12 August

Toothbrushes : mechanical or electrical ?(this is useful to know)

According to historical sources, the Chinese invented the toothbrush in 1498.It was a stick of bamboo or bone, which was fixed bristles Boar, to shave his neck.Since the time of Ivan the Terrible in Russia instead of toothbrushes used toothbrushes "broom" - sticks with tufts of bristles at the end of which the boyars put things in order in the mouth after eating.In the reign of Peter the teeth are cleaned with powdered chalk and a damp cloth or charcoal of birch wood, which are also perfectly bleached teeth.

In Europe toothbrush came in the XVII century and soon gained wide circulation, however, pig bristles replaced by a softer horse hair.According to written sources, the French dentists actively recommend daily use of a toothbrush during the XVII and the beginning of the XVIII century.

Gradually natural hair was replaced by nylon, invented in 1937 in the laboratories of the firm "Dupont de Nemours."The first such brush appeared in 1938.For the time being the nylon bristles were very strict, while in

1950, the company "DuPont" not improved the technology and made them softer.

idea of ​​an electric toothbrush was proposed in 1880 by Dr. Scott.Hairs "Electric brushes, Dr. Scott," according to the manufacturer, "had a constant electromagnetic field."

first real electro-mechanical toothbrush was patented in Switzerland after World War II and worked from the mains.In 1960, she appeared on the US market.And in 1961 the company "General Electric" presented the first model with an autonomous power supply.And although many of the thing seemed overkill, electric toothbrush quickly gained popularity.Later, there were a variety of its modifications: manual toothbrush with a built-in timer, manual toothbrush with replaceable cleaning heads and other models.

In 1960, in addition to the mechanical brushes appear elektrovraschayuschiesya.They work like manual brush but with increased abrasion as rotated at an average speed of 7000 strokes per minute.It was more effective than manual cleaning, but was damaging the enamel due to too coarse impact.

In the 1990s there were electric reciprocating-rotating brushes are also working on the principle of abrasion, most of which exist to this day.

most significant progress in a more "gentle" cleaning teeth had been made in the development of acoustic toothbrushes (Braun Oral B-3D, Sonicart, Panasonic and others.).They work on the sound frequency, on average, 30 000 movements per minute, which allows us to achieve a deeper and at the same time, the "gentle" foam cleaning.

Another distinctive feature of the modern toothbrush - rounded bristles.For years, dentists have recommended direct standard toothbrushes is only due to the fact that no technology that allowed to round off every hair.Round the bristles less traumatic to the tissues of the oral cavity.Modern production methods enable toothbrushes to create a wide variety of shapes, sizes and patterns.As

and manual, electric toothbrushes are divided into hygienic and preventive.Class hygiene are just two of the first generation, that already says a lack of competitiveness with modern electro prevention.The first generation - it is electro with rectangular heads and grooved bristles.The second generation includes electro with a small round head and single-level surface brush field with a simple nylon.Of course, now you can find these dinosaurs on the market, but, in fact, hygienic brush has outlived his own.

Now go brush mainly preventive.They come in several types and each has its advantages and disadvantages.

For example, some developers are trying to create different versions of rectangular heads.So there Electrobrushes, which are placed on the head several bristle tufts, each of which independently rotates, periodically changing the direction of rotation.And if you add under each tuft of bristles is also spring-loaded, we get a completely different brush.It bundles arranged in three or four rows, and this feature is to form alternating up-down movement perpetrated bristle tufts.But supporters of the rectangular form, you hardly meet.It is already clear that the round (cupped) shape of the brush is the most optimal.The most simple in the classroom preventive electrobrushes with a round brush head are having two-level bristles and reciprocates a circular motion.A more sophisticated version of the "Roundheads" - a brush with a two-level field and wear indicator, to perform, in addition to back-circular, and even vibrating motion.

Some electric brushes are like a millstone.They are two circular disk on which there are tufts of bristles flatten.Their advantage is that they are simultaneously purified and inner and outer side of the tooth.Negative patterns such that they are not sufficiently clean the surface of the molars, are not very maneuverable and are inconvenient in motion.

latter type of "Roundheads" brushes - the so-called single-beam (monopuchkovye) brush.On the small round brush head is only one tuft of bristles, spinning in a circle.They are not used as a preventive and as optional dentifrice.

How to pick up a electric toothbrush?To do this, we must first figure out which one you need - or sanitary preventative.Dentists do not recommend to buy electric toothbrushes with rectangular heads for people with sensitive teeth enamel due to the fact that the wipers make only horizontal movement, strongly affecting the enamel.Such people are more suitable brush with unfixed bristle tufts, which make circular movements, or even podmetayusche-circular.

should pay attention to food and electro.Some work on simple penlight batteries that require separate costs.Also, there are brushes on batteries (usually come complete with a brush).In the Russian market can be found a third type of electrobrushes power, which in the West has declined, - powered directly from the mains.This is quite inconvenient, because not everyone has a socket in the bathroom.

matters and weight of the brush.It should not be heavy and cumbersome.Optimum weight - 100-200, during the cleaning arm is in the air, and heavy brush can transform the process into a very tedious task.

good electro provides some of speeds.The most advanced are three speeds, but in general it is quite enough and two.

When choosing electro ask the seller what the movement makes the brush head during operation.The ideal option is back and a circular motion, it is largely inferior to reciprocating.

Another plus in favor of a good brush - battery charging control light.Few people like it if his brush shut down in the midst of cleaning.Pleasant addition - an indicator of the degree of wear of the bristles.He lets you know when it's time to change the brush head or, if it is removable.

Nice detail - the presence of the so-called power projection.Then the brush is able to penetrate into the most inaccessible places in the mouth.

person who just started to use an electric toothbrush, it will signal the duration of tooth brushing at first.It will tell you if you take too long to brush your teeth.Signals are different: acoustic, optical, mechanical.Some brushes do stop at that point when you need to spit or rinse the mouth.

Brushing your teeth electric brush should not be rushed.Initially cleared the front wall of one jaw, then the rear wall of the same jaw, and only then can move on to the second jaw.

Will you first clean the lower jaw, and then the top - it does not matter, it's a matter of habit.You must attach to the tooth brush head so that it covered the tooth and hold in this position for a few seconds.Then go to another tooth.You can not press the brush on the teeth: if pressure adjustment, just turn off in the contrary case, you may damage the enamel and gums.

If a rectangular brush head and two located at its rotating platform, then when cleaning the outer, inner and chewing surfaces of molars head must be horizontal, while the purification of the central unit - vertically.

Do not forget to take care of their electrical assistant - so it will last longer.After cleaning, re-enable it for a short while and rinse under warm running water.If the head is removable from the brush, remove it and clean the inside.Then rinse the drive shaft.

If you have included the capacity to store attachments, remove to a removable head - so you keep it from sticking to dust and other contaminants.

Of course, not all cases, it makes sense to switch from conventional to electric toothbrush.Dentists themselves joke that electro was invented for lazy people with perfectly healthy teeth.Of course, this is not so, but certain contraindications to the use of electric toothbrushes do exist.As in all matters relating to their own health, you should exercise caution and moderation.Therefore, before purchasing electro consult first with a dentist.

There are many methods of cleaning teeth ordinary brush, but the principle is the same all of them.Movement for cleaning must be sweeps.If you clean the upper teeth, the motion directed downwards and vice versa when the lower teeth, the motion directed upward.One rule to remember always - brush should move from the gum to the edge of the tooth.

to clean the outer tooth surfaces, place the toothbrush at a 45 ° angle to the gum line.Making a neat, short motion, move the brush over the teeth and gums.The same movements and clean internal surfaces.To clean the inside surfaces of the front teeth hold the brush vertically and gently work out up and down movement of the brush tip.

No need to rub your teeth too hard, so as you can injure your gums.Removal of plaque occurs in a regular and high-quality cleaning.

In addition to the plaque, there is also a plaque that forms on the tongue, so too it is necessary to clean the tongue.Dentists recommend to choose a toothbrush with rounded ends on the soft bristles.Also, pay attention to the toothpaste.It is desirable to make it with fluorine.It goes well with the substances contained in the saliva, and helps to strengthen teeth, prevent tooth decay and disease in children and in adults.

If you regularly formed tartar, you can buy toothpaste that prevents its occurrence.Of course, this does not relieve you of scaling procedures, but at least make them less frequent.Dentists also recommend that dentists use threads (flossing), which help to remove plaque in hard to reach places.

Tartar (women's health)
What do you know about toothbrushes?Dental care
Oral Hygiene (women's health)

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