LOCAL ANAESTHESIA

📌 IMPORTANT QUESTION & ANSWER

Q1. Define nerve block.

Ans. It is a procedure in which the local anesthetic is deposited (injected) close to a nerve trunk. It blocks sensation from the region which receives the peripheral distribution of the nerve.

Q2. Define intra osseous injection.

Ans. Intra osseous injections are one which are used to obtain local anesthesia when conventional technique is failed, it consist of gaining access into the cancellous bone of the alveolus with a high speed engine using small round bur. A short 25 gauge needle is used to deposit the solution directly in the cancellous bone (some time interseptal bone is penetrated in children) about 0.5 ml of plain solution is injected.

Q3. Define jet injection.

Ans. It is a technique where in the solution is fixed into the soft tissues under hydrostatic pressure this is useful in painful injection like nasopalatine block and anterior palatine block.