Regarding avulsed tooth management, which storage medium is CONTRAINDICATED?

Milk
Hank's Balanced Salt Solution (HBSS)
Patient's own saliva
Fluoride solution

Show answer and explanation

Correct answer: D. Fluoride solution

Fluoride solution = CONTRAINDICATED — hyperosmotic and cytotoxic to PDL cells. Preferred media: 1) Replant immediately; 2) HBSS; 3) Milk (cold); 4) Saliva; 5) Saline. NEVER use water (lyses PDL cells) or fluoride.

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