نتایج جستجو برای: hearing protective devices

تعداد نتایج: 424940  

Journal: :The Medical journal of Malaysia 1993
S Z Maisarah H Said

A total of 524 industrial workers were studied. They consisted of 442 noise exposed and 82 non-noise exposed workers. The purpose was to compare the prevalence of sensori-neural hearing loss among the noise exposed and the non-noise exposed workers, to study their knowledge on the hazard of noise to hearing and the workers' attitude towards the hearing protection devices. The prevalence of sens...

Amit Jena Govind Shashirekha Satyajit Mohapatra

Aim: The purpose of this study was to compare the difference in the output intensity of Light Emitting Diode (LED) light cure (LC) devices with and without a protective sleeve and its clinical significance.  Materials and Methods: The output intensity of 152 LC units in dental offices across the state of Odisha were examined. The collection of related information included an average number of e...

2017
Jackie L. Clark Carmen Pustejovsky Sven Vanneste

Purpose: With the advent of Bluetooth technology, many of the assistive listening devices for hearing have become manufacturer specific, with little objective information about the performance provided. Method: Thirty native English-speaking adults (mean age 29.8) with normal hearing were tested pseudorandomly with two major hearing aid manufacturers’ proprietary Bluetooth connectivity devices ...

Journal: :Brazilian Research in Pediatric Dentistry and Integrated Clinic 2022

Since the dental treatment involves use of various instruments and machines, there is ample presence both distracting as well destructive noise, these are defined based on parameters. With an increase in safety measures incorporated into practices, such extra-oral suction devices respirators, has also been a corresponding rise noise levels usually present clinic. Previous clinical experiments t...

Journal: :International journal of occupational safety and ergonomics : JOSE 1999
A Mayer E Korhonen

The lack of scientific and technical knowledge in certain complex fields, together with schedule constraints, have lead to adopt in EN standards insufficiently validated tests, relying sometimes on an empirical approach. Thus, even personal protective equipment (PPE) with positive results in tests required by the standards can nevertheless prove to be unsatisfactory when used at work. Several r...

ژورنال: پژوهش در پزشکی 2005
محمدرضا فتح العلومی, , سید عباس صفوی نائینی, , علی فتاحی بافقی, ,

Background : Noise-induced hearing loss is among the most common cause of occupational-related hearing loss. Nowadays, noise-induced hearing loss is a disastrous event of industrial world that may influence all races, ethnics and age groups.  Methods : This cross sectional study was performed on 100 workers exposed to noisy environment (greater 85db) in Azmayesh factory. Having excluded all con...

Journal: :Korean Journal of Otorhinolaryngology-Head and Neck Surgery 2019

Journal: :Journal of occupational health 2005
Kripa Ram Haldiya Raman Sachdev Murli L Mathur Habibulla N Saiyed

Workers in the salt industry are exposed to direct sunlight, salt dust and contact with brine. To assess their awareness, attitude and practices related to occupational health problems, 205 salt workers were interviewed about health hazards and problems related to their working conditions, usage of protective measures and suggestions for their improvisation. The brine workers had a fair knowled...

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