LASR Reamer DrillDSI Sinus Reamer is a special drill made for lateral wall perforation. The main advantage of this drill is that it is not sharp on the top, and will not damage the sinus membrane. That is why, the drill should be used at an angle, using reciprocation movements, and not as a regular straightforward cutting. Using this drill not only does not damage the membrane but also gives you more working space, thanks to the angle approach. The sinus reamer can be