Dental brush
FIG. 1 is a perspective view of a dental brush showing my new design; 
     FIG. 2 is a left side elevational view, the opposite side being a mirror image thereof; 
     FIG. 3 is a bottom plan view thereof; 
     FIG. 4 is a top plan view thereof; 
     FIG. 5 is a front end elevational view thereof; and 
     FIG. 6 is a rear end elevational view thereof. 
     The broken line showing of a hand is for illustrative purposes only and forms no part of the claimed design.