Primary study · included by 2 reviews

Mechanical Properties of ProTaper Gold, EdgeTaper Platinum, Flex Gold and Pro-T Rotary Systems.

Alcalde 2020 (ref 29) · Alcalde Murilo, Duarte Marco Antonio Hungaro, Amoroso Silva Pablo Andrés, et al. · European endodontic journal · 2020

Included by

Non-Cochrane · intervention · 2026 · cited as Alcalde 2020 · Table 2; Study characteristics; reference list

Outcome this study informs	Pooled effect	Evidence	Certainty
Time to fracture (TTF), cyclic fatigue resistance Replica-like Ni-Ti endodontic files vs Original-brand Ni-Ti endodontic files	SMD -1.197 [-1.830, -0.564]	NR	GRADE not reported
Number of cycles to fracture (NCF), cyclic fatigue resistance Replica-like Ni-Ti endodontic files vs Original-brand Ni-Ti endodontic files	SMD -1.532 [-3.615, 0.550]	5 studies	GRADE not reported
Time to fracture (TTF), cyclic fatigue resistance Replica-like Ni-Ti endodontic files vs Original-brand Ni-Ti endodontic files	SMD -0.579 [-3.021, 1.862]	NR	GRADE not reported
Number of cycles to fracture (NCF), cyclic fatigue resistance Replica-like Ni-Ti endodontic files vs Original-brand Ni-Ti endodontic files	SMD -1.719 [-4.270, 0.833]	NR	GRADE not reported
Time to fracture (TTF), cyclic fatigue resistance Replica-like Ni-Ti endodontic files vs Original-brand Ni-Ti endodontic files	SMD -0.845 [-1.268, -0.423]	13 studies	GRADE not reported
Number of cycles to fracture (NCF), cyclic fatigue resistance Replica-like Ni-Ti endodontic files vs Original-brand Ni-Ti endodontic files	SMD -1.395 [-4.075, 1.286]	NR	GRADE not reported

Non-Cochrane · intervention · 2026 · cited as Alcalde 2020 · Table 1; References; Figure 2

Outcome this study informs	Pooled effect	Evidence	Certainty
Cyclic fatigue resistance (number of cycles to fracture) ProTaper Gold (PTG) rotary instruments vs EdgeTaper Platinum (ETP) rotary instruments	SMD -6.06 [-9.20, -2.93]	4 studies · 120 participants	Very low

2 including reviews in total.