DrBunn.com - Toothbrushing Cannot Damage Teeth or Gums

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Toothbrushing Cannot Damage Teeth or Gums

People have mistakenly been given the impression that toothbrushing can damage teeth (notches at the gumline), or cause receding gums. Even a hard toothbrush cannot damage teeth.

An article published years ago very clearly considered the cause for such problems - which is NOT toothbrushing, but people (including many dental professionals) still are under the impression that toothbrushing can damage teeth/gums. For those interested, the article is: "On The Longevity Of Teeth", Gene McCoy, DDS, Journal of Oral Implantology, 1983, 11(2): 248-67, PMID: 6584638.

Notches at the gumline are called abfractions (Grippo, 1991) and can be found in societies and cultures where no toothbrushes exist, they can be found below the gumline - not accessible by a toothbrush, and even in teeth where people don't brush well. Abfractions are caused by biting forces on teeth that are excessive for many years (see bite adjustment). Excessive biting force is also one of two main reasons people have receding gums (the other reason is destructive plaque germs and the cascade of destruction they trigger).

The recommended brushing method is and has been side to side (not up/down, not circular) for over 25 years - this is called the modified Bass method. A soft toothbrush is recommended because the critical area to clean is at the gumline, and a soft toothbrush makes it easier to brush a long time at/on the gums (see favorite products). All dentists and hygienists agree that the most important factor in effective toothbrushing is how long you brush (see about dry brushing).

references on abfractions >>

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