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Fig. 1 | BMC Oral Health

Fig. 1

From: Torsional resistance of three ProTaper rotary systems

Fig. 1

Scanning electron microscopic images of ProTaper Universal, ProTaper Gold, and ProTaper Next instruments after the torsional resistance testing revealing circular abrasion streaks and skewed dimples in the center of the fractured surfaces. a PTU-S1, b PTU-S2, c PTU-F1, d PTU-F2, e PTU-F3, f PTG-S1, g PTG-S2, h PTG-F1, i PTG-F2, j PTG-F3, k PTN-X1, l PTN-X2, and m PTN-X3. n and o show the fracture characteristics that occurred after the torsional resistance testing

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BMC Oral Health

ISSN: 1472-6831

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