This paper describes the conversion of dental tools into wax engraving tools, how they are held and how they are used.
Here are the results of using the engraving and background tools. The project is created in blue carving wax.The channel through the center of the bear will be inlaid with stones once the wax is cast and finished.
The holes in the channel were drilled in order to aid in hollowing the bear.
The saw tooth design on the back of the bear was engraved by the line engraving tool. The boundary of the stone channel was engraved first, with the line engraving tool. The wax in the channel was then recessed with the background engraving tool.
Line inscribing tool
The basic dental tool used to engrave wax is called a “Woodson.” One end of the unmodified Woodson tool is shown at the top of the photograph.
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| ||The end is modified to look like the tool at the bottom of the photograph. This end of the tool will be used to inscribe the design into the wax. The dental tool is cut and ground as this photo indicates. |
|The tool may be modified with a silicone carbide-separating disc on a mandrill mounted in a flexible shaft driven hand piece. |
| ||The other end of the Woodson tool is modified to look like the tool in the bottom of the photograph. |
This tool will be used to engrave the line in the wax.
| ||The dental tool is cut and ground as this photo indicates. |
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| ||Care must be taken to grind the base of the triangle perpendicular to the shaft of the tool. |
If it is ground at an angle, the tool will have a tendency to track incorrectly when engraving a line.
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Background engraving tool
|Another Woodson tool is modified as shown. |
This tool will be used to scrape away the wax from the background of the design.
Holding the Tools
| ||The scraping tools are pressed against the palm of the hand by the little finger and ring finger.The tool is then held between the thumb and index finger. |
Once the tool is held this way, move the thumb back and forth along the axis of the tool.
| ||To engrave wax, the thumb is placed against the wax. Attempting to move the thumb will cause the tool to move back and forth. |
The thumb acts as a guide for the tool.
Use of the Tools
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