Open Daily: 10am - 10pm | Alley door pickup 10am - 7pm 3038 Hennepin Ave Minneapolis, MN
612-822-4611

  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Working Length Demystified

Working Length Demystified

Kumar, Tarun
Mittal, Sunandan
Singla, Keshav

Paperback

Medical Reference

ISBN10: 6630116577
ISBN13: 9786630116571
Publisher: LAP Lambert Academic Publishing
Published: Sep 15 2026
Pages: 156
Weight: 0.48
Height: 0.36 Width: 6.00 Depth: 9.00
Language: English
Working length is the distance from a reproducible coronal reference point to the point at which canal preparation and obturation should terminate. Accurate determination of working length is essential for maintaining the apical anatomy, achieving adequate chemomechanical debridement, and preventing over-instrumentation or inadequate cleaning. Although the apical constriction has traditionally been considered the ideal endpoint, its anatomical variability necessitates a combination of electronic, radiographic, and clinical methods for reliable determination. Modern electronic apex locators have improved accuracy and reduced dependence on radiographic interpretation, while an understanding of apical anatomy and biological principles remains fundamental to appropriate working-length determination.

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