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The ornamental design for a dental prophylactic device, substantially as shown and described. |
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FIG. 1 is a perspective view of a dental prophylactic device, showing my new design;
FIG. 2 is a top plan view thereof, shown on a reduced scale;
FIG. 3 is a side elevational view thereof, shown on a reduced scale;
FIG. 4 is a bottom plan view thereof, shown on a reduced scale;
FIG. 5 is a front end elevational view thereof, shown on a reduced scale;
FIG. 6 is a rear end elevational view thereof, shown on a reduced scale.
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| D953745, | Aug 21 2018 | GOODWELL INC | Toothbrush head |
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