Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Dec 23, 2010
Having survived countless hours of rigorous scientific testing at the hands of Glidewell Laboratories' award-winning R&D department, BruxZir® has been called "chip-proof," "bullet-proof," and "virtually unbreakable." Never satisfied, we decided to up the ante by pitting it against a traditional PFM in a less conventional test we dubbed... the Hammer Test.