The ornamental design for a dentaltool handle, as shown and described.
FIG. 1 is a top perspective view of a dental tool handle showing my new
design, with the twisted wire brush shown at each end in broken lines
being for illustrative purposes only and forming no part of the claimed
design;
FIG. 2 is a side elevational view thereof, the opposite side being a mirror
image;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof; and
FIG. 5 is an elevational view thereof, the opposite end being a mirror
image.