What is the optimal storage medium for an avulsed tooth, with cold low-fat milk as an alternative?

What is the optimal storage medium for an avulsed tooth, with cold low-fat milk as an alternative?

• A. Hank's Balanced Salt Solution is the optimal storage medium for avulsed teeth
• B. Cold low-fat milk is an acceptable alternative
• C. Distilled water is a recommended long-term storage medium
• D. Dry gauze is suitable for storage

Answer: (B)

Preserving the cells on the root surface (periodontal ligament cells) after an avulsion is crucial for a favorable replantation outcome. The storage medium should be physiologically compatible, osmotically balanced, and provide nutrients to keep these cells viable during transport. Hank’s Balanced Salt Solution is regarded as the best option because it is designed to maintain cell viability with appropriate osmolality and ions. Cold low-fat milk is a practical alternative when a specialized solution isn’t available; it helps because milk has a relatively compatible osmolality, provides nutrients and proteins that aid cell protection, and its cold temperature slows down cellular degradation during transport. This makes it an acceptable choice in many real-world situations. Distilled water, by contrast, is not suitable for transport of an avulsed tooth over time because it is hypotonic relative to body fluids, which can cause cellular swelling and damage. Dry gauze isn’t a storage medium that preserves the cellular environment needed for viability. So, when HBSS isn’t available, cold low-fat milk serves as a good, accessible option to maintain PDL cell viability until replantation can occur, improving the chances of a successful outcome.

Preserving the cells on the root surface (periodontal ligament cells) after an avulsion is crucial for a favorable replantation outcome. The storage medium should be physiologically compatible, osmotically balanced, and provide nutrients to keep these cells viable during transport. Hank’s Balanced Salt Solution is regarded as the best option because it is designed to maintain cell viability with appropriate osmolality and ions. Cold low-fat milk is a practical alternative when a specialized solution isn’t available; it helps because milk has a relatively compatible osmolality, provides nutrients and proteins that aid cell protection, and its cold temperature slows down cellular degradation during transport. This makes it an acceptable choice in many real-world situations.

Distilled water, by contrast, is not suitable for transport of an avulsed tooth over time because it is hypotonic relative to body fluids, which can cause cellular swelling and damage. Dry gauze isn’t a storage medium that preserves the cellular environment needed for viability.

So, when HBSS isn’t available, cold low-fat milk serves as a good, accessible option to maintain PDL cell viability until replantation can occur, improving the chances of a successful outcome.