Final answer:
Hydrogen peroxide is the surface disinfectant suitable for use in a dental office among the given options, due to its broad-spectrum efficacy against various microorganisms and its availability as a 3% solution for surface disinfection.
Step-by-step explanation:
The surface disinfectant appropriate for use in a dental office from the options provided is hydrogen peroxide. Hydrogen peroxide is a widely used disinfectant that holds broad-spectrum efficacy against viruses, bacteria, yeasts, and bacterial spores. It is available as a 3% by volume solution for disinfecting various surfaces, including surgical tools, and can also be utilized as vapor for room sterilization. While soap and water can clean surfaces, they are not classified as disinfectants, and neither is normal saline or vinegar for the use in a clinical setting. In the context of preventing infection on tissues, the appropriate choice is an antiseptic like povidone-iodine, which is commonly used in medical settings before incisions.