Dentinogenesis Imperfecta is a Rare,autosomal,dominantly Inherited Disease of the Teeth

question 23

Multiple Choice

Dentinogenesis imperfecta is a rare,autosomal,dominantly inherited disease of the teeth that occurs in about one in 8000 people Witkop 1957 .The teeth are somewhat brown in color,and the crowns wear down rapidly.Assume that a male with dentinogenesis imperfecta and no family history of the disease marries a woman with normal teeth.What is the probability that their first two children will have dentinogenesis imperfecta?

• A)1/4
• B)100%
• C)1/2
• D)3/4
• E)1/8

---

Definitions:

Distinct Stages

Separate and clearly differentiated phases within a process or life cycle.

Life Course

An approach in sociology and psychology that studies individuals and their trajectories through life, focusing on social, psychological, and biological aspects of life from birth to death.

Rehabilitation

Rehabilitation involves curing disabilities to the extent possible through medical and technological intervention; trying to improve the lives of the disabled by means of care, training, and education; and integrating the disabled into “normal” society.

Disabled

People who are incapable of performing within the range of “normal” human activity.