Evaluation of the Maintenance of the Apical Limit during Instrumentation with Hybrid Equipment in Rotary and Reciprocating Modes

Vasconcelos, Bruno Carvalho de; Frota, Luciana Maria Arcanjo; Souza, Tamara de Abreu; Bernardes, Ricardo Affonso; Duarte, Marco Antônio Húngaro

doi:10.1016/j.joen.2014.11.029

Cited by 17 publications

(23 citation statements)

References 18 publications

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“…The methodological procedures performed in the present study do not differ from previous researches (4,6,7,14,17). However, special attention was given to standardization of the specimens and the used preparation levels.…”

Section: Discussionmentioning

confidence: 72%

“…Precisely determining root canal length is one of the key steps leading to successful outcomes and treatment safety (1)(2)(3). Studies have shown that electronic foramen locators (EFLs) are extremely effective, reaching success rates greater than 80% ex vivo (4)(5)(6)(7) or in vivo (2,(8)(9)(10)(11)(12).…”

Section: Introductionmentioning

confidence: 99%

“…This arrangement has increased use because of its simplicity, improved workflow and reliability (1)(2)(3)7,18). One such device is Root ZX II (J. Morita, Tokyo, Japan), which associates 2 modules that allow the integration of an EFL with an electric motor for mechanical preparation (1)(2)(3)7,18). Another possibility is to integrate an EFL and a low-speed MPAS-10R contra-angle (NSK, Tokyo, Japan) into a single unit, further simplifying the equipment.…”

Section: Introductionmentioning

confidence: 99%

“…The main benefits to extend preparation up to the AF include reducing the risks of apical deviations and eliminating bacterial contamination possibly located in the last 1.0 mm of the root canal (16,21,22). However, the use of the hybrid devices limited to positions short of the AF may compromise the accuracy and reliability of the EFLs (7,9,17).…”

Section: Introductionmentioning

confidence: 99%

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Efficacy of Electronic Foramen Locators in Controlling Root Canal Working Length during Rotary Instrumentation

et al. 2015

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The present study evaluated the efficacy of electronic foramen locators (EFLs) to control root canal working length during rotary instrumentation and to assess possible reliability variations of different working lengths. Forty-eight human mandibular bicuspids were randomly divided in 2 groups according to the used device, Root ZX II (RZX) and Propex II (PRO). They were further subdivided in 2 subgroups according to the root canal preparation level (0.0 and -1.0). Preparation was performed with the Protaper rotary system using a crown-down technique. RZX was employed on its automatic auto-reverse mode (AAR) and PRO was used with the MPAS-10R contra-angle to monitor the preparation. The last used file (F3) was fixed, and the apical portion of the teeth was worn buccolingually, allowing to measure the extent between the file tip and the apical foramen (AF). The precision values of 0.0 mm and -1.0 mm were 100% and 0.0% for RZX, and 100% and 66.7% for PRO, respectively, with a range of ±0.5 mm. Statistical analysis showed no differences between the groups at 0.0 mm. However, at -1.0 mm, RZX showed the poorest results (0.96±0.11 mm), followed by PRO (0.43±0.23 mm). The difference between RZX and PRO was statistically significant. The EFLs were precise in maintaining the working length during rotary preparation when reaching the AF, but when their penetration was limited, both devices showed decreased precision; the RZX AAR failed in all instances.

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Section: Discussionmentioning

confidence: 72%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Efficacy of Electronic Foramen Locators in Controlling Root Canal Working Length during Rotary Instrumentation

et al. 2015

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“…Previous studies have shown that endodontic obturation should extend up to a region involving the 2 mm closest to the radiographic apex (RICUCCI, 1998;WU et al, 2000;VASCONCELOS et al, 2015). This would ensure canal patency throughout its length, which would avoid the taper-lock effect and allow the instruments and irrigation substances to reach the apical region (BERUTTI et al, 2009;BERUTTI et al, 2012).…”

Section: Acknowledgmentsmentioning

confidence: 99%

Efficacy evaluation, through micro-CT, of reciprocating and rotary instruments followed by supplementary irrigant-agitation procedures in the retreatment of curved root canals

Fruchi¹

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Efficacy evaluation, through micro-CT, of reciprocating and rotary instruments followed by supplementary irrigant-agitation procedures in the retreatment of curved root canals Avaliação, por meio da micro-CT, da eficácia de instrumentos reciprocantes e rotatórios seguidos por procedimentos suplementares de agitação de irrigantes no retratamento de canais radiculares curvos BAURU 2018 Lincoln de Campos Fruchi Efficacy evaluation, through micro-CT, of reciprocating and rotary instruments followed by supplementary irrigant-agitation procedures in the retreatment of curved root canals Avaliação, por meio da micro-CT, da eficácia de instrumentos reciprocantes e rotatórios seguidos por procedimentos suplementares de agitação de irrigantes no retratamento de canais radiculares curvos

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An ex vivo comparison of working length determination by three electronic root canal length measurement devices integrated into endodontic rotary motors

Ali¹,

Wigler²,

Lin³

et al. 2016

Clin Oral Invest

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Evaluation of the Maintenance of the Apical Limit during Instrumentation with Hybrid Equipment in Rotary and Reciprocating Modes

Cited by 17 publications

References 18 publications

Efficacy of Electronic Foramen Locators in Controlling Root Canal Working Length during Rotary Instrumentation

Efficacy of Electronic Foramen Locators in Controlling Root Canal Working Length during Rotary Instrumentation

Efficacy evaluation, through micro-CT, of reciprocating and rotary instruments followed by supplementary irrigant-agitation procedures in the retreatment of curved root canals

An ex vivo comparison of working length determination by three electronic root canal length measurement devices integrated into endodontic rotary motors

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