Rotary dental brush
FIG. 1 is a side elevational view of a rotary dental brush showing my new design, the opposite side being a mirror image; 
     FIG. 2 is a front elevational view thereof; 
     FIG. 3 is a top plan view thereof; 
     FIG. 4 is a bottom plan view thereof; and, 
     FIG. 5 is a rear elevational view thereof.