A man's 10-year search for the underlying cause of his chronic illnesses becomes an exposé of the dental root canal procedure's harmful health risks.
Root Cause (2019) is a documentary film directed by Frazer Bailey, released on March 24, 2019 with a runtime of 1h 15m. It stars Ben Purser and Brooke Lee. Viewers rate it 6.8 out of 10 across 8 ratings.
Watch the official trailer for Root Cause before you stream it.
Directed by Frazer Bailey.
Average viewer score of 6.8/10 from 8 ratings.
This could have been a great documentary, but the storytelling is unbelievably bad and the editing is awful. I kind of feel bad for those who agreed to appear in the documentary. Also, it is painfully obvious that the creator of the documentary is a _mega-gooner_. Yikes.
Reviewed on August 19, 2025
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Root Cause (2019) is currently available to rent or buy from Apple TV Store, Google Play Movies, YouTube and Fandango At Home. No subscription streaming option is listed right now, so availability may change.
The main cast of Root Cause (2019) includes Ben Purser and Brooke Lee. The film was directed by Frazer Bailey. You can see the full cast and crew list, with character names, further up this page.
Root Cause was released on March 24, 2019 and runs for 1h 15m.
Root Cause (2019) holds an average rating of 6.8 out of 10 from 8 viewer votes, and is a good pick if you enjoy documentary films. Read the viewer reviews on this page to decide for yourself.
Yes. The official Root Cause trailer is embedded in the trailer section of this page and plays instantly, no download or sign-up required.
