Teeth Whitening, Acid Damage, and Brushing Techniques with Dr. Bronagh Keane (2026)

Real Health: The Tooth Health Episode with Ireland’s Tooth Fairy, Dr. Bronagh Keane

Should you whiten your teeth? How can we minimize acid damage from foods? And what is the proper way to brush your teeth?

Dr. Bronagh Keane, widely known as Ireland’s Tooth Fairy and a leading expert in cosmetic and preventive dentistry, joins me on this week’s Real Health podcast episode.

I asked the dentist why people grind their teeth. Dr. Keane explains, “A lot comes down to stress, but many people do it at night too. It’s like they’re giving their jaw a nighttime CrossFit session and then wonder why they wake with a tired jaw or taut facial muscles.”

I also asked her about the acid impact of fruit. She notes, “If you eat fruit as part of a meal, you’re not causing additional damage. But consuming fruit outside of meals doubles the potential damage.”

Listen to the full episode here or wherever you stream podcasts.

Teeth Whitening, Acid Damage, and Brushing Techniques with Dr. Bronagh Keane (2026)

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