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      Factors associated to apical overfilling after a thermoplastic obturation technique - Calamus® or Guttacore®: a randomized clinical experiment Translated title: Factores asociados con la presencia de sobreobturación apical posterior a una técnica de obturación termoplástica Calamus® o Guttacore®: experimento clínico aleatorizado

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          Abstract

          The aims of this study were to analyze whether age, tooth type and sex are related to radiographically visible extrusion of filling material as an unintended outcome in teeth undergoing endodontic treatment with a thermoplastic obturation technique (Calamus® or GuttaCore®) and to determine whether the presence of such overfilling is associated to postoperative pain. We selected 120 teeth with diagnoses involving vital pulp and indication for endodontic treatment. Biomechanical preparation was performed using the Protaper Next® system with X2 or X3 master apical file. Teeth were randomly divided into 2 groups (n=60). Teeth in Group 1 were filled with the Guttacore® system and teeth in Group 2 were filled with single cone technique and Calamus® obturation system. Thermoplastic obturation techniques were found to cause overfilling in 53. 33% of the total cases (64 teeth) (56. 66% in Guttacore® group and 50% in the Calamus® group). Anterior teeth were found to be associated to presence of overfilling (p= 0. 024) (OR = 4. 35). Of the 120 teeth treated, 10 (8. 33%) presented postoperative pain and radiographically visible overfilling. The association between presence of extruded filling material and mild/moderate pain was statistically significant withp = 0. 002. To conclude, endodontic thermoplastic obturation with Guttacore® and Calamus® systems are significantly associated with the probability of filling material extrusion, and overfilling is associated to postoperative pain. Anterior teeth are 4 times more likely to be overfilled with the obturation techniques tested.

          Translated abstract

          Los objetivos de esta investigación fueron: Analizar si factores como la edad, el tipo de diente y el género están asociados con la extrusión de material obturador radiográficamente visible como desenlace imprevisto en dientes sometidos a tratamiento endodóntico con una técnica de obturación termoplástica (Calamus® o GuttaCore®) y determinar si la presencia de esta sobreobturación está asociada con dolor posoperatorio. Se seleccionaron 120 dientes con diagnósticos que implicaban pulpa vital y con indicación de tratamiento de endodoncia. La preparación biomecánica se llevó a cabo con el sistema ProtaperNext® con lima apical principal X2 o X3. Los dientes se dividieron aleatoriamente de la siguiente forma (n=60): El grupo 1 se obturó con el sistema Guttacore® y el grupo 2 se obturó con una técnica de obturación de cono único y el sistema de obturación Calamus®. Se observó quelas técnicas de obturación termoplástica generaron sobreobturación en 53. 33% del total (64 dientes), 56. 66% se presentaron en el grupo de obturación con Guttacore® y 50% en el grupo de la técnica con el sistema Calamus®. Se encontró que los dientes anteriores presentaron asociación con la presencia de sobreobturación (p= 0. 024) (OR=4. 35). De los 120 dientes tratados, 10 (8. 33 %) presentaron dolor posoperatorio y sobreobturación radiográficamente visible. La asociación entre la presencia de extrusión de material de obturación y dolor leve-moderado fue estadísticamente significativa con un valorp= 0. 002. Como conclusión las técnicas de obturación termoplástica en endodoncia Guttacore® y el sistema Calamus® están asociadas significativamente con la probabilidad de extrusión de material obturador y dicha sobreobturación está asociada con dolor posoperatorio, los dientes anteriores presentan 4 veces más riesgo de sobreobturación con las técnicas de obturación utilizadas.

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          Most cited references36

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          Root canal morphology and its relationship to endodontic procedures

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            Filling root canals in three dimensions.

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              Treatment outcome in endodontics: the Toronto study--phase 4: initial treatment.

              Outcome 4-6 years after initial treatment was assessed for Phase 4 (2000-2001) of the Toronto Study. Of 582 teeth treated, 430 were lost to follow-up (99 discontinuers, 331 dropouts), 15 were extracted, and 137 (32% recall minus 15 extracted teeth) were examined for outcome: healed (no apical periodontitis, signs, symptoms) or diseased. When pooled with Phases 1-3, 439 of 510 teeth (86%) were healed. Logistic regression identified 2 significant (P < or = .05) preoperative outcome predictors: radiolucency (odds ratio [OR], 2.86; confidence interval [CI], 1.56-5.24; healed: absent, 93%; present, 82%) and number of roots (OR, 2.53; CI, 1.25-5.13; healed: single, 93%; multiple, 84%). In teeth with radiolucency, intraoperative complications (OR, 2.27; CI, 1.05-4.89; healed: absent, 84%; present, 69%) and root-filling technique (OR, 1.89; CI, 1.01-3.53; healed: lateral, 77%; vertical, 87%) were additional outcome predictors. A better outcome was suggested for teeth without radiolucency, with single roots, and without mid-treatment complications. The predictive value of root-filling technique in teeth with radiolucency requires validation from randomized controlled trials.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                aol
                Acta Odontológica Latinoamericana
                Acta odontol. latinoam.
                Sociedad Argentina de Investigación Odontológica (Buenos Aires, Ciudad Autonoma de Buenos Aires, Argentina )
                1852-4834
                April 2018
                : 31
                : 1
                : 45-52
                Affiliations
                [02] Bogotá orgnameUniversidad Nacional de Colombia orgdiv1Facultad de Odontología Colombia
                [01] Bogotá orgnameUniversidad el Bosque orgdiv1Facultad de Odontología orgdiv2Posgrado de Endodoncia Colombia
                Article
                S1852-48342018000100007
                30056466
                c80229bf-f5a6-44aa-ac85-6a04a33183ff

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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                Figures: 0, Tables: 0, Equations: 0, References: 40, Pages: 8
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                SciELO Argentina


                Gutapercha,Pain,Gutta-percha,Materiales para obturación del conducto radicular,Dolor,Root Canal Filling Materials

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