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Characterization of Successful Root Canal Treatment
Estrela, Carlos; Holland, Roberto; Estrela, Cyntia Rodrigues de Araújo; Alencar, Ana Helena Gonçalves; Sousa-Neto, Manoel Damião; Pécora, Jesus Djalma.
  • Estrela, Carlos; Federal University of Goiás. School of Dentistry. Department of Stomatologic Sciences. Goiânia. BR
  • Holland, Roberto; Federal University of Goiás. School of Dentistry. Department of Stomatologic Sciences. Goiânia. BR
  • Estrela, Cyntia Rodrigues de Araújo; Federal University of Goiás. School of Dentistry. Department of Stomatologic Sciences. Goiânia. BR
  • Alencar, Ana Helena Gonçalves; Federal University of Goiás. School of Dentistry. Department of Stomatologic Sciences. Goiânia. BR
  • Sousa-Neto, Manoel Damião; Federal University of Goiás. School of Dentistry. Department of Stomatologic Sciences. Goiânia. BR
  • Pécora, Jesus Djalma; Federal University of Goiás. School of Dentistry. Department of Stomatologic Sciences. Goiânia. BR
Braz. dent. j ; 25(1): 3-11, Jan-Feb/2014. tab
Article in English | LILACS | ID: lil-709397
ABSTRACT
Knowing the outcome of root canal treatment (RCT) is determinant to substantiate the clinical decision making process, especially when RCT is weighed against the extraction of natural teeth or replacement by prosthetic elements. The ideal scenario in all clinical situations should combine healing/prevention of disease (apical periodontitis) and the functional retention of the tooth. Understanding the risk factors associated with endodontic failure is a key factor to increase the chances of success. The logical action is to reverse the existing disease, which requires intervention to neutralize the bacterial invasion and disrupt the bacterial biofilm within the complex anatomy. Success is more predictable when the immune host defenses are favorable. However, success has different meanings to the dentist, to the patient and to the tooth itself. The life of an endodontically treated tooth depends on the accuracy of the diagnosis and planning, excellence of disinfection, instrumentation and filling procedures (antimicrobial strategies, root canal shaping and coronal and apical seal) and finally the rehabilitation management. The interpretation of constant or intermittent pain and/or discomfort associated with apical periodontitis (AP) in endodontically treated tooth may be suggestive of endodontic failure. The success features of RCT, namely absence of pain, regression of AP, tight seal of canal and coronal spaces, and recovery of tooth function, must be reevaluated over time. In case of doubt between success and failure, cone beam computed tomography (CBCT) could be indicated for detection and precise localization of AP. The possibility of map reading on CBCT images characterizes the real multidimensional structure, providing accurate information on the presence, absence or regression of AP. The survival of an endodontically treated tooth implies understanding the biological and mechanical outcomes as multifactorial events over the individual's life span. The objective of this review of literature is to discuss relevant factors associated with patient's health, tooth and dentist that could account for a successful RCT.
RESUMO
O sucesso do tratamento endodôntico deve sempre ser o principal objetivo em todas as situações clínicas, evitando-se dentro do possível a perda do dente. O entendimento dos fatores de riscos associados aos fracassos alerta para a importância terapêutica. A lógica é reverter o quadro de doença presente, o que demanda intervenção para neutralizar a agressão e romper biofilme bacteriano presente no complexo anatômico. Quando as defesas imunológicas do hospedeiro são favoráveis, o sucesso é mais previsível. A óptica do sucesso para o profissional, para o paciente e para o dente é distinta. A vida útil do dente tratado endodonticamente (DTE) depende da qualidade do processo de sanificação (estratégias antimicrobianas, alargamento e selamento), cujo referencial apresenta como base o diagnóstico, o planejamento e a excelência da técnica operatória (endodôntica e reabilitadora). A presença de dor contínua, esporádica, e/ou desconforto, associada ao aspecto de uma imagem radiolúcida em DTE pode ser sugestivo de fracasso. As características de sucesso do tratamento (ausência de dor, regressão de periodontite apical (PA), espaço do canal radicular e coronário completamente obturado, e dente em função) devem ser avaliadas ao longo do tempo. Nos casos de dúvida, entre sucesso ou fracasso, a correta localização ou detecção da PA pode ser feita por tomografia computadorizada de feixe cônico (TCFC). A possibilidade de uma navegação pela imagem da TCFC pode caracterizar a realidade de uma estrutura multidimensional, auxiliando com informação precisa sobre a presença, ausência ou regressão da PA. A vida útil do DTE implica no entendimento de resultados biológicos e mecânicos como um evento multifatorial ao longo da vida do indivíduo.
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Full text: Available Index: LILACS (Americas) Main subject: Root Canal Therapy Type of study: Prognostic study / Risk factors Limits: Humans Language: English Journal: Braz. dent. j Journal subject: Dentistry Year: 2014 Type: Article / Project document Affiliation country: Brazil Institution/Affiliation country: Federal University of Goiás/BR

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Full text: Available Index: LILACS (Americas) Main subject: Root Canal Therapy Type of study: Prognostic study / Risk factors Limits: Humans Language: English Journal: Braz. dent. j Journal subject: Dentistry Year: 2014 Type: Article / Project document Affiliation country: Brazil Institution/Affiliation country: Federal University of Goiás/BR