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

Ronaldo Araújo Souza, João da Costa Pinto Dantas; Lucélia Maísa Silveira Mendes, Suely Colombo, Maurício Lago, Marco Antônio Húngaro, Jesus Djalma Pécora

Introduction: Once infection control is considered key for endodontic treatment success, instrumentation of the cemental canal has been recommended for cases of pulp necrosis. However, it is believed that this procedure may result in postoperative pain. Objective: The aim of this study was to analyze the incidence of postoperative pain following endodontic treatment with cemental canal instru- mentation of necrotic teeth. Methods: After treatment with cemental canal instrumentation of 90 necrotic pulp root canals, post-operative pain was evaluated by means of a visual analog scale. Data were processed and subjected to statistical analysis using chi-square test with significance level set at 5%. Results: There was absence of pain in 86 patients (95.5%) and presence of mild pain in 4 patients (4.5%), with statistically significant difference (P < 0.05). Conclusion: The incidence of postoperative pain fol- lowing cemental canal instrumentation during endodontic treatment of necrotic teeth is very low. When present, pain is of mild intensity.

Keywords: Root canal instrumentation. Cemental canal. Postoperative pain.

How to cite: Souza RA, Dantas JCP, Mendes LMS, Colombo S, Lago M, Húngaro MA, Pécora JD. Incidence of postoperative pain after instrumen- tation of the cemental canal in teeth with necrotic pulp. Dental Press Endod. 2014 May-Aug;4(2):52-5. DOI: http://dx.doi.org/10.14436/2178-3713.4.2.052-055.oar

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