Effectiveness of gutta-percha and Resilon in filling lateral root canals using thermomechanical technique

Tanomaru‐Filho, Mário; Bosso, Roberta; Sant'Anna-Junior, Arnaldo; Berbert, Fábio Luiz Camargo Villela; Guerreiro-Tanomaru, Juliane Maria

doi:10.1590/s1807-25772013000100007

Cited by 2 publications

(2 citation statements)

References 32 publications

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“…Simulated lateral canals can be made in either resin teeth or blocks [23][24][25][26][27] or natural teeth 15,28 followed by radiographic analysis 29 . In the present study, simulated lateral canals were created in artificial resin teeth, as already described by TanomaruFilho et al…”

Section: Discussionmentioning

confidence: 99%

Radiographic evaluation of root canal cleaning, main and laterals, using different methods of final irrigation

Chávez-Andrade

Guerreiro-Tanomaru

Miano

et al. 2014

Rev. odontol. UNESP

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ResumoObjetivo: O objetivo deste estudo foi avaliar a eficácia da irrigação ultrassônica passiva (IUP), utilizando os fluxos intermitente ou contínuo, e da irrigação manual convencional (IMC) na limpeza de canais radiculares, principal e laterais simulados. Material e método: Os canais radiculares de 24 dentes artificiais foram preparados e os canais laterais foram confeccionados nos terços médio e apical. Os espécimes foram divididos em três grupos: G1-IMC, G2-IUP 1 (fluxo intermitente) e G3-IUP 2 (fluxo contínuo). Os canais radiculares foram preenchidos com uma solução de contraste e as raízes foram radiografadas antes e após a irrigação. As imagens digitais foram importadas para o programa Image Tool 3.0 e as áreas do canal totalmente preenchidas com o contraste, e após a irrigação, com remanescente do contraste, foram mensuradas para obtenção de dados percentuais. A análise estatística entre os grupos foi realizada por meio dos testes ANOVA e Tuckey. Resultado: No terço apical, os grupos G2 e G3 (IUP) mostraram melhor limpeza do que o grupo G1 (IMC) (p<0.05). Não houve diferenças estatisticamente significantes entre os grupos G2 e G3 (p>0.05). Conclusão: Irrigação ultrassônica passiva com fluxo intermitente promoveu melhor limpeza dos canais laterais simulados do que a irrigação manual convencional no terço apical do canal radicular. Não houve diferenças entre os grupos no canal principal e no terço médio. Descritores: Endodontia; irrigantes do canal radicular; ultrassom. AbstractObjective: To evaluate the efficacy of passive ultrasonic irrigation (PUI) using intermittent or continuous flushing and conventional manual irrigation (CMI) on the cleaning of main and simulated lateral root canals. Material and method: The root canals of 24 artificial teeth were prepared and simulated lateral canals were made in the medium and apical thirds of the root. The specimens were divided into three groups: G1-CMI, G2-PUI 1 (intermittent flushing) and G3-PUI 2 (continuous flushing). Root canals were filled with contrast solution and the roots were radiographed pre-and post-irrigation. The digital images were transferred to Image Tool 3.0 software and the areas of root canal completely filled with contrast, and after irrigation with contrast remnant, were measured to obtain percentage data. Statistical analysis between groups was performed by ANOVA and Tukey tests. Result: In the apical third, G2 and G3 (PUI) groups showed higher percentage of cleaning than G1 (CMI) (p<0.05). Conclusion: Passive ultrasonic irrigation using intermittent flushing promoted a higher cleaning of simulated lateral canals than conventional manual irrigation in the apical third. There were no differences between groups in the main root canal and the middle third.

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Section: Discussionmentioning

confidence: 99%

Radiographic evaluation of root canal cleaning, main and laterals, using different methods of final irrigation

Chávez-Andrade

Guerreiro-Tanomaru

Miano

et al. 2014

Rev. odontol. UNESP

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“…Movimento de introdução e retirada foi realizado durante a irrigação com amplitude de 2 mm, com aspiração simultânea na câmara pulpar. 20 . A razão entre estas áreas foi calculada como porcentagens de limpeza para cada modalidade.…”

Section: Introductionunclassified

Influência do diâmetro foraminal do canal radicular, do tipo e da penetração de agulha, e do fluxo da solução irrigadora na limpeza e na extrusão apical

Tanomaru‐Filho

Loiola

Miano

et al. 2014

Rev. odontol. UNESP

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Influência do diâmetro foraminal do canal radicular, do tipo e da penetração de agulha, e do fluxo da solução irrigadora na limpeza e na extrusão apical Descritores: Endodontia; irrigantes do canal radicular; radiologia. Abstract Introduction:The root canal irrigation aims to clean and disinfect the root canal system, without causing apical extrusion. Objective: To evaluate the influence of apical foramen diameter, needle penetration depth and needle design, and the irrigating solution flow rate on the cleaning and apical extrusion. Material and method: Roots of human mandibular incisors with single-canal were instrumented and after enlarged with two different root apical sizes (40 and 60 K-files), the root canals were filled with contrast solution thickened with propylene glycol and zinc oxide. Two types of irrigation needles (27-gauge) with different designs (apical or lateral opening) were used, two flow rates corresponding to 15 or 25 mL/min and needle penetration at two depths (3 and 6 mm from the apex). Before and after irrigation, the teeth were radiographed using a digital radiographic system. Pre-irrigation (canals filled with contrast) and post-irrigation (canals with remaining contrast) images were submitted to digital subtraction using the Adobe Photoshop CS4 software and the areas were measured using the Image Tool 3.0 software, obtaining the percentage of cleaning and extrusion. Data obtained were subjected to one-way ANOVA and Tukey's tests with the significance level of 5%. Result: There was no statistical difference between the apical foramen diameter, needle penetration depth and needle design, and the irrigating solution flow rate on the cleaning results (more than 97%) and the level of apical extrusion (less than 0.38 mm 2 ), (p>0,05). Conclusion: All irrigation protocols evaluated provided cleaning of the root canal and low apical extrusion of irrigating solution.

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Effectiveness of gutta-percha and Resilon in filling lateral root canals using thermomechanical technique

Cited by 2 publications

References 32 publications

Radiographic evaluation of root canal cleaning, main and laterals, using different methods of final irrigation

Radiographic evaluation of root canal cleaning, main and laterals, using different methods of final irrigation

Influência do diâmetro foraminal do canal radicular, do tipo e da penetração de agulha, e do fluxo da solução irrigadora na limpeza e na extrusão apical

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