Brushing teeth while taking a shower at night / Brushing teeth before bed?
Hello, doctor.
My current habit is to brush my teeth while taking a shower, which is usually about 2 to 3 hours before I go to bed, and I do not brush my teeth again before sleeping.
After showering and brushing my teeth, I only drink plain water until I go to sleep.
Will this affect my teeth, or is it better to brush again before bed?
Niming, 20~29 year old female. Ask Date: 2019/12/08
Dr. Zeng Guanghui reply Dentistry
If you have the habit of eating a late-night snack after brushing your teeth in the evening, it is recommended to brush your teeth again after having the snack before going to bed.
However, if you only drink plain water before sleeping, it is generally not a concern.
Nonetheless, it is essential to brush your teeth at least once after dinner.
Reply Date: 2019/12/08
More Info
Brushing your teeth is a crucial part of maintaining oral hygiene, and the timing of when you brush can significantly impact your dental health. Your current routine of brushing your teeth while showering, which is typically 2 to 3 hours before bedtime, followed by only drinking plain water, raises some important considerations regarding oral health.
Firstly, it's essential to understand that the primary purpose of brushing your teeth is to remove plaque, food particles, and bacteria that accumulate throughout the day. Plaque is a sticky film of bacteria that forms on your teeth and can lead to tooth decay and gum disease if not adequately removed. When you brush your teeth, you are effectively disrupting this plaque buildup and preventing it from hardening into tartar, which can only be removed by a dental professional.
Brushing your teeth before bed is particularly important because saliva production decreases during sleep. Saliva plays a vital role in neutralizing acids produced by bacteria in your mouth and helps wash away food particles. When you brush your teeth just before bed, you are ensuring that your teeth are clean and free from food debris and plaque, which can otherwise lead to cavities and gum issues overnight.
Given your routine, brushing while showering is better than not brushing at all, but it may not be sufficient for optimal oral health. If you brush your teeth 2 to 3 hours before bed and then consume only water, you may still have residual bacteria and plaque on your teeth when you go to sleep. This can increase the risk of dental problems, especially if you have a habit of snacking or consuming sugary foods throughout the day.
To enhance your oral hygiene routine, it is advisable to brush your teeth again right before bed. This ensures that any food particles or plaque that may have accumulated after your shower are removed, providing a cleaner environment for your teeth while you sleep. Additionally, if you consume any snacks or drinks (other than water) after brushing, it is crucial to brush again to prevent cavities.
Furthermore, consider using fluoride toothpaste, as fluoride helps strengthen tooth enamel and provides additional protection against decay. If you are concerned about the time it takes to brush your teeth, remember that effective brushing should take at least two minutes, covering all surfaces of your teeth, including the fronts, backs, and chewing surfaces.
In summary, while brushing your teeth while showering is a good habit, it is best to brush again right before bed to ensure optimal oral hygiene. This practice will help protect your teeth from decay and maintain overall dental health. If you have any further questions or concerns about your oral hygiene routine, it is always a good idea to consult with your dentist for personalized advice.
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