A misplaced wire label caused a power outage on a massive container ship, sending it crashing into a bridge, the NTSB finds ...

Learn the key difference between home brushing and professional cleaning. See why both are important for strong teeth and gum ...

Dentists explain why brushing and flossing are both important for clean and healthy teeth. Many experts say flossing first ...

Although teeth can be cleaned by brushing, it is not effective in reaching the adjacent tooth surfaces - adopting a tooth-cleaning technique called flossing can be used for this instead. This ...