Coffee, nicotine and smoking rubber
Such coverings are not necessarily harmful to teeth and gums, but they are cosmetically disturbing and very stubborn when it comes to remove them in the daily home dental care.
To contradict a lay-heresy: Such coverings are not calculus, but (harmless) stains, its removal does not belong to the service catalog of the health insurance!
“-Whitening toothpastes,” or whatever they call themselves magic pastes, are mostly ineffective, or if they contain strong Schmirgelstoffe or acids, which attack the teeth and damage the gums. Steer clear of them! – A professional teeth cleaning (PZR) (see below) is cheaper in the long run.
A study by the University of Zurich holds herstellerempfohlene applied to the “whitening agents” Cleanic dent ®, Rembrandt ® original, and Settima ® defensible, but warns of continuous use!
About some success in the removal home is the sound of toothbrushes (as reported).
Remove air abrasion equipment – Air-Flow “or with a similar name – used in a dental practice, the pads in hidden corners of reliable and gentle, but are usually by the statutory health insurance does not pay (for details in the dictionary part)
An even better long-term results will be achieved through a professional dental cleaning (see below), since this is still taking place, an additional polishing of the tooth surface – and on smooth surfaces, coatings adhere very much harder.