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HomeOral HealthZentflex Toothbrush evaluation |

Zentflex Toothbrush evaluation |

Brushing your enamel with an excessive amount of pressure could cause everlasting injury to the important tooth construction. However how a lot pressure is an excessive amount of? The Zent flex toothbrush provides an elegantly easy answer that ensures you at all times brush with precisely the precise stress.


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My preliminary impression of the concept behind the Zent Flex toothbrush was, “That’s sensible!”  There are related ideas in electrical toothbrushes that beep at you or flash a purple mild when the person makes use of an excessive amount of stress, however they don’t truly cease the pressure.  We at all times advise sufferers to brush gently with a soft-bristled toothbrush.  In any case, it takes little or no stress to take away dental plaque from the enamel.  However in my expertise, there are some individuals who simply can’t appear to minimize the stress they use.  The distinctive design of the press joint within the Zent Flex toothbrush could also be precisely what they want.

Tooth enamel is the toughest construction within the human physique, a lot more durable than bones.  It’s attainable, albeit troublesome, to mechanically abrade (regularly put on away) enamel.  Enamel abrasion will not be our greatest concern with poor brushing method, although.  

There are two critical penalties of an aggressive toothbrushing method: 1) gum recession, and a couple of) root abrasion.

Though poor brushing method will not be the first reason for gum recession, it’s actually a contributing consider many instances.  The gum tissues surrounding the enamel are comparatively delicate, so any inappropriate pressure could cause them to again away from that perceived damage.  Gum recession in itself is unhealthy as a result of it’s a lack of attachment between the enamel and the underlying jawbone.  Gums which have receded don’t develop again.  Extreme gum recession can require gum grafting surgical procedure to restore the defects.

Within the consideration of poor brushing method, a recession is exceptionally unhealthy as a result of it exposes the roots of the enamel, rising the danger for the second consequence of laborious brushing: root abrasion.  Root abrasion is more likely than enamel abrasion as a result of the roots of enamel shouldn’t have a protecting enamel coating.  As a substitute, the roots are lined in a skinny layer of cementum, which may be very vulnerable to abrasion.  As soon as the cementum is gone, the underlying dentin (the key element of enamel) is uncovered, resulting in a excessive danger for cavities and tooth sensitivity.  Like gums, cementum and dentin don’t regenerate on their very own.  If extreme abrasion happens, dental restorations is likely to be essential to restore the defects.

The Zent Flex mechanism of “breaking” the joint at 150g of pressure is suitable based mostly on scientific analysis concerning the pressure required to take away dental plaque versus the pressure that damages dentin.  Analysis helps (and it simply is sensible) that rising pressure will improve plaque removing.  That’s the entire level of brushing: to take away the sticky movie of plaque that incorporates disease-causing micro organism.  In some unspecified time in the future, although, that rising pressure will take away not solely the plaque but additionally the dentin to which it’s caught!

The edge of 150 grams of pressure can be an accepted standardized quantity for Toothbrushing as the suitable quantity of stress.  We see this within the testing protocols that the American Dental Affiliation makes use of in its Relative Dentin Abrasivity (RDA) index.  They use 150g of pressure when testing the abrasion potential of varied sorts of toothpaste.

The rationale dentin is so important to this dialog is that it incorporates tiny pores, known as tubules, which create a communication between the oral atmosphere and the nerve inside every tooth.  Chemical or mechanical processes that open or widen these tubules will open that communication, which means you’ll be extra prone to really feel scorching, chilly, and candy sensations within the nerve.  This research reveals that utilizing a decrease pressure when brushing truly helps to shrink these tiny pores, decreasing sensitivity considerably.

[Side note: While sensitivity is a more common consequence of open dentinal tubules, we also need to worry about cavities.  The open pores in dentin increase the risk for bacterial contamination, and therefore increase the risk for cavities on these exposed root surfaces.]

After utilizing the comb myself, I used to be shocked to study that I brush too laborious!  I’m a dentist!  In fact, I contemplate myself to be somebody with an excellent brushing method.  Throughout my first use of the Zentflex, it was laborious to cease laughing at myself as a result of the press joint broke again and again.  I did really feel, as I brushed, that I might need been lacking areas, which prompted me to pay shut consideration to how completely I used to be masking the enamel.

The comb itself is comfy and well-constructed.  The bristles really feel soft-to-medium-soft.  (Extra importantly, they felt a lot softer after the press joint broke at 150g of pressure.)  As I continued brushing, I seen that I used to be regularly altering my method to maintain the joint from breaking, so I believe this brush carries nice potential for coaching individuals within the acceptable quantity of toothbrushing pressure.  If that is the one toothbrush you utilize, I consider that over time you’ll develop a brushing method that will not trigger the joint to interrupt.


This toothbrush can be a beautiful instrument for anybody with delicate enamel, gum recession, root publicity, or just a naturally heavy brushing method.  I like to recommend it for these explicit individuals attributable to its protecting skills and its coaching potential.  It additionally has the benefit of being a lot cheaper than the typical electrical toothbrushes that promote the identical protecting features.

Dr. Lara T. Coseo DDS, FAGD.

Dr. Lara Coseo

Dr. Lara Coseo, (DDS, FAGD) is a 2004 graduate of Baylor School of Dentistry in Dallas, Texas. Having practiced common dentistry for 13 years, Dr. Lara presently serves as an Affiliate Professor at Texas A&M School of Dentistry.




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