
The Kerr LightSpeed LSX instrumentation system is a nickel-titanium rotary endodontic file designed to create biologically optimal root canal preparations. Its unique spade-blade cutting action removes dentin only where needed, thoroughly cleaning the apical third while conserving root structure coronally and in the mid-root. This assorted pack contains six 21 mm files in ISO sizes 20-45, with clearly marked length rings at 19, 22, 24, and 25 mm.
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The Kerr LightSpeed LSX instrumentation system is a nickel-titanium rotary endodontic file designed to create biologically optimal root canal preparations. Its unique spade-blade cutting action removes dentin only where needed, thoroughly cleaning the apical third while conserving root structure coronally and in the mid-root. This assorted pack contains six 21 mm files in ISO sizes 20-45, with clearly marked length rings at 19, 22, 24, and 25 mm.
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