FIG. 1 is a perspective view of a periodontal scaling tip for ultrasonic dental handpiece showing our new design;

FIG. 2 is a top plan view thereof,

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation thereof;

FIG. 5 is a rear elevation thereof;

FIG. 6 is a right side elevation thereof;

FIG. 7 is a left side elevation thereof;

FIG. 8 is a perspective view of a modified embodiment of the design shown in FIGS. 1 through 7;

FIG. 9 is a top plan view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a front elevation thereof;

FIG. 12 is a rear elevation thereof;

FIG. 13 is a right side elevation thereof; and,

FIG. 14 is a left side elevation thereof.

The broken lines shown in the drawings represent environmental structures and are included for the purpose of illustration and form no part of the claimed design.