Which of the Following Statements Is True Regarding Types of Tooth

question 10

Multiple Choice

Which of the following statements is true regarding types of tooth stains?

• A) Intrinsic stains are on the tooth surface.
• B) All extrinsic stains can be removed by hand or ultrasonic scaling and coronal polishing.
• C) In general,yellow-brown discolorations are easier to bleach than blue-gray and black colors.
• D) Tetracycline derivatives such as minocycline will cause discoloration of teeth in children but not in adults.

---

Definitions:

Project Uncertainty

The degree of unpredictability in achieving the project outcomes due to unknown variables or factors that can affect the project's scope, schedule, cost, and quality.

Ordered System

A structured arrangement of components or processes according to a specific sequence or set of rules.

Technological Uncertainty

The uncertainty faced by a project relating to the feasibility, stability, or reliability of the technology being implemented or developed.

System Scope

The extent, range, or breadth of areas that a system will cover or operate within, often defining its limitations and capabilities.