Skip to content

ProTaper Gold vs ZenFlex

Dentsply Sirona · Kerr Dental

TR

ProTaper Gold®

Dentsply Sirona

The Gold Standard

View protocol →

ZenFlex™

Kerr Dental

Controlled Memory Precision

View protocol →

Clinical Tip

Compare specifications above to choose the best system for your clinical case.

Specifications

Specifications comparison: ProTaper Gold vs ZenFlex
ProTaper GoldZenFlex
ManufacturerDentsply SironaKerr Dental
AlloyGold Heat-Treated NiTiHeat-Treated NiTi (Controlled Memory)
Heat TreatmentGold Heat-TreatedCM-Wire
MotionContinuous RotationContinuous Rotation
Files810
TaperVariable4%, 6%
Cross-sectionConvex triangular, Concave triangularTriangular
Speed300 RPM500 RPM
Torque1.5–5 Ncm1–3.5 Ncm
Use TypeReusable (limited)Single-use

Best For

ProTaper Gold

versatile multi-file sequencecomplex anatomygraduated shaping

ZenFlex

minimally invasive shapingcontrolled-memory flexibilitydual taper strategy (.04/.06)

Key Features

ProTaper Gold

Variable taper design with progressive engagement

ZenFlex

Violet oxide surface with 1mm flute diameter for minimally invasive shaping and excellent flexibility