Endodontics · single question
The best storage/transport medium for an avulsed permanent tooth (when reimplantation is delayed) is:
Show answer and explanation
Correct answer: B. Hank's Balanced Salt Solution
- A. Tap water is hypotonic and rapidly lyses PDL cells.
- B. Correct. Hank's solution best preserves PDL cell viability (milk or saliva are acceptable alternatives).
- C. Storing dry kills the PDL cells quickly.
- D. Mouthwash is cytotoxic to PDL cells.