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What is a primary characteristic of titanium used in dental implants?

  1. Colored for aesthetic purposes

  2. Corrosion-resistant and bio-compatible

  3. Heavier than most metals

  4. Easy to mold and shape

The correct answer is: Corrosion-resistant and bio-compatible

Titanium's primary characteristic that makes it ideal for dental implants is its corrosion resistance and biocompatibility. This means that titanium does not react adversely with the human body and can withstand the moist, acidic environment of the mouth without degrading over time. Biocompatibility is crucial because it allows for the integration of the implant with the surrounding bone and soft tissue, promoting stability and reducing the risk of rejection. The ability of titanium to form a strong bond with bone tissue, a process known as osseointegration, is a key factor in the success of dental implants, enhancing their longevity and functionality. While other metals may be used in dental applications, titanium’s unique combination of properties makes it the preferred choice for implantology.