In addition to tissue level fixtures I have placed Zimmer TSVM exclusively since 2015 after experimenting with multiple products for 10 years prior. I love the Zimmer fixture and have experienced tremendous success with it. On about 8-10 occasions I have observed this happen where the rim/collar of the fixture fractures. On average I place about 300 Zimmer fixtures per year and fortunately the overwhelming majority of them get properly restored with genuine OEM components so I see very few post load complications. Oddly enough of the 8-10 times that I have had one fracture like this every one of them has been restored with aftermarket/knock off components thus adding validity to my claim of aftermarket inferiority. Given that over the past 10 years with a sample size in the thousands and having the vast majority of complications occur within the minority of the sample that received aftermarket cost cutting components it seems like pretty clear and convincing evidence to oppose the cheap stuff. Aside from the fact that aftermarket components are not engineered to the same tolerance and precision as OEM components from the major players I wonder if mismatched metals between the components could be causing a galvanic reaction and weakening the fixture… I actually had a plumbing pipe burst at my office last year as a result of a galvanic reaction so I assume that it is at least a possibility. The pipe bursting at my office resulted in about 90K reasons for me to oppose putting two dissimilar metals together.
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