(By Dr. Joseph D. Lim and Dr. Kenneth Lester Lim)
SUMMER brings images of sparkling pools and sandy beaches.
Water and sun-filled adventures can also carry hidden risks for oral health.
From swimming pools to salty seawater, the conditions and behaviors associated with beach and aquatic activities can affect teeth and gums in ways many vacationers may not anticipate.
Swimming in chlorinated pools is widely regarded as safe and enjoyable, yet frequent exposure to highly treated water can impact dental health.
Chlorine, while essential for killing harmful microbes, can alter the pH balance in the mouth. Over time, this may weaken tooth enamel, leading to a condition sometimes called “swimmer’s calculus,” where teeth become more prone to erosion and staining.
Pool enthusiasts who swim daily or train intensively are particularly at risk if they do not rinse their mouths with fresh water afterward and maintain thorough brushing habits.
Saltwater activities at the beach present a different set of challenges. While seawater is less chemically harsh than chlorinated pools, it contains natural minerals and microorganisms that can irritate sensitive gums or exacerbate pre-existing oral conditions.
Sand, a common companion of beach sports and games, can also inadvertently damage teeth. Accidentally biting down on hard sand particles in foods like sandwiches or snacks can chip enamel or aggravate sensitive areas.
Hydration is another crucial factor for oral health during aquatic and beach activities. Hot sun and prolonged exposure can lead to dehydration, reducing saliva production.
Saliva is the mouth’s natural defense, washing away bacteria and neutralizing acids that cause cavities. Reduced saliva increases the risk of tooth decay, gum irritation, and bad breath.
Swimmers and beachgoers often compensate with sugary beverages like sodas, sports drinks, or sweetened iced teas — choices that further expose enamel to acid attacks.
Physical activity at the beach — volleyball, frisbee, surfing, or running — can also pose direct risks to teeth. Collisions, falls, or airborne sand can lead to chipped, cracked, or even knocked-out teeth.
Dentists stress the importance of wearing protective gear where possible. Mouthguards, commonly associated with contact sports, are equally relevant for high-intensity beach games to prevent dental trauma.
Dietary habits during beach outings can compound these risks. Snacks like candy, dried fruits, or sticky treats often cling to teeth, providing a feeding ground for cavity-causing bacteria.
Combined with irregular brushing schedules during vacations or long poolside days, these factors can quickly lead to enamel damage, cavities, or gum inflammation.
Experts recommend a proactive approach to safeguarding oral health while enjoying water and beach activities.
Rinsing with fresh water after swimming, maintaining consistent brushing and flossing routines, staying hydrated with plain water, and limiting sugary drinks are essential steps.
For frequent swimmers, dental check-ups can help monitor enamel integrity and detect early signs of erosion.
Enjoying summer in pools and on beaches does not have to come at the cost of oral health.
Awareness and preventive measures ensure that the joys of aquatic adventures—whether swimming laps, building sandcastles, or catching waves—remain safe for both teeth and gums, allowing smiles to stay bright long after the season ends.
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Dr. Joseph D. Lim, Ed. D., is the former Associate Dean of the College of Dentistry, University of the East; former Dean, College of Dentistry, National University; Past President and Honorary Fellow of the Asian Oral Implant Academy; Honorary Fellow of the Japan College of Oral Implantologists; Honorary Life Member of the Thai Association of Dental Implantology; and Founding Chairman of the Philippine College of Oral Implantologists. For questions on dental health, e-mail jdlim2008@gmail.com or text 0917-8591515.
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Dr. Kenneth Lester Lim, BS-MMG, DDM, MSc-OI, graduated Doctor of Dental Medicine, University of the Philippines, College of Dentistry, Manila, 2011; Bachelor of Science in Marketing Management, De la Salle University, Manila, 2002; and Master of Science (MSc.) in Oral Implantology, Goethe University, Frankfurt, Germany, 2019. He is an Associate Professor; Fellow, International Congress of Oral Implantologists; and Fellow, Philippine College of Oral Implantologists. For questions on dental health, e-mail limdentalcenter@gmail.com./PN
