The ornamental design for a dentalhygienefigurine, as shown and described.
FIG. 1 is a front view of the dental hygiene figurine.
FIG. 2 is a rear view of the dental hygiene figurine.
FIG. 3 is a left side view of the dental hygiene figurine.
FIG. 4 is a right side view of the dental hygiene figurine.
FIG. 5 is a top view of the dental hygiene figurine; and,
FIG. 6 is a bottom view of the dental hygiene figurine.
The broken lines in the drawings are included for the purposes of illustrating portions of the dental hygiene figurine that form no part of the claimed design.