، دانشگاه تهران، ایران امیرحسین حمیدیان استادیار گروه محیط زیست، دانشکده منابع طبیعی، دانشگاه تهران، ایران

the management of hospital wastes is of high importance, because of their infectious and hazardous potential. this is a cross-sectional study based on questionnaire, interview, observation and meetings performed in major mashhad hospitals in 2009. weight and per capita waste production were determined. moreover, the status of production, separation, storage, collection, treatment, transportatio...

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