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Endodontics Research Supporting Your Practice

Video Presentation: What is the effect of root canal therapy on peri-operative pain?

Woman Holds Her Cheek, ToothacheThis summary is based on the study conducted by the National Dental Practice-Based Research Network on peri-operative pain and root canal therapy.

Donald Nixdorf, DDS, MS and Deborah Knaup, DDS, MS



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Severe pain most often occurs within the first 2 days following root canal therapy (RCT).

Clinical Questions 

  • What portion of patients experience severe pain following RCT?
  • How does RCT affect the patients’ pain?


On average, RCT reduces tooth pain intensity, duration, and interference in daily life.


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1 Comment

  1. Manjitsingh Bhalla September 10, 2014

    Fairly good video, full of valuable information!

    A section on Clinical Problems is well said; approximates the number of patients feeling pain involved in RCT treatment. Flare-up pain with severe swelling is also evident by patients, yes. Pain frequency, intensity based on timely defined periods (e.g. post-operative) is well explained. How a study conducted by general dentists and endodontists shows “Pain Measures” can be much helpful to others, mainly those going through same situation.


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