Philips Sonicare Purposely changed their toothbrush so it breaks faster. Right side is the old model that has barely changed over 3 years. Left side is the new version that I've only
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How to fix a Philips Sonicare DiamondClean HX9340 when it is getting less powerful or has a weak brush. - iFixit Repair Guide
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Electric Toothbrush Metal Shaft/Vibrating Tip Replacement Parts Compatible with Philips HX6340 HX6530 HX6710 HX6920 HX9140 HX9340 HX8910 HX9350, Shaft ...
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Amazon.com : Electric Toothbrush Link Rod Part Replacement Compatible with Philips Sonicare Toothbrush HX6920 HX9340 HX6730 HX6340 HX6530 HX9352 HX9382, Metal Shaft Repair Part with Tongue Scraper Cleaner : Health & Household
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Philips Sonicare HX6710 teardown and repair | KuzyaTech