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10 things you need to replace way more often than you probably do

INSIDER Logo By Zoƫ Miller of INSIDER | Slide 2 of 11: 
  According to the 
  American Dental
  Association (ADA), you
  should replace your toothbrush (or the head of an electric
  toothbrush) once every three to four months.

  As Keith Arbeitman, a dentist in
  New York City, explained 
  in an interview with Business
  Insider, how often you
  should swap your toothbrush for a new one depends on how
  frequently you use it. A telltale sign of wear is when the
  brush's bristles start to bend, he said.

  
    Read More: 13
  things you do every day that can ruin your teeth

The American Dental Association recommends replacing your toothbrush every three to four months.

According to the American Dental Association (ADA), you should replace your toothbrush (or the head of an electric toothbrush) once every three to four months.

As Keith Arbeitman, a dentist in New York City, explained in an interview with Business Insider, how often you should swap your toothbrush for a new one depends on how frequently you use it. A telltale sign of wear is when the brush's bristles start to bend, he said.

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