The Happy Tooth is a registered
trademark of Toothfriendly International. It stands for guaranteed
toothfriendly The tooth-friendly label distinguishes products which are non-cariogenic and non-erosive, i.e. safe for teeth. To replace sugar, toothfriendly products often contain sweeteners (polyols, intense sweeteners) that are not fermented by the microflora o ...
quality.
The Happy Tooth mark distinguishes products that are not harmful for teeth. In order for products to carry the logo they have to be scientifically tested and proven not to be cariogenic or erosive. The test is based on the measurement of the pH of dental plaque and saliva and is carried out by three appointed independent university institutes.
The compliance of a product is tested by means of intra-oral pH telemetry. Applying a standardized method, the
plaque pH is measured at least in four volunteers during and for 30 minutes after consumption of the product with an indwelling, interproximally placed, plaque-covered electrode. Products which do not lower plaque
pH below 5.7 under the conditions of this test, lack a cariogenic potential. The erosive potential is measured with a plaque free electrode. The
acid
In computer science, ACID ( atomicity, consistency, isolation, durability) is a set of properties of database transactions intended to guarantee data validity despite errors, power failures, and other mishaps. In the context of databases, a sequ ...
exposure of the teeth must not exceed 40 mmol H min. Schachtele Ch.F. et al. (1986). Human plaque acidity models – Working Group Consensus Report. J. Dent. Res., 65 (Spec. Iss.): 1530–1531.
[Stösser L., Tietze W., Künzel W. and Limberger K. (1990). Intra-orale pH-Messung zur Bestimmung des azidogenen Potentials von Nahrungsmitteln. Oralprophylaxe, 12: 145-153.]
Toothfriendly International
Toothfriendly International is a non-profit association which was established in 1989 in Basel, Switzerland. The purpose of the association is to advance oral health, particularly through preventive measures which include regular oral hygiene (to ...
grants the rights to use the trademark.
References
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Dental erosion in the 21st century: what is happening to nutritional habits and lifestyle in our society?
External links
Toothfriendly International
Certification marks
Dentistry