Which one of the following infectious conditions does not present with any oral manifestations?

Hepatitis B is primarily a viral infection that affects the liver and does not typically lead to oral manifestations. While chronic liver disease, which can result from hepatitis infections, may indirectly affect the oral cavity—such as through jaundice leading to a yellow tint in the tissues or potential bleeding problems—it does not present specific oral lesions or symptomatic changes that are characteristic of the condition itself.

In contrast, other listed conditions do exhibit notable oral manifestations. Herpes simplex can cause lesions in the oral cavity, commonly manifesting as cold sores or recurrent ulcers. Measles can lead to oral manifestations known as Koplik spots, which are small blue-white spots found on the buccal mucosa. Tuberculosis, while primarily known for its impact on the lungs, can also affect the oral cavity, presenting with lesions or ulcers in the mouth.

Therefore, the absence of significant oral manifestations in hepatitis B makes it the condition that does not typically present any signs within the oral cavity.