Insurance Carriers Have Seen a Reduction in the Use of Dental

question 6

Multiple Choice

Insurance carriers have seen a reduction in the use of dental amalgam for posterior restorations by approximately 40% in the past 15 years, probably because:

• A) other direct restorative materials have superior durability, ease of handling, and physical characteristics
• B) its wear resistance and compressive strength are inferior to composite resin and glass ionomer cement
• C) a study conducted by the National Institutes of Health (NIH) in 1991-1993 concluded that amalgam is not safe for human use
• D) concerns by patients about its safety and its lack of esthetics have prompted many patients to request tooth-colored materials

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Definitions:

Cocaine

A powerful stimulant drug derived from the leaves of the coca plant, often used recreationally and known for its abuse potential.

Alcohol

A psychoactive substance found in drinks such as beer, wine, and spirits, capable of altering mood and behavior.

Heroin

An opioid drug made from morphine, a natural substance taken from the seed pod of the various opium poppy plants, known for its addictive properties and illegal status in many countries.

Depressants

A category of drugs that reduce the functioning of the nervous system, often prescribed to relieve anxiety, induce sleep, or manage seizures.