Each of the Following Is True of Formation of Teeth

question 19

Multiple Choice

Each of the following is true of formation of teeth except one. Which one is the exception?

• A) Teeth are composed of enamel, dentin, and cementum.
• B) Approximately 20% of enamel is organic material.
• C) Dentin lacks the osteoblasts and osteoclasts found in bone.
• D) Enamel and dentin do not contain blood vessels or nerves.

---

Definitions:

Anxiety and Defenses

Anxiety refers to a state of unease or apprehension, and defenses are psychological mechanisms that mitigate feelings of anxiety.

Limiting Nature

The inherent constraints or restrictions imposed by physical, psychological, or environmental factors that limit options or potential outcomes.

Patient's Choices

The preference or decisions made by a patient regarding their treatment options or healthcare, emphasizing autonomy and informed consent.

Degree of Change

The extent or magnitude of difference in a situation or condition before and after a specific intervention or over time.