hazards in the workplace and measures to overcome them idham hafize supi fatimah che rahimi
TRANSCRIPT
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Hazards in The Workplace and
Measures to Overcome Them
Idham Hafize SupiFatimah Che Rahimi
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Introduction
Dental personnel and other dental staffs are always exposed to various numbers of occupational hazards in the course of performing their daily tasks and works.
Objectives:To know the types of hazards in the workplace
To understand the effect of hazards to dental personnel and staffs
To know the measures taken to overcome hazards in Faculty of Dentistry, USIM
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Occupational Hazards
Definition:
Occupational hazard = risk accepted as consequences of occupation that harm workers.
The management of hazards are based on
Laws of Malaysia: Occupational Safety and Health Act 1994.
Guidelines on Infection Control in Dental Practice
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Types of Hazards
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Biological Hazard
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Biological Hazards
Definition: biological substances that provide threats to the health of people.
associated with a significant risk of exposure to various microorganisms
Hepatitis virus, herpes simplex virus, HIV, mycobacterium tuberculosis, candida, Escherichia coli etc
Origin: Blood, saliva and respiratory secretions.
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Biological Hazards
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Biological Hazards: Effects
Bacterial diseases: tuberculosis, tetanus, food poisoning and blood poisoning
Fungal diseases: thrush
Viral diseases: mumps, hepatitis
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Biological Hazards: Measures
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Administrative• Ensuring appropriate preventive steps are taken
• All proper work procedure are recorded and documented
• Dental personnel are trained to use the proper procedure
• Compliance with all infection prevention and control practices
• Safe work procedures and education
• Complete history taking of patients
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Engineering
• proper design and maintenance of facilities
• room design
• effective biological waste containment
• proper disinfection of instruments
• decontamination of environment surfaces
• Immunization
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effective biological waste containment
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Personal Protective Equipment
(PPE)Protective clothing
Gloves
Eye protection
Respiratory protection
equipment to minimize the infection = rubber dam, high-speed evacuation
Patient’s protection = bib and protective eyewear
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Chemical Hazard
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Disinfectant
• Use for cleaning and disinfection. • quaternary ammonium salts
• iodophors• phenolic compounds• hydrogen peroxide.
• Side Effects• Eye, skin, and respiratory irritants• Toxic effects
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Methyl Metacrylate
Use for dental prosthesis.
Side effectEye, skin and mucous membrane irritant.
Symptoms- chest tightness, - dyspnea, - coughing, - Wheezing.
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Chemical Hazards: Measures
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Administrative
Educate workers in the nature of the hazard.
Ensure good hygiene practices.
Store products appropriately to decrease exposure.
Medical monitoring of workers.
Proper waste disposal.
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Proper storage waste product to prevent exposure
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Engineering
Substitution with less harmful product.
Maintain adequate general ventilation.
Local exhaust ventilation when removing old amalgams.
Enclosed mixing devices.
Labelling .
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Labelling
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Personal Protective Equipment
(PPE)
Protective clothing
Gloves
Eye protection
Respiratory protection.
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Improper Personal Protective Equipment
Proper Personal Protective Equipment
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Conclusions
Occupational health hazards are still prevailing in current dental profession.
It is very important to improve and increase the effort in promoting occupational safety and health to all healthcare professionals.
Faculty of Dentistry of USIM has followed all the precautions that should be taken to prevent and decrease the occupational hazards.
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References
http://humanservices.alberta.ca/documents/OHS-WSA-handbook-dental-workers.pdf
http://benthamscience.com/open/toohsj/articles/V003/57TOOHSJ.pdf
http://www.ncbi.nlm.nih.gov/pubmed/20730400
Laws of Malaysia: Occupational Safety and Health Act 1994.
Guidelines in Infection Control in Dental Practice