Therefore, these bacteria form yellow colonies on XLD agar, but Salmonella spp. can decarboxylate lysin, which increases the pH and the colonies remain red. Furthermore, Salmonella spp. produce hydrogen sulfide (H 2 S) from thiosulfate, which results in a black precipitate with ferric salts.
Wisdom tooth extraction is performed with local anesthesia, IV sedation, inhalation sedation, or general anesthesia. In the US, the average cost of wisdom tooth extraction is $400 â $600. The average cost of a wisdom tooth extraction in Mexico is $150 â $250.
The tooth extraction cost can fall between $75 and $200 per tooth depending on anesthesia, as reported by Angie's List, and if impacted, the costs are significantly higher. Impacted teeth are considered a surgical extraction and general anesthesia will be needed, adding up to $800 to the total cost of treatment. Costs can vary by region, as well. For example, in the Northeast, having four impacted wisdom teeth extracted under general anesthesia can cost up to $4000.