What is the primary instrument used for creating endodontic access cavity during endodontic procedures?
AK-File
BK-reamer
CGates glidden drill
DRound bur
Which of the following is the best in-vivo screening choice for carotid artery stenosis?
ADigital Subtraction Angiography (DSA)
BCT
CMRI
DUSG
What is the name of the nerve block technique shown in the image?
AIntra-arterial anesthesia
BBier's block
CRegional anesthesia
DAxillary block
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