Do you brush your teeth on a long flight?

Of course! Depending on the length of your flight, you should definitely brush your teeth at least once, especially after a meal. Food debris and sugary foods are the primary causes of plaque build-up in your mouth. If you are flying frequently, it won't be long before it leads to gingivitis (or periodontitis).



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Don't Make a Mess For those of us who want a little extra cleanliness before braving the bathroom, bring along some anti-bacterial wipes for frequently touched surfaces. It should go without saying, but the most crucial duty remains. Don't forget to flush! Heck, give it a courtesy flush if needed.

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Toothpaste is permitted on aircraft but only in quantities of 3.4 oz (100ml) or less. The same goes for lotion, shampoo, shaving cream, etc. If you are only travelling with carry-on baggage, keep in mind all these rules when bringing your liquids through security checkpoints.

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Keep your toothbrush, floss, travel-size toothpaste and mouthwash in a travel pouch somewhere that's easily accessible. If you're on a long flight, brush after eating.

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Should you shower after travelling? The expert suggested that the post-flight wash is important for long haul flights, but slightly less for those shorter journeys. “If you've got off a short haul, you may not have to worry about it, as you'll have the same exposure as you might in an office building.

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It isn't courteous to display excessive affection on an airplane, he said. A kiss or curling up next to someone while you sleep is acceptable, but making out — or beyond — would be going too far.

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If you're prone to ear clogging or pain on planes, try swallowing or chewing gum during takeoff and landing. This naturally opens up the Eustachian tubes, allowing the air in your middle ear to equalize, but if you have continuous pain or loss of hearing come see us at the Ear, Nose and Throat Institute.

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Firearms, ammunition, and fireworks are prohibited, as are all knives and safety razors (including pocket knives and Swiss Army knives). Straight razors and replacement blades for straight razors are also not allowed. Most tools also cannot be packed in carry-on luggage, as they have the potential to cause harm.

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In short, the 3-1-1 rule is: Each liquid you bring through the TSA checkpoint must be in a 3.4-ounce or smaller container (3), all containers must be placed inside one clear quart-size plastic bag (1) and each passenger is only allowed one plastic bag (1).

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Get up and walk around every 2 to 3 hours. If there isn't enough room to walk or the fasten seatbelt sign is on, do calf raises and other leg stretches at your seat every 30 minutes or so. Drink water before and during the flight.

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Using the First Class lavatory for convenience
In some cases, the crew will let Economy passengers use the First Class lavatory just as a matter of convenience. No urgency needed. The proper etiquette here is probably for only Economy passengers sitting near the First Class cabin to do this.

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