Following a PSA nerve block of tooth #2 it is determined that the palatal root is inadequately anesthetized. Discuss two possible causes and three possible solutions the clinician should consider
What will be an ideal response?
Two possible causes of inadequate anesthesia of the palatal root include the existence of potential accessory innervation by a branch of the greater palatine nerve, or that the anesthetic solution did not diffuse adequately to reach the palatal nerve. Administration of a GP nerve block to anesthetize the palatal root is often effective in this situation. PDL injections may also be effective. It has also been suggested by some that articaine allows more effective diffusion.
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