Kobieta, zdrowie, uroda » Medycyna

Usuwanie przebarwień na zębach

The teeth whitening market has become one of the fastest growing within dentistry and this has been reflected in the development and sales of teeth whitening products.

People are now increasingly aware that removing stains caused by tea, coffee, tobacco, red wine and spicy foods, no longer requires costly teeth whitening treatments, harsh acids or home bleaching kits, but instead can be resolved using cost-effective whitening toothpastes.  Additionally, people are more educated than ever before on the importance of maintaining their oral care in the home and the products available to achieve this.

One of the more common debates of whitening products is the length of time they take to whiten teeth, consequently a lot of whitening toothpastes were developed in the last decade and required testing for their stain removal potential.

An in vitro laboratory method to measure stain removal was performed by the leading Dental School in the UK with the aim to decipher how effective various toothpastes were at removing dietary stains from Perspex (material imitating human teeth) compared to water.

 

The assessment involved obtaining stimulated saliva from 2 volunteers who had not eaten or drank anything other than water for 2 hours, with approximately 100ml used for the 10 staining cycles (10/15ml per cycle). All Perspex samples were immersed in human saliva for 2 minutes, 20ml 0.2% Chlorhexidine based mouthwash for 2 minutes and then 10ml tea solution for 60 minutes, before being removed and rinsed in distilled water.  Toothpaste slurry was prepared by mixing a ratio of 3g toothpaste: 10ml distilled water for each cycle.



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