Bought these in Dental hygiene school, used for a couple years clinically. Universal kit includes: cassette, one sided mirror, probe, 11/12 explorer, shepherds hook explorer, SYG156, SCNEVI19, SC6639, SN1379, SCNEVI29, SC4R/4L9, SC13/149, SM13/14S9, SC50947C, and S204SD9. A few anterior and posterior pieces - 14 total plus the cassette.
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