Advanced Instrumentation for the General Practice Dental Hygienist
Course Number: 569
Course Contents
SN 135 and SN 137
Combination instruments: one end universal sickle, other end universal curette. SN 135 - posterior; SN 137 - anterior (Figure 50). Improves efficiency by reducing instrument changes. Similar combination designs exist from multiple manufacturers.
Figure 50. SN 135/137.
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