Embodiments include an apparatus for use in the dental field including a cannula, the cannula including, a first hollow tubular branch, a second hollow tubular branch, a hollow tubular arcuate portion connecting the first hollow tubular branch and the second hollow tubular branch, a first hollow tubular member, a second hollow tubular member forming an elbowed portion, at least one first aperture formed on a relief feature of the first hollow tubular branch, at least one second aperture formed on the second hollow tubular member.
