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.
1 CostHelper readers without insurance report paying $185-$600 for these more complicated extractions, at an average cost of $334. 2  CostHelper readers with insurance report out-of-pocket expenses of $60-$885, for an average cost of $401. Tooth extractions may be performed by a dentist or a specialist known as an oral and maxillofacial surgeon. 2  Often the cost of pulling a tooth includes a follow-up office visit to check healing or remove sutures. 3  Normally a tooth is firmly encased in a bony socket and attached by a ligament.