Dentist Shares Viral Tips On Times to Avoid Brushing Teeth

UK: A dentist’s viral TikTok video has sparked discussions online after she shared advice on when to avoid brushing teeth, contrary to common practice.

Dr. Shaadi Manouchehri, clinical director at Smart Dental Aesthetics and director at the London School of Facial Esthetics, garnered attention with her TikTok video, which has amassed over 12 million views. She highlighted three scenarios when brushing teeth immediately might not be advisable: after vomiting, after eating breakfast, and after consuming sweets.

Understanding pH Levels

Manouchehri emphasized the role of pH levels, stating, “Your teeth are minerals and an acid could quite literally dissolve them.” She explained that after eating, particularly breakfast or sweets, oral bacteria metabolize the food, producing acid that can harm teeth. Similarly, stomach acid from vomiting poses a risk to dental enamel if brushed too soon.

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The acidity in the mouth typically neutralizes within 30 to 60 minutes, aided by saliva. Manouchehri recommended strategies to speed up this process, such as drinking water or chewing sugar-free gum to increase saliva production.

Expert Opinion and Additional Tips

Dr. Lucynda Raben, DDS, supported Manouchehri’s advice, suggesting delaying brushing until the mouth’s pH returns to a neutral level. Raben cautioned against brushing immediately after eating, drinking, or vomiting, as it can weaken tooth enamel over time.

While the instinct may be to brush immediately after these activities, emerging research suggests otherwise. Manouchehri and Raben emphasized the long-term effects of brushing in an acidic environment, highlighting the importance of waiting to protect tooth enamel.

Medical Advice and Precautions

Both dental professionals and the Mayo Clinic advise against brushing too soon after consuming acidic foods or drinks. Waiting for saliva to neutralize acidity helps protect tooth enamel from damage.

Manouchehri’s insights challenge conventional wisdom and underscore the importance of understanding oral health practices in light of scientific evidence.

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