Toothbrush

Toothbrush does most of the cleaning function in the care of the oral cavity.
The history of its occurrence are very interesting. So, another 300 - 400 years B.C. the peoples of South America, Asia and Africa used for cleaning teeth various accessories, which is a type of the toothbrush. In Europe toothbrush, which was then called "dental broom", first appeared in the XVII century. In the beginning of XVIII century toothbrushes were used in Russia. Toothbrush and currently is an indispensable tool for mechanical cleaning of teeth from soft plaque and food debris. Effective hygiene measures cannot be undertaken without a toothbrush.
toothbrushestoothbrush consists of a handle and head (the working side), which reinforced beams synthetic or natural bristles. Setae are located on the brush head. Depending on the density and quality there are several types of toothbrushes. The location of bristles on the brush head may be in the horizontal plane, concave, convex, increased at the distal end. The handle of the brush can be straight, curved or stylobate. The most common toothbrushes from pig bristles. Brushes made of synthetic materials are more durable, but they are more intensively wash tissues of the teeth. Pen and brush head is usually made of color or transparent plastic.
Most commercially available toothbrushes not fully meet modern requirements : they have excessively large working part, and the beams of the bristles are very thick. This prevents a good cleaning of the teeth, as the movement of a brush is limited, dental intervals such brushes, as a rule, are not cleared. The most rational toothbrush should have head with a length of 25 - 30 mm in width of 10-12 mm Rows of bristles should be rarely, at a distance of 2 - 2.5 mm apart and not more than three in a row. The height of the bristles should not exceed 10 - 12 mm In Fig. 24, and presents the most rational and good design toothbrushes, produced by our industry.
In the last decade in our country and abroad appeared electric toothbrushes. The necessity of using an electric toothbrush, according to some authors and designers of these toothbrushes, is that for a small period of time required for cleaning the teeth, they make many times more vibration cleaning movements than with manual cleaning. Furthermore, the use of electric toothbrush supposedly improves the effectiveness of oral hygiene, as together with the cleaning of the teeth during hygienic manipulation is a massage of the mucous membrane of the gums that improves circulation and promotes amplification of exchange processes in the tissues of the oral cavity. However, it should be remembered that electromassage gums relatively potent agent, so before you buy an electric toothbrush, you need to consult your dentist. Its use is also advisable under the supervision of a dentist.
Electric toothbrushElectric toothbrush consists of a body, which is the motor, giving 3000 - 4000 rpm, pens and set toothbrushes. In the collection there are usually 4-brushes - for a family of four. They are all different colors. The power source is usually serve penlight batteries, however, in a number of designs are recharged from the mains.
Toothbrush easily contaminated and can serve as a source of infection. Therefore, it must be kept in absolute purity. Toothbrush - the subject of personal use, and you cannot use one brush to two or more persons, even if they are close relatives. New brush before use should be washed thoroughly, and then to soap and leave in a glass for a night or for a few hours. Boil a new brush as she is under the influence of high temperature loses its original shape. Also, can fall bristles. After soaping the brush must be well washed with warm or cold running water. For disinfection brushes can leave it for a day in a 40% solution of alcohol.
After each use a toothbrush should be rinsed thoroughly with soap and water. In the intervals between teeth cleaning brush can be placed in a glass or Cup, which must also be individualized. There is quite a lot of recommendations how to keep your toothbrush in order to avoid contamination. So, it is recommended to store it under a glass tube, head up or down by the head in the glass, in a special case, sprinkled with salt, soapy and so on Microbiological researches have shown, that on the bristles any toothbrush is a large number of microbes that get it out of the air and the mouth. Destroy all germs on your toothbrush in these methods of its storage is impossible. However, to prevent or reduce the chance of getting the brush pathogens necessary. There are quite affordable and simple ways. A. E. Evdokimov believes that the most efficient way to store your brush in between brushing your teeth in a glass or Cup, soapy, lowered head.
In a special case to keep your toothbrush can only briefly, in particular in the shuffle. Long storage toothbrush in case deprives it of light and air, which helps to multiplication of microbes, including those that are harmful for the organism.
The survey, conducted during several years has shown that quite often to clean the teeth are used brushes that are already worn out and does not perform its purifying effect. To set the exact dates replacement toothbrush is hardly possible, as their quality is different. However, in our opinion, the toothbrush should be replaced when it ceases to be elastic and purifying its effect is reduced. Experience and observations show that it happens after about 3 to 4 months after the start of use of a toothbrush.
Choosing a toothbrush depends on the condition of the teeth and soft tissues of the mouth and on the age of the person. Children need to use a small brush to freely manipulate in the mouth, consistently cleaning teeth from all sides. The length of its head should not exceed 20 - 25 mm, and width - 8 - 10 mm In connection with the fact that the children's teeth enamel less strong than in adults, and the delicate mucous membrane easily damaged, the bristle of a child's toothbrush, especially at the beginning of its use, should not be too hard. In adolescents and adults toothbrushes can be larger, but the size of their head should not exceed 30 mm, it is Better to use a brush beams bristles are not thick. When the hard tooth tissues diseases (e.g. high abrasion and their sensitivity to external stimuli) and the mucous membranes of the oral cavity (periodontal disease, gingivitis, stomatitis and other), you must use a soft toothbrush, coordinating all manipulations with a specialist dentist.