Which statement best reflects the toxicity profile of ceramic implants as presented?

• A. They are highly toxic
• B. Their toxicity is unknown
• C. They are associated with low toxicity
• D. They are moderately toxic

Answer: (C)

Toxicity profile in dental implants refers to how much the material harms surrounding tissues over time. Ceramic implants, such as zirconia ceramics, are known for their high biocompatibility because they are chemically stable and inert in the body, which means they resist degradation and don’t release harmful ions. This results in minimal local or systemic toxicity, so they are best described as having a low toxicity profile.

In contrast, options suggesting high, unknown, or moderate toxicity don’t align with the established evidence showing that modern dental ceramics tend to be very well tolerated by tissues, with few adverse toxic effects.