Dental materials ch 4

When one is working with dental materials, the most common work related health and safety hazards are

exposure to mercury, particulate matter, exposure to biological contaminants, and exposure to toxic effect of chemicals

The proper protective equipment to be worn during handling of dental materials that can generate particulate matter consists of

safety glasses, lab coat or clinic gown, and surgical or special dust mask

During the use of acrylic monomer in the lab, hazards include:
A. skin contact, inhalation of vapors, and fire
B. skin contact, particulate matter inhalation, and fire

A. skin contact, inhalation of vapors, and fire

Ways in which chemicals can enter the body include:

swallowing, inhaling, and through cuts in the skin

When leftover amalgam scrap is stored,
A. it should be stored in the xray fixer solution
B. it is to be kept in a dry closed container
C. it is to be kept under water in a tightly closed container

C. it is to be kept under water in a tightly closed container

Eyewash stations are

best used in an emergency if only the employee has had training in their use

What are the best ways to minimize exposure to chemical hazards in the dental office?

read the label, and store according to the manufacturers directions

What is flash point?

the lowest temp at which the vapor of a volatile substance will ignite with a flash; a low flash point means that a substance can catch fire easily

ignitable

a material or chemical that can erupt into fire easily

corrosive

usually an acid or strong base that can cause damage to skin, clothing, metals, and equipment

reactive

the reaction of opposing chemical substances that creates a different end product

material safety date sheet

printed product reports from the manufacturer containing important info about the chemicals, hazards, handling, cleanup, and special PPE related to a product

bio-aerosol

a cloud like mist containing droplets, tooth dust, materials dust, and bacteria of a particle size less than 5 microns in diameter

splatter

small particles that may contain blood, saliva, oral particulate matter, water and microbes