Reciproc and Reciproc Blue in the removal of bioceramic and resin-based sealers in retreatment procedures

Romeiro, Kaline; Almeida, Andressa de; Cassimiro, Marcely; Gominho, Luciana Ferraz; Dantas, Eugênia Lívia de Andrade; Chagas, Nayane; Velozo, Christianne; Freire, Laila Gonzales; Albuquerque, Diana Santana de

doi:10.1007/s00784-019-02956-3

Cited by 57 publications

(119 citation statements)

References 58 publications

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“…The studies concluded that there is no significant difference between different files used in retreatment regarding the volume of remaining filling material measured. However, in the present study the R-Endo and M-Two R files have been more efficient in retreatment than the Protaper D files (36,37). In this study no instruments were separated during the retreatment procedure.…”

Section: A D Jcontrasting

confidence: 52%

Efficacy of Three Different Retreatment File Systems for Gutta-Percha Removal Using Cone Beam Computed Tomography

Aly¹,

Abdallah

Backly

2020

Alexandria Dental Journal

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Section: A D Jcontrasting

confidence: 52%

Efficacy of Three Different Retreatment File Systems for Gutta-Percha Removal Using Cone Beam Computed Tomography

Aly¹,

Abdallah

Backly

2020

Alexandria Dental Journal

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“…Many recent investigations performed with micro-CT technique but different NiTi instruments confirmed that the different retreatment technique is not able to completely remove debris of filling materials [ 8 , 17 , 18 ]. The results of the present study are in the same directions of previous investigations made with micro-CT and other methods on different NiTi instruments [ 10 , 19 , 35 , 36 ].…”

Section: Discussionmentioning

confidence: 99%

“…New single-file reciprocating NiTi instruments have been introduced for root canal treatment [ 6 ] and some attempt to use them for re-treatments has been proposed in vitro [ 7 ]. The mechanical properties of Reciproc Blue (RB) suggest a possible use in secondary root canal treatments [ 8 ]. Fatigue tests demonstrated that the improving mechanical properties of NiTi instruments are consistent, suggesting their use for secondary root canal treatments [ 9 ].…”

Section: Introductionmentioning

confidence: 99%

Secondary Root Canal Treatment with Reciproc Blue and K-File: Radiographic and ESEM-EDX Analysis of Dentin and Root Canal Filling Remnants

Prati

Zamparini

Spinelli

et al. 2020

JCM

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Secondary root canal treatment requires the complete removal of filling materials with different chemical-physical properties. A newly developed single-use NiTi instrument (Reciproc Blue, RB) may be more effective in root canal retreatment. The aim of the present study was to evaluate morphology and composition of remnants after retreatment with RB compared to traditional K-File technique, in canals obturated with Thermafil/AH Plus. Twenty-four single-rooted human teeth were shaped with NiTi obturated with AH-Plus/Thermafil and retreated using RB NiTi instruments or manual K-Files. Radiographs were taken to evaluate endodontic space and radiopacity of residual filling-material before/after procedures. After retreatment, samples were longitudinally split and observed by environmental scanning electron microscopy connected to energy dispersive X-Ray spectroscopy (ESEM-EDX) to analyze the debris/remnant position, microchemistry, and dentinal surface morphology. Time for retreatments was recorded and compared using one-way ANOVA (p-value = 0.05). Radiopaque filling residuals were found in both groups. RB system resulted statistically faster than manual K-File in retreatment procedure (p < 0.001). Root canal space radiographic appearance obtained after retreatment with RB was wider than K-File (p < 0.05). ESEM-EDX revealed 4 different morphological dentin area. Area-1: debris-free with typical Ca, P, and N composition of dentin and detected in 70% of the surface. Area-2: presence of deproteinized smear layer free from N and debris in 15% of the surface. Area-3: a thick packed smear layer N-free and with fine debris consisting of trace elements from sealer in 10% of the surface. Area-4: packed with debris and trace elements. No difference was observed between both instruments regarding root canal space appearance and ESEM-EDX analysis. Both systems were able to remove filling material but created a dentine morphology composed of packed debris and filling materials embedded into the smear layer. Dentin surface composition resulted in collagen depleted by irrigation procedures. The reciprocating system required less time to complete retreatment.

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“…During the removal of the filling material from the canal, the instrument used must have good mechanical properties, since it undergoes great fatigue during this stage, in order to avoid accidents occurring, making it difficult to clean the root canal (1,7). In cases of curved canals, in addition to the difficult removal of the filling material, the instrument suffers further stress due to cyclic fatigue leading to an increased risk of fracture (1).…”

Section: Introductionmentioning

confidence: 99%

“…Several instruments with new technologies were developed with the aim of making the mechanized instruments efficient in the removal of filling material and safe in curvatures (1,6,8). It was proposed the use of reciprocating instruments which have been reported to present greater resistance to cyclic fatigue (6)(7)9).…”

Section: Introductionmentioning

confidence: 99%

Analysis of the quality of root canal preparation and retreatment using different instruments associated or not with different irrigant agitation protocols

Duque¹

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Ao meu orientador, Prof. Dr. Clovis Monteiro Bramante, pelo exemplo de dedicação, doação e amor a esta nobre profissão. Obrigado pela orientação segura e criteriosa na elaboração deste trabalho e também por todos os ensinamentos transmitidos durante este período de convivência. Foi uma honra ser orientado do senhor. Minha sincera gratidão! Ao Prof. Dr. Marco Antonio Hungaro Duarte, exemplo de ser humano e profissional. Seus ensinamentos, incentivo e dedicação à profissão foram essenciais para mim durante toda a pós-graduação. Obrigado pela amizade, confiança e oportunidades a mim cedidas. Serei eternamente grato! Ao Prof. Dr. Rodrigo Ricci Vivan pela amizade, ensinamentos e oportunidades que me concedeu. Por ser um exemplo de como podemos chegar a qualquer lugar se nos esforçarmos e dedicarmos. Serei eternamente grato! Ao prof. Ivaldo Gomes de Moraes (in memorian) pelos ensinamentos científicos, mas, principalmente, por permitir eu ter o privilégio de conviver e aprender sobre a vida e como ser um homem de verdade! O senhor sempre será um exemplo de ser humano para mim. Saudades!

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Reciproc and Reciproc Blue in the removal of bioceramic and resin-based sealers in retreatment procedures

Cited by 57 publications

References 58 publications

Efficacy of Three Different Retreatment File Systems for Gutta-Percha Removal Using Cone Beam Computed Tomography

Efficacy of Three Different Retreatment File Systems for Gutta-Percha Removal Using Cone Beam Computed Tomography

Secondary Root Canal Treatment with Reciproc Blue and K-File: Radiographic and ESEM-EDX Analysis of Dentin and Root Canal Filling Remnants

Analysis of the quality of root canal preparation and retreatment using different instruments associated or not with different irrigant agitation protocols

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