The ornamental design for a holder for digitaldentalx-ray sensor, as shown and described.
FIG. 1 is a front perspective view of a holder for digital dental x-ray sensor showing our new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a side elevational view thereof;
FIG. 6 is another side elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken lines in the drawings are included for the purpose of illustrating portions of the holder for digital x-ray sensor that form no part of the claimed design.