Relationship between Postendodontic Pain, Tooth Diagnostic Factors, and Apical Patency

Arias, Ana; Azabal, Magdalena; Hidalgo, Juan José Navarro; Macorra, José C. de la

doi:10.1016/j.joen.2008.11.014

Cited by 115 publications

(130 citation statements)

References 20 publications

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“…Uma das razões alegadas para a não utilização da patência apical é a possível extrusão de raspas ao longo do forame apical 4,[16][17][18] , condição relacionada principalmente à dor pós-operatória 19 , além de causar injúrias aos tecidos periapicais 20,21 . O conceito da patência é controverso para alguns profissionais 8 .…”

Section: Discussionunclassified

“…No preparo do canal radicular, especificamente em seu terço apical, pode acidentalmente ocorrer a compactação de raspas de dentina, bem como de fragmentos pulpares, que causam bloqueio deste conduto 1,2 e, consequentemente, a perda no comprimento de trabalho (CT) 3,4 . Tal fato ocorre durante o tratamento endodôntico, especialmente com profissionais menos experientes, e causa a formação de um tampão apical 1 .…”

Section: Introductionunclassified

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Avaliação in vitro da influência da lima patência na manutenção do comprimento de trabalho

Barroso

Uchimura

Endo

et al. 2017

Rev. odontol. UNESP

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ResumoObjetivo: Este trabalho teve como objetivo avaliar a influência da lima patência na manutenção do comprimento de trabalho (CT) durante o preparo coroa-ápice, utilizando o sistema oscilatório em canais artificiais de acrílico. Material e método: Foram utilizados 30 cubos de acrílico: a) grupo 1 (n=10): sem a lima patência e preparo no CT (CT=16 mm); b) grupo 2 (n=10): com a lima patência K#10, comprimento de patência de 17 mm e preparo no CT; c) grupo 3 (n=10): sem a lima patência, uso de uma lima K#10 em 16 mm para recapitulação e preparo no CT. Água destilada foi utilizada como solução irrigadora. O resultado foi analisado estatisticamente pelos testes de Levene e Kruskal-Wallis (p≤0,05), pelos quais se tornou possível observar a perda do comprimento de trabalho após a instrumentação, em diferentes abordagens, em relação à lima patência. Resultado: Os resultados obtidos demonstraram que houve diferença estatisticamente significante entre os grupos 1 e 3 quando comparados ao grupo 2; entretanto, ao comparar-se o grupo 1 com o grupo 3, estes apresentaram semelhanças estatísticas. O grupo 2 foi o único que conservou o CT após a instrumentação em 16 mm, enquanto os grupos 1 e 3 apresentaram uma perda de até 2 mm do CT. Conclusão: Conclui-se que a lima patência em 1 mm além do CT mostrou-se eficaz na manutenção do seu comprimento durante o preparo do canal radicular.Descritores: Endodontia; lima de patência; patência apical. AbstractObjective: This study aimed to evaluate the influence of patency file in maintaining the working lenght (WL) for the crown-down preparation using oscillating system in artificial canals of acrylic. Material and method: Thirty acrylic cubes were divided: a) Group 1 (n=10): without patency file and it were prepared in CT (CT=16 mm); b) Group 2 (n=10): with the patency #10 K-file, patency length of 17 mm and it were prepared in CT; and c) Group 3 (n=10): without patency file, using a #10 K-file in 16 mm for recapitulation and it were prepared in CT. Distilled water was used as irrigating solution. The results were statistically analyzed by the Levene and the Kruskal-Wallis test (p≤0.05), where it observed the loss of WL after instrumentation in different approaches to patency file. Result: The results showed a statistically significant difference between groups 1 and 3 compared to group 2, however the group 1 be compared in relation to these 3 showed statistical similarities. Group 2 was the one who saved the WL after instrumentation in 16 mm, while group 1 and 3 showed a loss of up to 2 mm WL. Conclusion: It was concluded that the patency file at 1 mm beyond the WL was effective in maintaining its length during root canal preparation.Descriptors: Endodontics; patency file; apical patency. INTRODUÇÃONo preparo do canal radicular, especificamente em seu terço apical, pode acidentalmente ocorrer a compactação de raspas de dentina, bem como de fragmentos pulpares, que causam bloqueio deste conduto 1,2 e, consequentemente, a perda no comprimento de trabalho (CT) 3,4 . Tal fato ocorre dura...

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Section: Discussionunclassified

Section: Introductionunclassified

Avaliação in vitro da influência da lima patência na manutenção do comprimento de trabalho

Barroso

Uchimura

Endo

et al. 2017

Rev. odontol. UNESP

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“…3,11,15 As observed in any surgical procedure, root canal preparation provokes inflammatory response characterized by an exudative phase within the first hours. In addition to cytokine release, which may promote pain, it not only causes edema confined to periapical tissues, but also cells and tissues to be compressed, thereby contributing to the development of postoperative pain.…”

Section: Discussionmentioning

confidence: 99%

“…6,7,8 Postoperative pain is a frequently recurring topic in endodontic literature. [9][10][11][12] A possible explanation for the occurrence of post-instrumentation pain may be related to mechanical, chemical, and microbial factors.…”

Section: Introductionmentioning

confidence: 99%

Incidence of postoperative pain after instrumentation of the cemental canal in teeth with necrotic pulp

Souza¹,

Dantas²,

Mendes³

et al. 2014

Dental Press Endod

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“…Arias et al 27 have observed postoperative pain in endodontically treated teeth with and without apical patency. Significantly less pain was observed in nonvital teeth when apical patency was maintained.…”

Section: Effect On Postoperative Painmentioning

confidence: 99%

Establishing Apical Patency: To be or not to be?

Mohammadi¹,

Jafarzadeh

Shalavi

et al. 2017

The Journal of Contemporary Dental Practice

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Introduction:The apical portion of the root canal is very complex and challenging during endodontic treatment. Root canal preparation and obturation to the apical constriction may provide the best prognosis. Incomplete debridement, foramen transportation, and inadequate seal in the apical portion are considered to be responsible for treatment failure. The technique "apical patency" is considered as a way for maintaining the apical part the free of the debris by recapitulation, using a small K-file through the area of the apical foramen. This term was firstly proposed by Buchanan. In this technique, the smallest diameter file is set 1 mm longer than working length and recapitulated after each instrument to prevent packing of debris in the apical part. Apical patency has been found to be effective in achieving an apical seal with gutta-percha. Teeth prepared with a step back method and with maintained apical patency may show less leakage when obturated with cold lateral condensation technique. Data regarding the effect of apical patency on the healing of periapical tissue are very scarce, and it has been shown that the patency file has detrimental effect on the healing of periapical tissues in animal studies. However, using patency file in endodontic treatment is controversial and further studies are needed. The purpose of this article is to review the effect of using a patency file on the extrusion of root canal contents, the apical seal, postoperative pain, and healing of periapical tissues. Furthermore, the effect of establishing patency on reaching irrigation solutions to the apical portion of the canal and prognosis of root canal treatment are discussed.

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Relationship between Postendodontic Pain, Tooth Diagnostic Factors, and Apical Patency

Cited by 115 publications

References 20 publications

Avaliação in vitro da influência da lima patência na manutenção do comprimento de trabalho

Avaliação in vitro da influência da lima patência na manutenção do comprimento de trabalho

Incidence of postoperative pain after instrumentation of the cemental canal in teeth with necrotic pulp

Establishing Apical Patency: To be or not to be?

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