Nonsurgical root canal treatment may reduce the prevalence and severity of pain of endodontic origin within 1 day following treatment and substantially to minimal levels in 7 days

J Evid Based Dent Pract. 2012 Mar;12(1):12-3. doi: 10.1016/j.jebdp.2011.12.006.


Purpose/question: To determine the influence of root canal treatment on pain prevalence and severity and estimate the prevalence and severity of pretreatment, treatment, and posttreatment pain in patients receiving nonsurgical root canal treatment.

Source of funding: The University of California, Los Angeles, Section of Endodontics.

Type of study/design: Systematic review with meta-analysis of data.

Level of evidence: Level 2: Limited-quality, patient-oriented evidence.

Strength of recommendation grade: Grade B: Inconsistent or limited-quality patient-oriented evidence.

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