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Recently, social media platforms have been flooded with aesthetically prepared matcha lattes and brightly packaged energy drinks. Brands are introducing new variants, influencers promote them as part of
a modern morning routine, and young people sip these drinks almost every day. However, we are increasingly observing how frequent consumption of such caffeinated and acidic beverages may gradually affect enamel strength, teeth colour, and overall oral health.
Lt Gen Dr Vimal Arora (Retd.), Chief Clinical Officer at Clove Dental, sheds light on how these beverages impact oral health:
Let’s Understand the Acidic Factor of These Beverages
The strength and longevity of tooth enamel depend on the pH balance within the mouth. Under normal conditions, saliva protects the teeth from damage. But when the pH drops below 5.5, tooth enamel begins to lose essential minerals, causing demineralisation. Repeated consumption of acidic beverages weakens the protective outer layer of the teeth, leading to sensitivity, discolouration, and cavities.
Different Beverages Influence pH Balance Differently
Matcha: Matcha is often considered a healthier option and in many ways it is. It contains antioxidants such as catechins and epigallocatechin gallate (EGCG), which help inhibit bacteria linked to gum disease. It also tends to be less acidic than many caffeinated drinks. However, because matcha is made from fine, dark-coloured tea particles, its natural pigments can still cause mild surface staining if consumed frequently.
Cold Brew Coffee: Cold brew coffee is one of the most popular on-the-go drinks among young people. It is often promoted as being less acidic than traditionally brewed hot coffee, but cold brew still falls slightly below the enamel safety threshold. Repeated exposure can soften enamel and encourage staining, especially when the drink is consumed slowly over long periods.
Energy Drinks: Energy drinks contain high amounts of caffeine and are significantly lower on the pH scale, meaning they are highly acidic. When combined with their high sugar content, this accelerates enamel erosion while also feeding cavity-causing bacteria in the mouth.
The Slow-Sip Crisis
These beverages are deeply integrated into modern lifestyles, so avoiding them entirely may not be practical. However, being informed and mindful can make a significant difference. Continuous sipping prevents saliva from neutralising acids and allows erosion to progress gradually throughout the day.
Simple habits, such as rinsing the mouth after drinking, using straws where possible, and waiting about 30 minutes before brushing can help preserve enamel and support long-term oral health.
