Forty percent of dental hygienists sharpen instruments every day or at least once week, and they favor a manual stone or guide when they do it, according to an RDH eVillage survey. The survey, which was completed by 421 RDH eVillage readers, opened up with a question about the frequency of sharpening instruments. Since the answers were anonymous, the question emphasized the word "really" in the question, "How often you really sharpen each of your instruments?"
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