All about toothpastes
In the paste composition traditionally include gelling, foaming and abrasive substances, and fragrances, colorants and flavorings. Using abrasive substances paste cleans and polishes the tooth surface, and polyhydric alcohols contribute to the conservation of moisture in the paste during storage, make it plastic, increase the freezing point and make formed when cleaning the foam more stable.
The most effective are foaming toothpaste that have high cleaning power, well remove food debris and plaque.
Depending on its composition, toothpastes are divided into treatment-hygienic and medical. First have an exceptionally refreshing and cleansing action, while the latter are fluoride-containing toothpastes, which are used for caries prevention. To date, foreign manufacturers produce 95% of toothpastes which contain fluoride because they are more efficient and cost effective. Once in the mouth, fluoride significantly reduces the formation of acids, has a bactericidal action on cariogenic bacteria and accelerates the remineralization of teeth, restoring early carious lesions. However, immediate improvement to expect from them is not worth it – fluoride toothpaste strengthens teeth with time.
The shelf life of toothpaste
Any toothpaste has a specific retention period of about a year. Then it becomes a dangerous chemical and biological properties. When buying goods, you must make sure that the expiry date on the package has expired. Also, if possible, it is advisable to check the tightness of the tube under the cap it needs to be sealed with foil.
Since the opening of the tube of toothpaste can be stored no longer than six to twelve months.
Remember that shelf life is also different. So, a sealed tube, lying in store, to be stored somewhat longer than the open toothpaste, which has already hit the oxygen. Also affecting the duration of storage components of the paste, which can prolong or to shorten its life. To notice the disrepair of toothpaste from its appearance – it is partially dried, and its cleansing properties and taste noticeably worse. In addition, bad pasta can change their original color.