Each of the Following Contributes to the Breakdown of Teeth

question 4

Multiple Choice

Each of the following contributes to the breakdown of teeth after radiation therapy to the head and neck except:

• A) Direct effects of radiation therapy on the enamel
• B) Lack of minerals available from the saliva,resulting in decreased remineralization
• C) Increased acidity of the mouth
• D) Poor oral hygiene

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Definitions:

Heritability

A statistic used in genetics to estimate the degree to which variation in a trait within a population is due to genetic differences among individuals.

Personal History

An individual's past experiences and events that have shaped their personality, beliefs, and behavior.

Dizygotic Twins

Also known as fraternal twins, are siblings born at the same time as a result of two separate eggs being fertilized by two different sperm, sharing about 50% of their DNA.

Fertilized Egg

A cell formed by the union of a male sperm and a female ovum, marking the beginning of embryonic development.