The answer is no. Modern shavers don't wear out because the titanium gets dull. They wear out because the foil starts moving in unison with the cutter, so you have a foil shaking against your face instead of cutting anything off. The titanium actually experiences less wear as they get older.
A teflon bushing is supposed to keep the foil stationary while the cutter shakes. The teflon is too soft, but is the only material which allows smooth up & down motion. Eventually, the bushing deforms, allowing the foil to follow the cutter.
Old shavers had a hard mounted foil with no bushings, but it didn't comply with your face.








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