Tag: Dental
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Time to Change Your Toothbrush!
When the forces of commercial self-interest and of dental hygiene combine, how can it not lead to mistake-proofing? This toothbrush has colored bristles that become clear at the tips of the bristles through use. When it starts to look like the brush on the left, it is time to buy a new toothbrush. Planned obsolescence at…
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Dental X-Ray Positioning
This device holds the dental x-ray film. The hoop is a guide for positioning the x-ray machine so the dental technician aims correctly every time.