She joined the mile-high scrub. A woman horrified fellow flyers on a transcontinental flight after brazenly brushing her teeth in her seat — and even spitting into a cup. A Reddit post detailing her ...

But if washing out the minty aftertaste of the paste is absolutely necessary, then it is best to rinse out 20 minutes after the initial brush or take a tiny sip of water. This one’s a brush job. After ...

Most of us have had the same routine for brushing our teeth since we were small and first learned the habit: brush, spit, rinse. But even though it’s natural to have a strong desire to rinse out your ...