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Dental Products and Appliances in Hot or Cold Cars

Plastic, such as a water bottle, contains low levels of Bisphenol A (BPA). It is safe in normal temperatures but can become dangerous if exposed to extreme temperature variations. Dental appliances made of acrylic don’t have BPA but some like occlusal guards or retainers can change in fit and shape when also exposed to extreme temperature fluctuations. As far as dental products exposed to temperature variations items like toothpaste may separate ingredients which can provide a breeding ground for bacterial growth when exposed with your toothbrush.

~Dr. Doug

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