**Core Concept**
The visual examination of tooth surfaces in diagnosing carious lesions involves assessing the external appearance of the teeth for signs of decay. This includes observing the color, texture, and shape of the tooth surface.

**Why the Correct Answer is Right**
The correct answer is not considered a visual examination because it does not directly involve observing the tooth surface. Visual examination typically involves the use of the naked eye or a low-magnification lens to assess the tooth surface. In contrast, the correct answer involves the use of a specialized tool to assess the tooth surface.

**Why Each Wrong Option is Incorrect**
* **Option B:** This option is not specified in the question.
* **Option C:** This option is not specified in the question.
* **Option D:** This option is not specified in the question.

**Clinical Pearl / High-Yield Fact**
In the visual examination of tooth surfaces, the "Visual-Tactile" method involves combining visual inspection with gentle probing of the tooth surface to assess for signs of decay.

**Correct Answer:** D.