
The Kerr LightSpeed LSX rotary endodontic instrument system is 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 preserving root structure in the coronal and mid-root regions. Each 25 mm size 140 file is made of nickel titanium and features clearly marked length rings at 19, 22, 24, and 25 mm, and is supplied in a package of 6.
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The Kerr LightSpeed LSX rotary endodontic instrument system is 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 preserving root structure in the coronal and mid-root regions. Each 25 mm size 140 file is made of nickel titanium and features clearly marked length rings at 19, 22, 24, and 25 mm, and is supplied in a package of 6.
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