Admission Test for Dental Hygiene (ATDH) Practice

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What distinguishes type I dentin hypersensitivity from type II?

  1. Type I is lifelong; Type II is temporary

  2. Type I is reversible; Type II is chronic

  3. Type I occurs with food; Type II occurs with temperature

  4. Type I requires surgery; Type II does not

The correct answer is: Type I is reversible; Type II is chronic

Type I dentin hypersensitivity is characterized as reversible, meaning that the sensitivity can be alleviated by appropriate treatment or by eliminating the stimulus that triggers it. This often results from transient factors such as enamel erosion, exposure of dentin, or temporary irritation. In contrast, type II dentin hypersensitivity tends to be chronic. It often indicates an underlying condition or ongoing irritation that leads to persistent sensitivity over time, which may not be easily alleviated without more intensive treatment. This distinction helps dental professionals tailor their approach to managing patients' sensitivity based on the type and duration of symptoms present. Understanding these differences is crucial for appropriate diagnosis and treatment planning in dental hygiene practice.

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