🎙️ Truth or Trend: Should Clients Drink Water Before Whitening to Prevent Sensitivity?

Some teeth whitening trainers are telling students to have their clients drink a gallon of water before their appointment to prevent sensitivity. Is this helpful or completely false? In this Truth or Trend episode, we break down the real science behind dehydration, salivary flow, and the actual causes of whitening-related sensitivity. Spoiler alert: drinking water isn’t the fix—and this trend needs to stop.

⏱️ Timestamps:

00:00 – Intro: What trainers are telling providers to do
01:04 – What actually causes whitening sensitivity?
01:52 – Teeth don’t store water—how hydration works in the mouth
02:39 – Why dehydration isn’t bad (in controlled amounts)
03:29 – Clinical study: Dental dam dehydration = brighter teeth
04:15 – If water fixed sensitivity, dentists would already use it
04:45 – Final thoughts: Stop telling clients to drink water—it’s not helping

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Keywords:
teeth whitening sensitivity, drinking water before whitening, dehydration and tooth whitening, oral hydration, dental sensitivity myths, cosmetic dentistry tips