Bad breath can be a sign of bad oral hygiene and any underlying gum problem and ignoring it can make those issues worse.
Brushing your teeth polishes the top coat of the teeth making them more vulnerable to germs, so, having caffeine soon after can make them yellowish.
It is advisable to change the toothbrush when you are sick in order to stop the spread of pathogens and reinfection.
Brushing your teeth immediately after a meal can potentially harm your enamel.
Rinsing your mouth right after brushing can diminish the fluoride benefits of the toothpaste.
It is advised to spend at least 30 seconds on each of the quadrants while brushing as anything less than that can lead to oral health issues.
Exerting excessive force while brushing your teeth can lead to enamel damage and increased tooth sensitivity.